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SCHEDULE III REAL ESTATE AND RELATED DEPRECIATION (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2014 sqft | Dec. 31, 2013 | Dec. 31, 2012
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 28,621,742us-gaap_AreaOfRealEstateProperty |  |
Initial cost |  |  |
Land | $ 524,475us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand |  |
Building and Improvements | 2,303,584us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements |  |
Costs Subsequent to Acquisition | 221,302cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition |  |
Gross Carrying Amount at year end |  |  |
Land | 545,393us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand |  |
Building and Improvements | 2,304,653us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements |  |
Total | 2,850,046cube_RealEstateAndAccumulatedDepreciationCarryingAmount |  |
Total | 3,117,198us-gaap_RealEstateGrossAtCarryingValue | 2,553,706us-gaap_RealEstateGrossAtCarryingValue | 2,443,022us-gaap_RealEstateGrossAtCarryingValue
Accumulated Depreciation | 398,496cube_RealEstateAndAccumulatedDepreciation |  |
Minimum |  |  |
Gross Carrying Amount at year end |  |  |
Estimated useful lives | 5 years |  |
Maximum |  |  |
Gross Carrying Amount at year end |  |  |
Estimated useful lives | 39 years |  |
YSI 20 |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Encumbrances | 54,091us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / cube_MortgageLoansOnRealEstateByPortfolioAxis = cube_YSI20LoanMember |  |
YSI 33 |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Encumbrances | 10,429us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / cube_MortgageLoansOnRealEstateByPortfolioAxis = cube_YSI33LoanMember |  |
Chandler I, AZ |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 47,520us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ChandlerIAZMember |  |
Initial cost |  |  |
Land | 327us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ChandlerIAZMember |  |
Building and Improvements | 1,257us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ChandlerIAZMember |  |
Costs Subsequent to Acquisition | 271cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ChandlerIAZMember |  |
Gross Carrying Amount at year end |  |  |
Land | 327us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ChandlerIAZMember |  |
Building and Improvements | 1,353us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ChandlerIAZMember |  |
Total | 1,680cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ChandlerIAZMember |  |
Accumulated Depreciation | 421cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ChandlerIAZMember |  |
Chandler II, AZ |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 83,819us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ChandlerIIAZMember |  |
Initial cost |  |  |
Land | 1,518us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ChandlerIIAZMember |  |
Building and Improvements | 7,485us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ChandlerIIAZMember |  |
Costs Subsequent to Acquisition | 12cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ChandlerIIAZMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,518us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ChandlerIIAZMember |  |
Building and Improvements | 7,496us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ChandlerIIAZMember |  |
Total | 9,014cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ChandlerIIAZMember |  |
Accumulated Depreciation | 474cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ChandlerIIAZMember |  |
Gilbert, AZ |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 57,380us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GilbertAZMember |  |
Initial cost |  |  |
Land | 951us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GilbertAZMember |  |
Building and Improvements | 4,688us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GilbertAZMember |  |
Costs Subsequent to Acquisition | 11cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GilbertAZMember |  |
Gross Carrying Amount at year end |  |  |
Land | 951us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GilbertAZMember |  |
Building and Improvements | 4,699us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GilbertAZMember |  |
Total | 5,650cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GilbertAZMember |  |
Accumulated Depreciation | 1,305cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GilbertAZMember |  |
Glendale, AZ |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 56,807us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GlendaleAZMember |  |
Initial cost |  |  |
Land | 201us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GlendaleAZMember |  |
Building and Improvements | 2,265us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GlendaleAZMember |  |
Costs Subsequent to Acquisition | 1,010cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GlendaleAZMember |  |
Gross Carrying Amount at year end |  |  |
Land | 418us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GlendaleAZMember |  |
Building and Improvements | 2,725us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GlendaleAZMember |  |
Total | 3,143cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GlendaleAZMember |  |
Accumulated Depreciation | 1,249cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GlendaleAZMember |  |
Green Valley, AZ |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 25,050us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GreenValleyAZMember |  |
Initial cost |  |  |
Land | 298us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GreenValleyAZMember |  |
Building and Improvements | 1,153us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GreenValleyAZMember |  |
Costs Subsequent to Acquisition | 132cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GreenValleyAZMember |  |
Gross Carrying Amount at year end |  |  |
Land | 298us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GreenValleyAZMember |  |
Building and Improvements | 1,075us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GreenValleyAZMember |  |
Total | 1,373cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GreenValleyAZMember |  |
Accumulated Depreciation | 297cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GreenValleyAZMember |  |
Mesa I, AZ |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 52,575us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MesaIAZMember |  |
Initial cost |  |  |
Land | 920us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MesaIAZMember |  |
Building and Improvements | 2,739us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MesaIAZMember |  |
Costs Subsequent to Acquisition | 176cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MesaIAZMember |  |
Gross Carrying Amount at year end |  |  |
Land | 921us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MesaIAZMember |  |
Building and Improvements | 2,469us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MesaIAZMember |  |
Total | 3,390cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MesaIAZMember |  |
Accumulated Depreciation | 690cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MesaIAZMember |  |
Mesa II, AZ |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 45,511us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MesaIIAZMember |  |
Initial cost |  |  |
Land | 731us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MesaIIAZMember |  |
Building and Improvements | 2,176us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MesaIIAZMember |  |
Costs Subsequent to Acquisition | 189cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MesaIIAZMember |  |
Gross Carrying Amount at year end |  |  |
Land | 731us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MesaIIAZMember |  |
Building and Improvements | 2,048us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MesaIIAZMember |  |
Total | 2,779cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MesaIIAZMember |  |
Accumulated Depreciation | 566cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MesaIIAZMember |  |
Mesa III, AZ |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 58,264us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MesaIIIAZMember |  |
Initial cost |  |  |
Land | 706us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MesaIIIAZMember |  |
Building and Improvements | 2,101us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MesaIIIAZMember |  |
Costs Subsequent to Acquisition | 182cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MesaIIIAZMember |  |
Gross Carrying Amount at year end |  |  |
Land | 706us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MesaIIIAZMember |  |
Building and Improvements | 1,899us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MesaIIIAZMember |  |
Total | 2,605cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MesaIIIAZMember |  |
Accumulated Depreciation | 538cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MesaIIIAZMember |  |
Phoenix I, AZ |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 100,775us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PhoenixIAZMember |  |
Initial cost |  |  |
Land | 1,134us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PhoenixIAZMember |  |
Building and Improvements | 3,376us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PhoenixIAZMember |  |
Costs Subsequent to Acquisition | 348cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PhoenixIAZMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,135us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PhoenixIAZMember |  |
Building and Improvements | 3,075us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PhoenixIAZMember |  |
Total | 4,210cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PhoenixIAZMember |  |
Accumulated Depreciation | 870cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PhoenixIAZMember |  |
Phoenix II, AZ |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 83,160us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PhoenixIIAZMember |  |
Initial cost |  |  |
Land | 756us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PhoenixIIAZMember |  |
Building and Improvements | 2,251us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PhoenixIIAZMember |  |
Costs Subsequent to Acquisition | 1,554cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PhoenixIIAZMember |  |
Gross Carrying Amount at year end |  |  |
Land | 847us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PhoenixIIAZMember |  |
Building and Improvements | 3,109us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PhoenixIIAZMember |  |
Total | 3,956cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PhoenixIIAZMember |  |
Accumulated Depreciation | 712cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PhoenixIIAZMember |  |
Phoenix III, AZ |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 121,761us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PhoenixIIIAzMember |  |
Initial cost |  |  |
Land | 2,115us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PhoenixIIIAzMember |  |
Building and Improvements | 10,429us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PhoenixIIIAzMember |  |
Costs Subsequent to Acquisition | 24cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PhoenixIIIAzMember |  |
Gross Carrying Amount at year end |  |  |
Land | 2,115us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PhoenixIIIAzMember |  |
Building and Improvements | 10,453us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PhoenixIIIAzMember |  |
Total | 12,568cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PhoenixIIIAzMember |  |
Accumulated Depreciation | 83cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PhoenixIIIAzMember |  |
Scottsdale, AZ |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 79,525us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ScottsdaleAZMember |  |
Initial cost |  |  |
Land | 443us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ScottsdaleAZMember |  |
Building and Improvements | 4,879us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ScottsdaleAZMember |  |
Costs Subsequent to Acquisition | 1,698cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ScottsdaleAZMember |  |
Gross Carrying Amount at year end |  |  |
Land | 883us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ScottsdaleAZMember |  |
Building and Improvements | 5,475us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ScottsdaleAZMember |  |
Total | 6,358cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ScottsdaleAZMember |  |
Accumulated Depreciation | 2,499cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ScottsdaleAZMember |  |
Tempe I, AZ |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 53,890us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TempeIAZMember |  |
Initial cost |  |  |
Land | 749us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TempeIAZMember |  |
Building and Improvements | 2,159us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TempeIAZMember |  |
Costs Subsequent to Acquisition | 236cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TempeIAZMember |  |
Gross Carrying Amount at year end |  |  |
Land | 749us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TempeIAZMember |  |
Building and Improvements | 2,086us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TempeIAZMember |  |
Total | 2,835cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TempeIAZMember |  |
Accumulated Depreciation | 552cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TempeIAZMember |  |
Tempe II, AZ |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 35,125us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TempeIIAZMember |  |
Initial cost |  |  |
Land | 588us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TempeIIAZMember |  |
Building and Improvements | 2,898us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TempeIIAZMember |  |
Costs Subsequent to Acquisition | 31cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TempeIIAZMember |  |
Gross Carrying Amount at year end |  |  |
Land | 588us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TempeIIAZMember |  |
Building and Improvements | 2,929us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TempeIIAZMember |  |
Total | 3,517cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TempeIIAZMember |  |
Accumulated Depreciation | 518cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TempeIIAZMember |  |
Tucson I, AZ |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 59,800us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonIAZMember |  |
Initial cost |  |  |
Land | 188us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonIAZMember |  |
Building and Improvements | 2,078us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonIAZMember |  |
Costs Subsequent to Acquisition | 966cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonIAZMember |  |
Gross Carrying Amount at year end |  |  |
Land | 384us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonIAZMember |  |
Building and Improvements | 2,590us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonIAZMember |  |
Total | 2,974cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonIAZMember |  |
Accumulated Depreciation | 1,169cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonIAZMember |  |
Tucson II, AZ |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 43,950us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonIIAZMember |  |
Initial cost |  |  |
Land | 188us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonIIAZMember |  |
Building and Improvements | 2,078us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonIIAZMember |  |
Costs Subsequent to Acquisition | 1,032cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonIIAZMember |  |
Gross Carrying Amount at year end |  |  |
Land | 391us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonIIAZMember |  |
Building and Improvements | 2,635us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonIIAZMember |  |
Total | 3,026cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonIIAZMember |  |
Accumulated Depreciation | 1,122cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonIIAZMember |  |
Tucson III, AZ |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 49,832us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonIIIAZMember |  |
Initial cost |  |  |
Land | 532us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonIIIAZMember |  |
Building and Improvements | 2,048us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonIIIAZMember |  |
Costs Subsequent to Acquisition | 243cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonIIIAZMember |  |
Gross Carrying Amount at year end |  |  |
Land | 533us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonIIIAZMember |  |
Building and Improvements | 1,930us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonIIIAZMember |  |
Total | 2,463cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonIIIAZMember |  |
Accumulated Depreciation | 520cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonIIIAZMember |  |
Tucson IV, AZ |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 48,040us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonIVAZMember |  |
Initial cost |  |  |
Land | 674us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonIVAZMember |  |
Building and Improvements | 2,595us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonIVAZMember |  |
Costs Subsequent to Acquisition | 262cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonIVAZMember |  |
Gross Carrying Amount at year end |  |  |
Land | 675us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonIVAZMember |  |
Building and Improvements | 2,436us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonIVAZMember |  |
Total | 3,111cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonIVAZMember |  |
Accumulated Depreciation | 662cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonIVAZMember |  |
Tucson V, AZ |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 45,134us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonVAZMember |  |
Initial cost |  |  |
Land | 515us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonVAZMember |  |
Building and Improvements | 1,980us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonVAZMember |  |
Costs Subsequent to Acquisition | 333cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonVAZMember |  |
Gross Carrying Amount at year end |  |  |
Land | 515us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonVAZMember |  |
Building and Improvements | 1,957us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonVAZMember |  |
Total | 2,472cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonVAZMember |  |
Accumulated Depreciation | 520cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonVAZMember |  |
Tucson VI, AZ |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 40,814us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonVIAZMember |  |
Initial cost |  |  |
Land | 440us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonVIAZMember |  |
Building and Improvements | 1,692us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonVIAZMember |  |
Costs Subsequent to Acquisition | 201cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonVIAZMember |  |
Gross Carrying Amount at year end |  |  |
Land | 430us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonVIAZMember |  |
Building and Improvements | 1,595us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonVIAZMember |  |
Total | 2,025cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonVIAZMember |  |
Accumulated Depreciation | 439cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonVIAZMember |  |
Tucson VII, AZ |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 52,688us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonVIIAZMember |  |
Initial cost |  |  |
Land | 670us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonVIIAZMember |  |
Building and Improvements | 2,576us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonVIIAZMember |  |
Costs Subsequent to Acquisition | 275cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonVIIAZMember |  |
Gross Carrying Amount at year end |  |  |
Land | 670us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonVIIAZMember |  |
Building and Improvements | 2,440us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonVIIAZMember |  |
Total | 3,110cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonVIIAZMember |  |
Accumulated Depreciation | 673cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonVIIAZMember |  |
Tucson VIII, AZ |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 46,650us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonVIIIAZMember |  |
Initial cost |  |  |
Land | 589us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonVIIIAZMember |  |
Building and Improvements | 2,265us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonVIIIAZMember |  |
Costs Subsequent to Acquisition | 268cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonVIIIAZMember |  |
Gross Carrying Amount at year end |  |  |
Land | 589us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonVIIIAZMember |  |
Building and Improvements | 2,182us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonVIIIAZMember |  |
Total | 2,771cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonVIIIAZMember |  |
Accumulated Depreciation | 578cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonVIIIAZMember |  |
Tucson IX, AZ |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 67,545us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonIXAZMember |  |
Initial cost |  |  |
Land | 724us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonIXAZMember |  |
Building and Improvements | 2,786us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonIXAZMember |  |
Costs Subsequent to Acquisition | 349cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonIXAZMember |  |
Gross Carrying Amount at year end |  |  |
Land | 725us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonIXAZMember |  |
Building and Improvements | 2,619us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonIXAZMember |  |
Total | 3,344cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonIXAZMember |  |
Accumulated Depreciation | 730cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonIXAZMember |  |
Tucson X, AZ |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 46,350us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonXAZMember |  |
Initial cost |  |  |
Land | 424us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonXAZMember |  |
Building and Improvements | 1,633us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonXAZMember |  |
Costs Subsequent to Acquisition | 203cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonXAZMember |  |
Gross Carrying Amount at year end |  |  |
Land | 425us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonXAZMember |  |
Building and Improvements | 1,526us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonXAZMember |  |
Total | 1,951cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonXAZMember |  |
Accumulated Depreciation | 424cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonXAZMember |  |
Tucson XI, AZ |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 42,940us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonXIAZMember |  |
Initial cost |  |  |
Land | 439us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonXIAZMember |  |
Building and Improvements | 1,689us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonXIAZMember |  |
Costs Subsequent to Acquisition | 391cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonXIAZMember |  |
Gross Carrying Amount at year end |  |  |
Land | 439us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonXIAZMember |  |
Building and Improvements | 1,791us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonXIAZMember |  |
Total | 2,230cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonXIAZMember |  |
Accumulated Depreciation | 507cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonXIAZMember |  |
Tucson XII, AZ |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 42,225us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonXIIAZMember |  |
Initial cost |  |  |
Land | 671us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonXIIAZMember |  |
Building and Improvements | 2,582us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonXIIAZMember |  |
Costs Subsequent to Acquisition | 285cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonXIIAZMember |  |
Gross Carrying Amount at year end |  |  |
Land | 672us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonXIIAZMember |  |
Building and Improvements | 2,454us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonXIIAZMember |  |
Total | 3,126cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonXIIAZMember |  |
Accumulated Depreciation | 653cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonXIIAZMember |  |
Tucson XIII, AZ |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 45,800us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonXIIIAZMember |  |
Initial cost |  |  |
Land | 587us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonXIIIAZMember |  |
Building and Improvements | 2,258us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonXIIIAZMember |  |
Costs Subsequent to Acquisition | 271cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonXIIIAZMember |  |
Gross Carrying Amount at year end |  |  |
Land | 587us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonXIIIAZMember |  |
Building and Improvements | 2,167us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonXIIIAZMember |  |
Total | 2,754cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonXIIIAZMember |  |
Accumulated Depreciation | 584cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonXIIIAZMember |  |
Tucson XIV, AZ |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 49,095us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonXIVAZMember |  |
Initial cost |  |  |
Land | 707us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonXIVAZMember |  |
Building and Improvements | 2,721us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonXIVAZMember |  |
Costs Subsequent to Acquisition | 455cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonXIVAZMember |  |
Gross Carrying Amount at year end |  |  |
Land | 708us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonXIVAZMember |  |
Building and Improvements | 2,642us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonXIVAZMember |  |
Total | 3,350cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonXIVAZMember |  |
Accumulated Depreciation | 707cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TucsonXIVAZMember |  |
Benicia, CA |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 74,770us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BeniciaCAMember |  |
Initial cost |  |  |
Land | 2,392us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BeniciaCAMember |  |
Building and Improvements | 7,028us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BeniciaCAMember |  |
Costs Subsequent to Acquisition | 191cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BeniciaCAMember |  |
Gross Carrying Amount at year end |  |  |
Land | 2,392us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BeniciaCAMember |  |
Building and Improvements | 6,146us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BeniciaCAMember |  |
Total | 8,538cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BeniciaCAMember |  |
Accumulated Depreciation | 1,642cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BeniciaCAMember |  |
Citrus Heights, CA |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 75,620us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CitrusHeightsCAMember |  |
Initial cost |  |  |
Land | 1,633us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CitrusHeightsCAMember |  |
Building and Improvements | 4,793us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CitrusHeightsCAMember |  |
Costs Subsequent to Acquisition | 213cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CitrusHeightsCAMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,634us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CitrusHeightsCAMember |  |
Building and Improvements | 4,254us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CitrusHeightsCAMember |  |
Total | 5,888cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CitrusHeightsCAMember |  |
Accumulated Depreciation | 1,198cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CitrusHeightsCAMember |  |
Corona, CA |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 95,125us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CoronaCaMember |  |
Initial cost |  |  |
Land | 2,107us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CoronaCaMember |  |
Building and Improvements | 10,385us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CoronaCaMember |  |
Costs Subsequent to Acquisition | 1cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CoronaCaMember |  |
Gross Carrying Amount at year end |  |  |
Land | 2,107us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CoronaCaMember |  |
Building and Improvements | 10,385us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CoronaCaMember |  |
Total | 12,492cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CoronaCaMember |  |
Accumulated Depreciation | 55cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CoronaCaMember |  |
Diamond Bar, CA |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 102,984us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DiamondBarCAMember |  |
Initial cost |  |  |
Land | 2,522us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DiamondBarCAMember |  |
Building and Improvements | 7,404us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DiamondBarCAMember |  |
Costs Subsequent to Acquisition | 179cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DiamondBarCAMember |  |
Gross Carrying Amount at year end |  |  |
Land | 2,524us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DiamondBarCAMember |  |
Building and Improvements | 6,491us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DiamondBarCAMember |  |
Total | 9,015cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DiamondBarCAMember |  |
Accumulated Depreciation | 1,820cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DiamondBarCAMember |  |
Escondido, CA |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 142,895us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_EscondidoCAMember |  |
Initial cost |  |  |
Land | 3,040us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_EscondidoCAMember |  |
Building and Improvements | 11,804us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_EscondidoCAMember |  |
Costs Subsequent to Acquisition | 161cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_EscondidoCAMember |  |
Gross Carrying Amount at year end |  |  |
Land | 3,040us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_EscondidoCAMember |  |
Building and Improvements | 9,611us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_EscondidoCAMember |  |
Total | 12,651cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_EscondidoCAMember |  |
Accumulated Depreciation | 1,991cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_EscondidoCAMember |  |
Fallbrook, CA |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 46,401us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FallbrookCAMember |  |
Initial cost |  |  |
Land | 133us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FallbrookCAMember |  |
Building and Improvements | 1,492us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FallbrookCAMember |  |
Costs Subsequent to Acquisition | 1,736cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FallbrookCAMember |  |
Gross Carrying Amount at year end |  |  |
Land | 432us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FallbrookCAMember |  |
Building and Improvements | 2,722us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FallbrookCAMember |  |
Total | 3,154cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FallbrookCAMember |  |
Accumulated Depreciation | 1,084cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FallbrookCAMember |  |
Fremont, CA |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 51,243us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FremontCaMember |  |
Initial cost |  |  |
Land | 1,158us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FremontCaMember |  |
Building and Improvements | 5,711us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FremontCaMember |  |
Costs Subsequent to Acquisition | 38cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FremontCaMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,158us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FremontCaMember |  |
Building and Improvements | 5,750us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FremontCaMember |  |
Total | 6,908cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FremontCaMember |  |
Accumulated Depreciation | 45cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FremontCaMember |  |
Lancaster, CA |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 60,675us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LancasterCAMember |  |
Initial cost |  |  |
Land | 390us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LancasterCAMember |  |
Building and Improvements | 2,247us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LancasterCAMember |  |
Costs Subsequent to Acquisition | 956cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LancasterCAMember |  |
Gross Carrying Amount at year end |  |  |
Land | 556us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LancasterCAMember |  |
Building and Improvements | 2,703us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LancasterCAMember |  |
Total | 3,259cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LancasterCAMember |  |
Accumulated Depreciation | 950cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LancasterCAMember |  |
Long Beach, CA |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 124,571us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LongBeachCAMember |  |
Initial cost |  |  |
Land | 3,138us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LongBeachCAMember |  |
Building and Improvements | 14,368us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LongBeachCAMember |  |
Costs Subsequent to Acquisition | 493cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LongBeachCAMember |  |
Gross Carrying Amount at year end |  |  |
Land | 3,138us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LongBeachCAMember |  |
Building and Improvements | 12,950us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LongBeachCAMember |  |
Total | 16,088cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LongBeachCAMember |  |
Accumulated Depreciation | 3,352cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LongBeachCAMember |  |
Murrieta, CA |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 49,795us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MurrietaCAMember |  |
Initial cost |  |  |
Land | 1,883us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MurrietaCAMember |  |
Building and Improvements | 5,532us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MurrietaCAMember |  |
Costs Subsequent to Acquisition | 167cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MurrietaCAMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,903us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MurrietaCAMember |  |
Building and Improvements | 4,835us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MurrietaCAMember |  |
Total | 6,738cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MurrietaCAMember |  |
Accumulated Depreciation | 1,295cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MurrietaCAMember |  |
North Highlands, CA |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 57,169us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorthHighlandsCAMember |  |
Initial cost |  |  |
Land | 868us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorthHighlandsCAMember |  |
Building and Improvements | 2,546us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorthHighlandsCAMember |  |
Costs Subsequent to Acquisition | 390cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorthHighlandsCAMember |  |
Gross Carrying Amount at year end |  |  |
Land | 868us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorthHighlandsCAMember |  |
Building and Improvements | 2,480us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorthHighlandsCAMember |  |
Total | 3,348cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorthHighlandsCAMember |  |
Accumulated Depreciation | 690cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorthHighlandsCAMember |  |
Ontario, CA |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 93,590us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OntarioCaMember |  |
Initial cost |  |  |
Land | 1,705us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OntarioCaMember |  |
Building and Improvements | 8,401us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OntarioCaMember |  |
Costs Subsequent to Acquisition | 17cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OntarioCaMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,705us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OntarioCaMember |  |
Building and Improvements | 8,418us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OntarioCaMember |  |
Total | 10,123cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OntarioCaMember |  |
Accumulated Depreciation | 44cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OntarioCaMember |  |
Orangevale, CA |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 50,542us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OrangevaleCAMember |  |
Initial cost |  |  |
Land | 1,423us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OrangevaleCAMember |  |
Building and Improvements | 4,175us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OrangevaleCAMember |  |
Costs Subsequent to Acquisition | 267cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OrangevaleCAMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,423us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OrangevaleCAMember |  |
Building and Improvements | 3,770us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OrangevaleCAMember |  |
Total | 5,193cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OrangevaleCAMember |  |
Accumulated Depreciation | 1,066cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OrangevaleCAMember |  |
Pleasanton, CA |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 85,045us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PleasantonCAMember |  |
Initial cost |  |  |
Land | 2,799us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PleasantonCAMember |  |
Building and Improvements | 8,222us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PleasantonCAMember |  |
Costs Subsequent to Acquisition | 54cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PleasantonCAMember |  |
Gross Carrying Amount at year end |  |  |
Land | 2,799us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PleasantonCAMember |  |
Building and Improvements | 7,034us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PleasantonCAMember |  |
Total | 9,833cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PleasantonCAMember |  |
Accumulated Depreciation | 1,896cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PleasantonCAMember |  |
Rancho Cordova, CA |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 53,978us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RanchoCordovaCAMember |  |
Initial cost |  |  |
Land | 1,094us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RanchoCordovaCAMember |  |
Building and Improvements | 3,212us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RanchoCordovaCAMember |  |
Costs Subsequent to Acquisition | 250cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RanchoCordovaCAMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,095us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RanchoCordovaCAMember |  |
Building and Improvements | 2,930us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RanchoCordovaCAMember |  |
Total | 4,025cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RanchoCordovaCAMember |  |
Accumulated Depreciation | 845cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RanchoCordovaCAMember |  |
Rialto I, CA |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 57,391us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RialtoICAMember |  |
Initial cost |  |  |
Land | 899us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RialtoICAMember |  |
Building and Improvements | 4,118us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RialtoICAMember |  |
Costs Subsequent to Acquisition | 177cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RialtoICAMember |  |
Gross Carrying Amount at year end |  |  |
Land | 899us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RialtoICAMember |  |
Building and Improvements | 3,725us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RialtoICAMember |  |
Total | 4,624cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RialtoICAMember |  |
Accumulated Depreciation | 972cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RialtoICAMember |  |
Rialto II, CA |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 99,783us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RialtoIICAMember |  |
Initial cost |  |  |
Land | 277us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RialtoIICAMember |  |
Building and Improvements | 3,098us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RialtoIICAMember |  |
Costs Subsequent to Acquisition | 1,715cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RialtoIICAMember |  |
Gross Carrying Amount at year end |  |  |
Land | 672us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RialtoIICAMember |  |
Building and Improvements | 4,034us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RialtoIICAMember |  |
Total | 4,706cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RialtoIICAMember |  |
Accumulated Depreciation | 1,815cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RialtoIICAMember |  |
Riverside I, CA |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 67,120us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RiversideICAMember |  |
Initial cost |  |  |
Land | 1,351us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RiversideICAMember |  |
Building and Improvements | 6,183us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RiversideICAMember |  |
Costs Subsequent to Acquisition | 417cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RiversideICAMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,351us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RiversideICAMember |  |
Building and Improvements | 5,768us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RiversideICAMember |  |
Total | 7,119cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RiversideICAMember |  |
Accumulated Depreciation | 1,473cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RiversideICAMember |  |
Riverside II, CA |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 85,076us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RiversideIICAMember |  |
Initial cost |  |  |
Land | 1,170us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RiversideIICAMember |  |
Building and Improvements | 5,359us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RiversideIICAMember |  |
Costs Subsequent to Acquisition | 355cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RiversideIICAMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,170us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RiversideIICAMember |  |
Building and Improvements | 4,980us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RiversideIICAMember |  |
Total | 6,150cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RiversideIICAMember |  |
Accumulated Depreciation | 1,289cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RiversideIICAMember |  |
Roseville, CA |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 59,944us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RosevilleCAMember |  |
Initial cost |  |  |
Land | 1,284us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RosevilleCAMember |  |
Building and Improvements | 3,767us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RosevilleCAMember |  |
Costs Subsequent to Acquisition | 319cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RosevilleCAMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,284us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RosevilleCAMember |  |
Building and Improvements | 3,491us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RosevilleCAMember |  |
Total | 4,775cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RosevilleCAMember |  |
Accumulated Depreciation | 1,002cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RosevilleCAMember |  |
Sacramento I, CA |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 50,714us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SacramentoICAMember |  |
Initial cost |  |  |
Land | 1,152us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SacramentoICAMember |  |
Building and Improvements | 3,380us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SacramentoICAMember |  |
Costs Subsequent to Acquisition | 237cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SacramentoICAMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,152us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SacramentoICAMember |  |
Building and Improvements | 3,058us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SacramentoICAMember |  |
Total | 4,210cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SacramentoICAMember |  |
Accumulated Depreciation | 875cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SacramentoICAMember |  |
Sacramento II, CA |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 62,088us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SacramentoIICAMember |  |
Initial cost |  |  |
Land | 1,406us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SacramentoIICAMember |  |
Building and Improvements | 4,128us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SacramentoIICAMember |  |
Costs Subsequent to Acquisition | 233cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SacramentoIICAMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,407us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SacramentoIICAMember |  |
Building and Improvements | 3,696us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SacramentoIICAMember |  |
Total | 5,103cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SacramentoIICAMember |  |
Accumulated Depreciation | 1,039cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SacramentoIICAMember |  |
San Bernardino I, CA |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 31,070us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanBernardinoICAMember |  |
Initial cost |  |  |
Land | 51us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanBernardinoICAMember |  |
Building and Improvements | 572us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanBernardinoICAMember |  |
Costs Subsequent to Acquisition | 1,166cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanBernardinoICAMember |  |
Gross Carrying Amount at year end |  |  |
Land | 182us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanBernardinoICAMember |  |
Building and Improvements | 1,422us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanBernardinoICAMember |  |
Total | 1,604cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanBernardinoICAMember |  |
Accumulated Depreciation | 537cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanBernardinoICAMember |  |
San Bernardino II, CA |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 41,546us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanBernardinoIICAMember |  |
Initial cost |  |  |
Land | 112us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanBernardinoIICAMember |  |
Building and Improvements | 1,251us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanBernardinoIICAMember |  |
Costs Subsequent to Acquisition | 1,228cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanBernardinoIICAMember |  |
Gross Carrying Amount at year end |  |  |
Land | 306us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanBernardinoIICAMember |  |
Building and Improvements | 1,949us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanBernardinoIICAMember |  |
Total | 2,255cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanBernardinoIICAMember |  |
Accumulated Depreciation | 817cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanBernardinoIICAMember |  |
San Bernardino III, CA |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 35,416us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanBernardinoIIICAMember |  |
Initial cost |  |  |
Land | 98us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanBernardinoIIICAMember |  |
Building and Improvements | 1,093us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanBernardinoIIICAMember |  |
Costs Subsequent to Acquisition | 1,194cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanBernardinoIIICAMember |  |
Gross Carrying Amount at year end |  |  |
Land | 242us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanBernardinoIIICAMember |  |
Building and Improvements | 1,806us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanBernardinoIIICAMember |  |
Total | 2,048cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanBernardinoIIICAMember |  |
Accumulated Depreciation | 706cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanBernardinoIIICAMember |  |
San Bernardino IV, CA |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 83,307us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanBernardinoIVCAMember |  |
Initial cost |  |  |
Land | 1,872us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanBernardinoIVCAMember |  |
Building and Improvements | 5,391us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanBernardinoIVCAMember |  |
Costs Subsequent to Acquisition | 154cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanBernardinoIVCAMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,872us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanBernardinoIVCAMember |  |
Building and Improvements | 4,828us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanBernardinoIVCAMember |  |
Total | 6,700cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanBernardinoIVCAMember |  |
Accumulated Depreciation | 1,316cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanBernardinoIVCAMember |  |
San Bernardino V, CA |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 57,595us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanBernardinoVCAMember |  |
Initial cost |  |  |
Land | 783us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanBernardinoVCAMember |  |
Building and Improvements | 3,583us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanBernardinoVCAMember |  |
Costs Subsequent to Acquisition | 478cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanBernardinoVCAMember |  |
Gross Carrying Amount at year end |  |  |
Land | 783us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanBernardinoVCAMember |  |
Building and Improvements | 3,534us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanBernardinoVCAMember |  |
Total | 4,317cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanBernardinoVCAMember |  |
Accumulated Depreciation | 923cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanBernardinoVCAMember |  |
San Bernardino VII, CA |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 78,753us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanBernardinoVIICAMember |  |
Initial cost |  |  |
Land | 1,475us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanBernardinoVIICAMember |  |
Building and Improvements | 6,753us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanBernardinoVIICAMember |  |
Costs Subsequent to Acquisition | 274cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanBernardinoVIICAMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,290us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanBernardinoVIICAMember |  |
Building and Improvements | 6,281us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanBernardinoVIICAMember |  |
Total | 7,571cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanBernardinoVIICAMember |  |
Accumulated Depreciation | 1,643cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanBernardinoVIICAMember |  |
San Bernardino VIII, CA |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 99,004us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanBernardinoVIIICAMember |  |
Initial cost |  |  |
Land | 1,691us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanBernardinoVIIICAMember |  |
Building and Improvements | 7,741us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanBernardinoVIIICAMember |  |
Costs Subsequent to Acquisition | 439cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanBernardinoVIIICAMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,692us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanBernardinoVIIICAMember |  |
Building and Improvements | 6,237us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanBernardinoVIIICAMember |  |
Total | 7,929cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanBernardinoVIIICAMember |  |
Accumulated Depreciation | 2,519cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanBernardinoVIIICAMember |  |
San Marcos, CA |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 37,430us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanMarcosCAMember |  |
Initial cost |  |  |
Land | 775us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanMarcosCAMember |  |
Building and Improvements | 2,288us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanMarcosCAMember |  |
Costs Subsequent to Acquisition | 119cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanMarcosCAMember |  |
Gross Carrying Amount at year end |  |  |
Land | 776us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanMarcosCAMember |  |
Building and Improvements | 2,043us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanMarcosCAMember |  |
Total | 2,819cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanMarcosCAMember |  |
Accumulated Depreciation | 571cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanMarcosCAMember |  |
Santa Ana, CA |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 64,071us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SantaAnaCAMember |  |
Initial cost |  |  |
Land | 1,223us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SantaAnaCAMember |  |
Building and Improvements | 5,600us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SantaAnaCAMember |  |
Costs Subsequent to Acquisition | 280cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SantaAnaCAMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,223us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SantaAnaCAMember |  |
Building and Improvements | 5,107us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SantaAnaCAMember |  |
Total | 6,330cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SantaAnaCAMember |  |
Accumulated Depreciation | 1,331cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SantaAnaCAMember |  |
South Sacramento, CA |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 52,490us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SouthSacramentoCAMember |  |
Initial cost |  |  |
Land | 790us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SouthSacramentoCAMember |  |
Building and Improvements | 2,319us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SouthSacramentoCAMember |  |
Costs Subsequent to Acquisition | 236cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SouthSacramentoCAMember |  |
Gross Carrying Amount at year end |  |  |
Land | 791us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SouthSacramentoCAMember |  |
Building and Improvements | 2,143us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SouthSacramentoCAMember |  |
Total | 2,934cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SouthSacramentoCAMember |  |
Accumulated Depreciation | 622cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SouthSacramentoCAMember |  |
Spring Valley, CA |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 55,045us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SpringValleyCAMember |  |
Initial cost |  |  |
Land | 1,178us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SpringValleyCAMember |  |
Building and Improvements | 5,394us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SpringValleyCAMember |  |
Costs Subsequent to Acquisition | 561cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SpringValleyCAMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,178us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SpringValleyCAMember |  |
Building and Improvements | 5,210us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SpringValleyCAMember |  |
Total | 6,388cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SpringValleyCAMember |  |
Accumulated Depreciation | 1,368cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SpringValleyCAMember |  |
Temecula I, CA |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 81,320us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TemeculaICAMember |  |
Initial cost |  |  |
Land | 660us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TemeculaICAMember |  |
Building and Improvements | 4,735us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TemeculaICAMember |  |
Costs Subsequent to Acquisition | 1,231cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TemeculaICAMember |  |
Gross Carrying Amount at year end |  |  |
Land | 899us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TemeculaICAMember |  |
Building and Improvements | 5,409us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TemeculaICAMember |  |
Total | 6,308cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TemeculaICAMember |  |
Accumulated Depreciation | 1,257cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TemeculaICAMember |  |
Temecula II, CA |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 84,318us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TemeculaIICAMember |  |
Initial cost |  |  |
Land | 3,080us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TemeculaIICAMember |  |
Building and Improvements | 5,839us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TemeculaIICAMember |  |
Costs Subsequent to Acquisition | 198cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TemeculaIICAMember |  |
Gross Carrying Amount at year end |  |  |
Land | 3,080us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TemeculaIICAMember |  |
Building and Improvements | 5,108us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TemeculaIICAMember |  |
Total | 8,188cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TemeculaIICAMember |  |
Accumulated Depreciation | 1,060cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TemeculaIICAMember |  |
Vista I, CA |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 74,481us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_VistaICAMember |  |
Initial cost |  |  |
Land | 711us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_VistaICAMember |  |
Building and Improvements | 4,076us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_VistaICAMember |  |
Costs Subsequent to Acquisition | 2,293cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_VistaICAMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,118us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_VistaICAMember |  |
Building and Improvements | 5,442us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_VistaICAMember |  |
Total | 6,560cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_VistaICAMember |  |
Accumulated Depreciation | 1,800cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_VistaICAMember |  |
Vista II, CA |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 147,871us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_VistaIICAMember |  |
Initial cost |  |  |
Land | 4,629us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_VistaIICAMember |  |
Building and Improvements | 13,599us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_VistaIICAMember |  |
Costs Subsequent to Acquisition | 142cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_VistaIICAMember |  |
Gross Carrying Amount at year end |  |  |
Land | 4,629us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_VistaIICAMember |  |
Building and Improvements | 11,698us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_VistaIICAMember |  |
Total | 16,327cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_VistaIICAMember |  |
Accumulated Depreciation | 3,165cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_VistaIICAMember |  |
Walnut, CA |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 50,708us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WalnutCAMember |  |
Initial cost |  |  |
Land | 1,578us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WalnutCAMember |  |
Building and Improvements | 4,635us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WalnutCAMember |  |
Costs Subsequent to Acquisition | 236cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WalnutCAMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,595us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WalnutCAMember |  |
Building and Improvements | 4,133us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WalnutCAMember |  |
Total | 5,728cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WalnutCAMember |  |
Accumulated Depreciation | 1,105cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WalnutCAMember |  |
West Sacramento, CA |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 40,015us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WestSacramentoCAMember |  |
Initial cost |  |  |
Land | 1,222us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WestSacramentoCAMember |  |
Building and Improvements | 3,590us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WestSacramentoCAMember |  |
Costs Subsequent to Acquisition | 200cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WestSacramentoCAMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,222us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WestSacramentoCAMember |  |
Building and Improvements | 3,236us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WestSacramentoCAMember |  |
Total | 4,458cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WestSacramentoCAMember |  |
Accumulated Depreciation | 868cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WestSacramentoCAMember |  |
Westminster, CA |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 68,428us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WestminsterCAMember |  |
Initial cost |  |  |
Land | 1,740us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WestminsterCAMember |  |
Building and Improvements | 5,142us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WestminsterCAMember |  |
Costs Subsequent to Acquisition | 303cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WestminsterCAMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,743us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WestminsterCAMember |  |
Building and Improvements | 4,560us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WestminsterCAMember |  |
Total | 6,303cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WestminsterCAMember |  |
Accumulated Depreciation | 1,292cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WestminsterCAMember |  |
Aurora, CO |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 75,867us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AuroraCOMember |  |
Initial cost |  |  |
Land | 1,343us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AuroraCOMember |  |
Building and Improvements | 2,986us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AuroraCOMember |  |
Costs Subsequent to Acquisition | 313cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AuroraCOMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,343us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AuroraCOMember |  |
Building and Improvements | 2,764us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AuroraCOMember |  |
Total | 4,107cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AuroraCOMember |  |
Accumulated Depreciation | 739cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AuroraCOMember |  |
Colorado Springs I, CO |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 47,975us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ColoradoSpringsICOMember |  |
Initial cost |  |  |
Land | 771us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ColoradoSpringsICOMember |  |
Building and Improvements | 1,717us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ColoradoSpringsICOMember |  |
Costs Subsequent to Acquisition | 337cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ColoradoSpringsICOMember |  |
Gross Carrying Amount at year end |  |  |
Land | 771us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ColoradoSpringsICOMember |  |
Building and Improvements | 1,711us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ColoradoSpringsICOMember |  |
Total | 2,482cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ColoradoSpringsICOMember |  |
Accumulated Depreciation | 449cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ColoradoSpringsICOMember |  |
Colorado Springs II, CO |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 62,400us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ColoradoSpringsIICOMember |  |
Initial cost |  |  |
Land | 657us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ColoradoSpringsIICOMember |  |
Building and Improvements | 2,674us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ColoradoSpringsIICOMember |  |
Costs Subsequent to Acquisition | 210cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ColoradoSpringsIICOMember |  |
Gross Carrying Amount at year end |  |  |
Land | 656us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ColoradoSpringsIICOMember |  |
Building and Improvements | 2,377us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ColoradoSpringsIICOMember |  |
Total | 3,033cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ColoradoSpringsIICOMember |  |
Accumulated Depreciation | 641cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ColoradoSpringsIICOMember |  |
Denver I, CO |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 59,200us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DenverICOMember |  |
Initial cost |  |  |
Land | 673us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DenverICOMember |  |
Building and Improvements | 2,741us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DenverICOMember |  |
Costs Subsequent to Acquisition | 197cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DenverICOMember |  |
Gross Carrying Amount at year end |  |  |
Land | 671us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DenverICOMember |  |
Building and Improvements | 2,436us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DenverICOMember |  |
Total | 3,107cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DenverICOMember |  |
Accumulated Depreciation | 694cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DenverICOMember |  |
Denver II, CO |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 74,295us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DenverIICOMember |  |
Initial cost |  |  |
Land | 1,430us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DenverIICOMember |  |
Building and Improvements | 7,053us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DenverIICOMember |  |
Costs Subsequent to Acquisition | 71cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DenverIICOMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,430us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DenverIICOMember |  |
Building and Improvements | 7,123us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DenverIICOMember |  |
Total | 8,553cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DenverIICOMember |  |
Accumulated Depreciation | 341cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DenverIICOMember |  |
Federal Heights, CO |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 54,770us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FederalHeightsCOMember |  |
Initial cost |  |  |
Land | 878us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FederalHeightsCOMember |  |
Building and Improvements | 1,953us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FederalHeightsCOMember |  |
Costs Subsequent to Acquisition | 251cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FederalHeightsCOMember |  |
Gross Carrying Amount at year end |  |  |
Land | 879us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FederalHeightsCOMember |  |
Building and Improvements | 1,810us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FederalHeightsCOMember |  |
Total | 2,689cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FederalHeightsCOMember |  |
Accumulated Depreciation | 471cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FederalHeightsCOMember |  |
Golden, CO |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 87,800us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GoldenCOMember |  |
Initial cost |  |  |
Land | 1,683us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GoldenCOMember |  |
Building and Improvements | 3,744us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GoldenCOMember |  |
Costs Subsequent to Acquisition | 404cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GoldenCOMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,684us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GoldenCOMember |  |
Building and Improvements | 3,477us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GoldenCOMember |  |
Total | 5,161cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GoldenCOMember |  |
Accumulated Depreciation | 915cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GoldenCOMember |  |
Littleton, CO |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 53,490us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LittletonCOMember |  |
Initial cost |  |  |
Land | 1,268us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LittletonCOMember |  |
Building and Improvements | 2,820us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LittletonCOMember |  |
Costs Subsequent to Acquisition | 277cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LittletonCOMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,268us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LittletonCOMember |  |
Building and Improvements | 2,589us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LittletonCOMember |  |
Total | 3,857cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LittletonCOMember |  |
Accumulated Depreciation | 655cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LittletonCOMember |  |
Northglenn, CO |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 52,102us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorthglennCOMember |  |
Initial cost |  |  |
Land | 862us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorthglennCOMember |  |
Building and Improvements | 1,917us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorthglennCOMember |  |
Costs Subsequent to Acquisition | 365cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorthglennCOMember |  |
Gross Carrying Amount at year end |  |  |
Land | 862us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorthglennCOMember |  |
Building and Improvements | 1,869us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorthglennCOMember |  |
Total | 2,731cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorthglennCOMember |  |
Accumulated Depreciation | 477cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorthglennCOMember |  |
Bloomfield, CT |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 48,700us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BloomfieldCTMember |  |
Initial cost |  |  |
Land | 78us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BloomfieldCTMember |  |
Building and Improvements | 880us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BloomfieldCTMember |  |
Costs Subsequent to Acquisition | 2,338cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BloomfieldCTMember |  |
Gross Carrying Amount at year end |  |  |
Land | 360us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BloomfieldCTMember |  |
Building and Improvements | 2,644us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BloomfieldCTMember |  |
Total | 3,004cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BloomfieldCTMember |  |
Accumulated Depreciation | 1,029cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BloomfieldCTMember |  |
Branford, CT |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 50,679us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BranfordCTMember |  |
Initial cost |  |  |
Land | 217us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BranfordCTMember |  |
Building and Improvements | 2,433us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BranfordCTMember |  |
Costs Subsequent to Acquisition | 1,317cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BranfordCTMember |  |
Gross Carrying Amount at year end |  |  |
Land | 504us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BranfordCTMember |  |
Building and Improvements | 3,055us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BranfordCTMember |  |
Total | 3,559cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BranfordCTMember |  |
Accumulated Depreciation | 1,626cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BranfordCTMember |  |
Bristol, CT |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 47,725us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BristolCTMember |  |
Initial cost |  |  |
Land | 1,819us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BristolCTMember |  |
Building and Improvements | 3,161us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BristolCTMember |  |
Costs Subsequent to Acquisition | 63cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BristolCTMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,819us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BristolCTMember |  |
Building and Improvements | 2,759us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BristolCTMember |  |
Total | 4,578cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BristolCTMember |  |
Accumulated Depreciation | 849cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BristolCTMember |  |
East Windsor, CT |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 46,016us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_EastWindsorCTMember |  |
Initial cost |  |  |
Land | 744us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_EastWindsorCTMember |  |
Building and Improvements | 1,294us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_EastWindsorCTMember |  |
Costs Subsequent to Acquisition | 458cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_EastWindsorCTMember |  |
Gross Carrying Amount at year end |  |  |
Land | 744us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_EastWindsorCTMember |  |
Building and Improvements | 1,482us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_EastWindsorCTMember |  |
Total | 2,226cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_EastWindsorCTMember |  |
Accumulated Depreciation | 448cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_EastWindsorCTMember |  |
Enfield, CT |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 52,875us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_EnfieldCTMember |  |
Initial cost |  |  |
Land | 424us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_EnfieldCTMember |  |
Building and Improvements | 2,424us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_EnfieldCTMember |  |
Costs Subsequent to Acquisition | 396cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_EnfieldCTMember |  |
Gross Carrying Amount at year end |  |  |
Land | 473us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_EnfieldCTMember |  |
Building and Improvements | 2,229us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_EnfieldCTMember |  |
Total | 2,702cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_EnfieldCTMember |  |
Accumulated Depreciation | 873cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_EnfieldCTMember |  |
Gales Ferry, CT |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 54,805us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GalesFerryCTMember |  |
Initial cost |  |  |
Land | 240us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GalesFerryCTMember |  |
Building and Improvements | 2,697us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GalesFerryCTMember |  |
Costs Subsequent to Acquisition | 1,458cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GalesFerryCTMember |  |
Gross Carrying Amount at year end |  |  |
Land | 489us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GalesFerryCTMember |  |
Building and Improvements | 3,473us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GalesFerryCTMember |  |
Total | 3,962cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GalesFerryCTMember |  |
Accumulated Depreciation | 1,503cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GalesFerryCTMember |  |
Manchester I, CT |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 46,925us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ManchesterICTMember |  |
Initial cost |  |  |
Land | 540us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ManchesterICTMember |  |
Building and Improvements | 3,096us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ManchesterICTMember |  |
Costs Subsequent to Acquisition | 360cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ManchesterICTMember |  |
Gross Carrying Amount at year end |  |  |
Land | 563us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ManchesterICTMember |  |
Building and Improvements | 2,684us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ManchesterICTMember |  |
Total | 3,247cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ManchesterICTMember |  |
Accumulated Depreciation | 1,100cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ManchesterICTMember |  |
Manchester II, CT |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 52,725us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ManchesterIICTMember |  |
Initial cost |  |  |
Land | 996us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ManchesterIICTMember |  |
Building and Improvements | 1,730us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ManchesterIICTMember |  |
Costs Subsequent to Acquisition | 255cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ManchesterIICTMember |  |
Gross Carrying Amount at year end |  |  |
Land | 996us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ManchesterIICTMember |  |
Building and Improvements | 1,677us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ManchesterIICTMember |  |
Total | 2,673cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ManchesterIICTMember |  |
Accumulated Depreciation | 495cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ManchesterIICTMember |  |
Manchester III, CT |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 60,113us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ManchesterIIICTMember |  |
Initial cost |  |  |
Land | 671us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ManchesterIIICTMember |  |
Building and Improvements | 3,308us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ManchesterIIICTMember |  |
Costs Subsequent to Acquisition | 6cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ManchesterIIICTMember |  |
Gross Carrying Amount at year end |  |  |
Land | 671us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ManchesterIIICTMember |  |
Building and Improvements | 3,314us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ManchesterIIICTMember |  |
Total | 3,985cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ManchesterIIICTMember |  |
Accumulated Depreciation | 26cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ManchesterIIICTMember |  |
Milford, CT |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 44,885us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MilfordCTMember |  |
Initial cost |  |  |
Land | 87us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MilfordCTMember |  |
Building and Improvements | 1,050us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MilfordCTMember |  |
Costs Subsequent to Acquisition | 1,129cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MilfordCTMember |  |
Gross Carrying Amount at year end |  |  |
Land | 274us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MilfordCTMember |  |
Building and Improvements | 1,707us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MilfordCTMember |  |
Total | 1,981cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MilfordCTMember |  |
Accumulated Depreciation | 819cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MilfordCTMember |  |
Monroe, CT |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 58,500us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MonroeCTMember |  |
Initial cost |  |  |
Land | 2,004us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MonroeCTMember |  |
Building and Improvements | 3,483us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MonroeCTMember |  |
Costs Subsequent to Acquisition | 600cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MonroeCTMember |  |
Gross Carrying Amount at year end |  |  |
Land | 2,004us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MonroeCTMember |  |
Building and Improvements | 3,399us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MonroeCTMember |  |
Total | 5,403cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MonroeCTMember |  |
Accumulated Depreciation | 1,072cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MonroeCTMember |  |
Mystic, CT |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 50,825us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MysticCTMember |  |
Initial cost |  |  |
Land | 136us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MysticCTMember |  |
Building and Improvements | 1,645us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MysticCTMember |  |
Costs Subsequent to Acquisition | 1,927cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MysticCTMember |  |
Gross Carrying Amount at year end |  |  |
Land | 410us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MysticCTMember |  |
Building and Improvements | 2,840us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MysticCTMember |  |
Total | 3,250cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MysticCTMember |  |
Accumulated Depreciation | 1,377cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MysticCTMember |  |
Newington I, CT |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 42,620us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NewingtonICTMember |  |
Initial cost |  |  |
Land | 1,059us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NewingtonICTMember |  |
Building and Improvements | 1,840us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NewingtonICTMember |  |
Costs Subsequent to Acquisition | 206cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NewingtonICTMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,059us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NewingtonICTMember |  |
Building and Improvements | 1,752us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NewingtonICTMember |  |
Total | 2,811cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NewingtonICTMember |  |
Accumulated Depreciation | 518cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NewingtonICTMember |  |
Newington II, CT |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 36,140us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NewingtonIICTMember |  |
Initial cost |  |  |
Land | 911us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NewingtonIICTMember |  |
Building and Improvements | 1,584us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NewingtonIICTMember |  |
Costs Subsequent to Acquisition | 231cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NewingtonIICTMember |  |
Gross Carrying Amount at year end |  |  |
Land | 911us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NewingtonIICTMember |  |
Building and Improvements | 1,541us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NewingtonIICTMember |  |
Total | 2,452cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NewingtonIICTMember |  |
Accumulated Depreciation | 463cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NewingtonIICTMember |  |
Norwalk, CT |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 30,414us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorwalkCTMember |  |
Initial cost |  |  |
Land | 646us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorwalkCTMember |  |
Building and Improvements | 3,187us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorwalkCTMember |  |
Costs Subsequent to Acquisition | 48cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorwalkCTMember |  |
Gross Carrying Amount at year end |  |  |
Land | 646us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorwalkCTMember |  |
Building and Improvements | 3,235us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorwalkCTMember |  |
Total | 3,881cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorwalkCTMember |  |
Accumulated Depreciation | 171cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorwalkCTMember |  |
Old Saybrook I, CT |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 86,950us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OldSaybrookICTMember |  |
Initial cost |  |  |
Land | 3,092us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OldSaybrookICTMember |  |
Building and Improvements | 5,374us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OldSaybrookICTMember |  |
Costs Subsequent to Acquisition | 519cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OldSaybrookICTMember |  |
Gross Carrying Amount at year end |  |  |
Land | 3,092us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OldSaybrookICTMember |  |
Building and Improvements | 5,039us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OldSaybrookICTMember |  |
Total | 8,131cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OldSaybrookICTMember |  |
Accumulated Depreciation | 1,537cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OldSaybrookICTMember |  |
Old Saybrook II, CT |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 26,425us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OldSaybrookIICTMember |  |
Initial cost |  |  |
Land | 1,135us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OldSaybrookIICTMember |  |
Building and Improvements | 1,973us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OldSaybrookIICTMember |  |
Costs Subsequent to Acquisition | 231cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OldSaybrookIICTMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,135us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OldSaybrookIICTMember |  |
Building and Improvements | 1,877us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OldSaybrookIICTMember |  |
Total | 3,012cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OldSaybrookIICTMember |  |
Accumulated Depreciation | 586cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OldSaybrookIICTMember |  |
Shelton, CT |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 78,430us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SheltonCTMember |  |
Initial cost |  |  |
Land | 1,449us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SheltonCTMember |  |
Building and Improvements | 8,221us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SheltonCTMember |  |
Costs Subsequent to Acquisition | 179cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SheltonCTMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,449us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SheltonCTMember |  |
Building and Improvements | 7,317us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SheltonCTMember |  |
Total | 8,766cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SheltonCTMember |  |
Accumulated Depreciation | 678cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SheltonCTMember |  |
South Windsor, CT |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 72,075us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SouthWindsorCTMember |  |
Initial cost |  |  |
Land | 90us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SouthWindsorCTMember |  |
Building and Improvements | 1,127us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SouthWindsorCTMember |  |
Costs Subsequent to Acquisition | 1,322cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SouthWindsorCTMember |  |
Gross Carrying Amount at year end |  |  |
Land | 272us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SouthWindsorCTMember |  |
Building and Improvements | 2,062us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SouthWindsorCTMember |  |
Total | 2,334cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SouthWindsorCTMember |  |
Accumulated Depreciation | 859cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SouthWindsorCTMember |  |
Stamford, CT |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 28,907us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_StamfordCTMember |  |
Initial cost |  |  |
Land | 1,941us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_StamfordCTMember |  |
Building and Improvements | 3,374us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_StamfordCTMember |  |
Costs Subsequent to Acquisition | 102cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_StamfordCTMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,941us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_StamfordCTMember |  |
Building and Improvements | 2,940us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_StamfordCTMember |  |
Total | 4,881cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_StamfordCTMember |  |
Accumulated Depreciation | 891cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_StamfordCTMember |  |
Wilton, CT |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 84,515us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WiltonCTMember |  |
Encumbrances | 12,635us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WiltonCTMember |  |
Initial cost |  |  |
Land | 2,409us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WiltonCTMember |  |
Building and Improvements | 12,261us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WiltonCTMember |  |
Costs Subsequent to Acquisition | 172cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WiltonCTMember |  |
Gross Carrying Amount at year end |  |  |
Land | 2,421us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WiltonCTMember |  |
Building and Improvements | 12,494us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WiltonCTMember |  |
Total | 14,915cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WiltonCTMember |  |
Accumulated Depreciation | 824cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WiltonCTMember |  |
Washington I, DC |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 63,085us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WashingtonIDCMember |  |
Initial cost |  |  |
Land | 871us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WashingtonIDCMember |  |
Building and Improvements | 12,759us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WashingtonIDCMember |  |
Costs Subsequent to Acquisition | 403cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WashingtonIDCMember |  |
Gross Carrying Amount at year end |  |  |
Land | 894us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WashingtonIDCMember |  |
Building and Improvements | 10,480us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WashingtonIDCMember |  |
Total | 11,374cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WashingtonIDCMember |  |
Accumulated Depreciation | 2,048cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WashingtonIDCMember |  |
Washington II, DC |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 82,982us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WashingtonIIDCMember |  |
Initial cost |  |  |
Land | 3,152us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WashingtonIIDCMember |  |
Building and Improvements | 13,612us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WashingtonIIDCMember |  |
Costs Subsequent to Acquisition | 146cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WashingtonIIDCMember |  |
Gross Carrying Amount at year end |  |  |
Land | 3,154us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WashingtonIIDCMember |  |
Building and Improvements | 11,983us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WashingtonIIDCMember |  |
Total | 15,137cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WashingtonIIDCMember |  |
Accumulated Depreciation | 856cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WashingtonIIDCMember |  |
Boca Raton, FL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 37,958us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BocaRatonFLMember |  |
Initial cost |  |  |
Land | 529us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BocaRatonFLMember |  |
Building and Improvements | 3,054us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BocaRatonFLMember |  |
Costs Subsequent to Acquisition | 1,564cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BocaRatonFLMember |  |
Gross Carrying Amount at year end |  |  |
Land | 813us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BocaRatonFLMember |  |
Building and Improvements | 3,711us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BocaRatonFLMember |  |
Total | 4,524cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BocaRatonFLMember |  |
Accumulated Depreciation | 1,259cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BocaRatonFLMember |  |
Boynton Beach I, FL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 61,749us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BoyntonBeachIFLMember |  |
Initial cost |  |  |
Land | 667us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BoyntonBeachIFLMember |  |
Building and Improvements | 3,796us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BoyntonBeachIFLMember |  |
Costs Subsequent to Acquisition | 1,801cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BoyntonBeachIFLMember |  |
Gross Carrying Amount at year end |  |  |
Land | 958us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BoyntonBeachIFLMember |  |
Building and Improvements | 4,507us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BoyntonBeachIFLMember |  |
Total | 5,465cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BoyntonBeachIFLMember |  |
Accumulated Depreciation | 1,530cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BoyntonBeachIFLMember |  |
Boynton Beach II, FL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 61,579us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BoyntonBeachIIFLMember |  |
Initial cost |  |  |
Land | 1,030us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BoyntonBeachIIFLMember |  |
Building and Improvements | 2,968us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BoyntonBeachIIFLMember |  |
Costs Subsequent to Acquisition | 329cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BoyntonBeachIIFLMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,030us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BoyntonBeachIIFLMember |  |
Building and Improvements | 2,861us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BoyntonBeachIIFLMember |  |
Total | 3,891cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BoyntonBeachIIFLMember |  |
Accumulated Depreciation | 778cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BoyntonBeachIIFLMember |  |
Boynton Beach III, FL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 67,393us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BoyntonBeachIIIFLMember |  |
Initial cost |  |  |
Land | 1,225us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BoyntonBeachIIIFLMember |  |
Building and Improvements | 6,037us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BoyntonBeachIIIFLMember |  |
Costs Subsequent to Acquisition | 12cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BoyntonBeachIIIFLMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,225us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BoyntonBeachIIIFLMember |  |
Building and Improvements | 6,050us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BoyntonBeachIIIFLMember |  |
Total | 7,275cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BoyntonBeachIIIFLMember |  |
Accumulated Depreciation | 48cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BoyntonBeachIIIFLMember |  |
Bradenton I, FL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 68,441us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BradentonIFLMember |  |
Initial cost |  |  |
Land | 1,180us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BradentonIFLMember |  |
Building and Improvements | 3,324us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BradentonIFLMember |  |
Costs Subsequent to Acquisition | 225cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BradentonIFLMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,180us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BradentonIFLMember |  |
Building and Improvements | 3,028us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BradentonIFLMember |  |
Total | 4,208cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BradentonIFLMember |  |
Accumulated Depreciation | 854cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BradentonIFLMember |  |
Bradenton II, FL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 87,958us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BradentonIIFLMember |  |
Initial cost |  |  |
Land | 1,931us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BradentonIIFLMember |  |
Building and Improvements | 5,561us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BradentonIIFLMember |  |
Costs Subsequent to Acquisition | 975cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BradentonIIFLMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,931us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BradentonIIFLMember |  |
Building and Improvements | 5,441us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BradentonIIFLMember |  |
Total | 7,372cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BradentonIIFLMember |  |
Accumulated Depreciation | 1,507cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BradentonIIFLMember |  |
Cape Coral I, FL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 76,842us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CapeCoralIFLMember |  |
Initial cost |  |  |
Land | 472us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CapeCoralIFLMember |  |
Building and Improvements | 2,769us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CapeCoralIFLMember |  |
Costs Subsequent to Acquisition | 2,538cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CapeCoralIFLMember |  |
Gross Carrying Amount at year end |  |  |
Land | 830us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CapeCoralIFLMember |  |
Building and Improvements | 4,371us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CapeCoralIFLMember |  |
Total | 5,201cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CapeCoralIFLMember |  |
Accumulated Depreciation | 1,786cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CapeCoralIFLMember |  |
Cape Coral II, FL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 67,955us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CapeCoralIIFLMember |  |
Initial cost |  |  |
Land | 1,093us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CapeCoralIIFLMember |  |
Building and Improvements | 5,387us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CapeCoralIIFLMember |  |
Costs Subsequent to Acquisition | 1cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CapeCoralIIFLMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,093us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CapeCoralIIFLMember |  |
Building and Improvements | 5,388us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CapeCoralIIFLMember |  |
Total | 6,481cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CapeCoralIIFLMember |  |
Accumulated Depreciation | 14cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CapeCoralIIFLMember |  |
Coconut Creek II, FL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 90,400us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CoconutCreekIIFLMember |  |
Initial cost |  |  |
Land | 1,937us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CoconutCreekIIFLMember |  |
Building and Improvements | 9,549us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CoconutCreekIIFLMember |  |
Costs Subsequent to Acquisition | 109cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CoconutCreekIIFLMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,937us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CoconutCreekIIFLMember |  |
Building and Improvements | 9,658us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CoconutCreekIIFLMember |  |
Total | 11,595cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CoconutCreekIIFLMember |  |
Accumulated Depreciation | 77cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CoconutCreekIIFLMember |  |
Coconut Creek I, FL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 78,883us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CoconutCreekIFLMember |  |
Initial cost |  |  |
Land | 1,189us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CoconutCreekIFLMember |  |
Building and Improvements | 5,863us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CoconutCreekIFLMember |  |
Costs Subsequent to Acquisition | 106cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CoconutCreekIFLMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,189us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CoconutCreekIFLMember |  |
Building and Improvements | 5,968us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CoconutCreekIFLMember |  |
Total | 7,157cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CoconutCreekIFLMember |  |
Accumulated Depreciation | 286cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CoconutCreekIFLMember |  |
Dania Beach, FL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 168,724us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DaniaBeachFLMember |  |
Initial cost |  |  |
Land | 3,584us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DaniaBeachFLMember |  |
Building and Improvements | 10,324us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DaniaBeachFLMember |  |
Costs Subsequent to Acquisition | 1,171cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DaniaBeachFLMember |  |
Gross Carrying Amount at year end |  |  |
Land | 3,584us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DaniaBeachFLMember |  |
Building and Improvements | 9,999us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DaniaBeachFLMember |  |
Total | 13,583cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DaniaBeachFLMember |  |
Accumulated Depreciation | 2,827cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DaniaBeachFLMember |  |
Dania, FL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 58,145us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DaniaFLMember |  |
Initial cost |  |  |
Land | 205us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DaniaFLMember |  |
Building and Improvements | 2,068us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DaniaFLMember |  |
Costs Subsequent to Acquisition | 1,442cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DaniaFLMember |  |
Gross Carrying Amount at year end |  |  |
Land | 481us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DaniaFLMember |  |
Building and Improvements | 2,813us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DaniaFLMember |  |
Total | 3,294cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DaniaFLMember |  |
Accumulated Depreciation | 1,375cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DaniaFLMember |  |
Davie, FL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 81,235us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DavieFLMember |  |
Initial cost |  |  |
Land | 1,268us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DavieFLMember |  |
Building and Improvements | 7,183us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DavieFLMember |  |
Costs Subsequent to Acquisition | 815cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DavieFLMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,373us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DavieFLMember |  |
Building and Improvements | 5,735us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DavieFLMember |  |
Total | 7,108cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DavieFLMember |  |
Accumulated Depreciation | 2,500cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DavieFLMember |  |
Deerfield Beach, FL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 57,230us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DeerfieldBeachFLMember |  |
Initial cost |  |  |
Land | 946us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DeerfieldBeachFLMember |  |
Building and Improvements | 2,999us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DeerfieldBeachFLMember |  |
Costs Subsequent to Acquisition | 2,019cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DeerfieldBeachFLMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,311us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DeerfieldBeachFLMember |  |
Building and Improvements | 4,524us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DeerfieldBeachFLMember |  |
Total | 5,835cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DeerfieldBeachFLMember |  |
Accumulated Depreciation | 1,631cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DeerfieldBeachFLMember |  |
Delray Beach I, FL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 67,833us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DelrayBeachIFLMember |  |
Initial cost |  |  |
Land | 798us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DelrayBeachIFLMember |  |
Building and Improvements | 4,539us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DelrayBeachIFLMember |  |
Costs Subsequent to Acquisition | 690cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DelrayBeachIFLMember |  |
Gross Carrying Amount at year end |  |  |
Land | 883us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DelrayBeachIFLMember |  |
Building and Improvements | 4,229us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DelrayBeachIFLMember |  |
Total | 5,112cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DelrayBeachIFLMember |  |
Accumulated Depreciation | 1,535cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DelrayBeachIFLMember |  |
Delray Beach II, FL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 75,712us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DelrayBeachIIFLMember |  |
Initial cost |  |  |
Land | 957us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DelrayBeachIIFLMember |  |
Building and Improvements | 4,718us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DelrayBeachIIFLMember |  |
Costs Subsequent to Acquisition | 194cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DelrayBeachIIFLMember |  |
Gross Carrying Amount at year end |  |  |
Land | 957us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DelrayBeachIIFLMember |  |
Building and Improvements | 4,912us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DelrayBeachIIFLMember |  |
Total | 5,869cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DelrayBeachIIFLMember |  |
Accumulated Depreciation | 1,507cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DelrayBeachIIFLMember |  |
Delray Beach III, FL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 94,495us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DelrayBeachIIIFLMember |  |
Initial cost |  |  |
Land | 2,086us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DelrayBeachIIIFLMember |  |
Building and Improvements | 10,286us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DelrayBeachIIIFLMember |  |
Costs Subsequent to Acquisition | 2cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DelrayBeachIIIFLMember |  |
Gross Carrying Amount at year end |  |  |
Land | 2,086us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DelrayBeachIIIFLMember |  |
Building and Improvements | 10,289us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DelrayBeachIIIFLMember |  |
Total | 12,375cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DelrayBeachIIIFLMember |  |
Accumulated Depreciation | 82cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DelrayBeachIIIFLMember |  |
Fernandina Beach, FL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 121,083us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FernandinaBeachFLMember |  |
Initial cost |  |  |
Land | 378us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FernandinaBeachFLMember |  |
Building and Improvements | 4,222us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FernandinaBeachFLMember |  |
Costs Subsequent to Acquisition | 3,668cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FernandinaBeachFLMember |  |
Gross Carrying Amount at year end |  |  |
Land | 643us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FernandinaBeachFLMember |  |
Building and Improvements | 6,991us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FernandinaBeachFLMember |  |
Total | 7,634cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FernandinaBeachFLMember |  |
Accumulated Depreciation | 2,432cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FernandinaBeachFLMember |  |
Ft. Lauderdale I, FL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 70,063us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_Ft.LauderdaleIFLMember |  |
Initial cost |  |  |
Land | 937us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_Ft.LauderdaleIFLMember |  |
Building and Improvements | 3,646us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_Ft.LauderdaleIFLMember |  |
Costs Subsequent to Acquisition | 2,438cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_Ft.LauderdaleIFLMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,384us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_Ft.LauderdaleIFLMember |  |
Building and Improvements | 5,416us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_Ft.LauderdaleIFLMember |  |
Total | 6,800cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_Ft.LauderdaleIFLMember |  |
Accumulated Depreciation | 1,994cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_Ft.LauderdaleIFLMember |  |
Ft. Lauderdale II, FL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 49,507us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_Ft.LauderdaleIIFLMember |  |
Initial cost |  |  |
Land | 862us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_Ft.LauderdaleIIFLMember |  |
Building and Improvements | 4,250us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_Ft.LauderdaleIIFLMember |  |
Costs Subsequent to Acquisition | 54cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_Ft.LauderdaleIIFLMember |  |
Gross Carrying Amount at year end |  |  |
Land | 862us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_Ft.LauderdaleIIFLMember |  |
Building and Improvements | 4,305us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_Ft.LauderdaleIIFLMember |  |
Total | 5,167cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_Ft.LauderdaleIIFLMember |  |
Accumulated Depreciation | 1,834cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_Ft.LauderdaleIIFLMember |  |
Ft. Myers I, FL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 67,546us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_Ft.MyersIFLMember |  |
Initial cost |  |  |
Land | 303us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_Ft.MyersIFLMember |  |
Building and Improvements | 3,329us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_Ft.MyersIFLMember |  |
Costs Subsequent to Acquisition | 824cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_Ft.MyersIFLMember |  |
Gross Carrying Amount at year end |  |  |
Land | 328us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_Ft.MyersIFLMember |  |
Building and Improvements | 3,167us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_Ft.MyersIFLMember |  |
Total | 3,495cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_Ft.MyersIFLMember |  |
Accumulated Depreciation | 1,637cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_Ft.MyersIFLMember |  |
Ft. Myers II, FL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 83,125us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_Ft.MyersIIFLMember |  |
Initial cost |  |  |
Land | 1,030us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_Ft.MyersIIFLMember |  |
Building and Improvements | 5,080us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_Ft.MyersIIFLMember |  |
Costs Subsequent to Acquisition | 4cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_Ft.MyersIIFLMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,030us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_Ft.MyersIIFLMember |  |
Building and Improvements | 5,084us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_Ft.MyersIIFLMember |  |
Total | 6,114cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_Ft.MyersIIFLMember |  |
Accumulated Depreciation | 40cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_Ft.MyersIIFLMember |  |
Ft. Myers III, FL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 81,554us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_Ft.MyersIIIFLMember |  |
Initial cost |  |  |
Land | 1,148us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_Ft.MyersIIIFLMember |  |
Building and Improvements | 5,658us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_Ft.MyersIIIFLMember |  |
Costs Subsequent to Acquisition | 29cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_Ft.MyersIIIFLMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,148us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_Ft.MyersIIIFLMember |  |
Building and Improvements | 5,688us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_Ft.MyersIIIFLMember |  |
Total | 6,836cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_Ft.MyersIIIFLMember |  |
Accumulated Depreciation | 46cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_Ft.MyersIIIFLMember |  |
Jacksonville I, FL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 80,215us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_JacksonvilleIFLMember |  |
Initial cost |  |  |
Land | 1,862us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_JacksonvilleIFLMember |  |
Building and Improvements | 5,362us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_JacksonvilleIFLMember |  |
Costs Subsequent to Acquisition | 72cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_JacksonvilleIFLMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,862us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_JacksonvilleIFLMember |  |
Building and Improvements | 4,752us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_JacksonvilleIFLMember |  |
Total | 6,614cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_JacksonvilleIFLMember |  |
Accumulated Depreciation | 1,190cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_JacksonvilleIFLMember |  |
Jacksonville II, FL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 65,070us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_JacksonvilleIIFLMember |  |
Initial cost |  |  |
Land | 950us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_JacksonvilleIIFLMember |  |
Building and Improvements | 7,004us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_JacksonvilleIIFLMember |  |
Costs Subsequent to Acquisition | 120cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_JacksonvilleIIFLMember |  |
Gross Carrying Amount at year end |  |  |
Land | 950us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_JacksonvilleIIFLMember |  |
Building and Improvements | 5,571us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_JacksonvilleIIFLMember |  |
Total | 6,521cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_JacksonvilleIIFLMember |  |
Accumulated Depreciation | 1,143cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_JacksonvilleIIFLMember |  |
Jacksonville III, FL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 65,590us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_JacksonvilleIIIFLMember |  |
Initial cost |  |  |
Land | 860us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_JacksonvilleIIIFLMember |  |
Building and Improvements | 7,409us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_JacksonvilleIIIFLMember |  |
Costs Subsequent to Acquisition | 989cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_JacksonvilleIIIFLMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,670us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_JacksonvilleIIIFLMember |  |
Building and Improvements | 5,997us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_JacksonvilleIIIFLMember |  |
Total | 7,667cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_JacksonvilleIIIFLMember |  |
Accumulated Depreciation | 1,239cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_JacksonvilleIIIFLMember |  |
Jacksonville IV, FL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 77,535us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_JacksonvilleIVFLMember |  |
Initial cost |  |  |
Land | 870us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_JacksonvilleIVFLMember |  |
Building and Improvements | 8,049us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_JacksonvilleIVFLMember |  |
Costs Subsequent to Acquisition | 1,030cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_JacksonvilleIVFLMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,651us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_JacksonvilleIVFLMember |  |
Building and Improvements | 7,004us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_JacksonvilleIVFLMember |  |
Total | 8,655cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_JacksonvilleIVFLMember |  |
Accumulated Depreciation | 1,449cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_JacksonvilleIVFLMember |  |
Jacksonville V, FL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 82,235us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_JacksonvilleVFLMember |  |
Initial cost |  |  |
Land | 1,220us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_JacksonvilleVFLMember |  |
Building and Improvements | 8,210us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_JacksonvilleVFLMember |  |
Costs Subsequent to Acquisition | 312cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_JacksonvilleVFLMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,220us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_JacksonvilleVFLMember |  |
Building and Improvements | 6,813us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_JacksonvilleVFLMember |  |
Total | 8,033cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_JacksonvilleVFLMember |  |
Accumulated Depreciation | 1,406cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_JacksonvilleVFLMember |  |
Jacksonville VI, FL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 74,425us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_JacksonvilleVIFLMember |  |
Initial cost |  |  |
Land | 755us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_JacksonvilleVIFLMember |  |
Building and Improvements | 3,725us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_JacksonvilleVIFLMember |  |
Costs Subsequent to Acquisition | 1cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_JacksonvilleVIFLMember |  |
Gross Carrying Amount at year end |  |  |
Land | 755us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_JacksonvilleVIFLMember |  |
Building and Improvements | 3,725us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_JacksonvilleVIFLMember |  |
Total | 4,480cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_JacksonvilleVIFLMember |  |
Accumulated Depreciation | 10cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_JacksonvilleVIFLMember |  |
Kendall, FL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 75,495us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_KendallFLMember |  |
Initial cost |  |  |
Land | 2,350us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_KendallFLMember |  |
Building and Improvements | 8,106us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_KendallFLMember |  |
Costs Subsequent to Acquisition | 201cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_KendallFLMember |  |
Gross Carrying Amount at year end |  |  |
Land | 2,350us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_KendallFLMember |  |
Building and Improvements | 6,534us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_KendallFLMember |  |
Total | 8,884cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_KendallFLMember |  |
Accumulated Depreciation | 1,346cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_KendallFLMember |  |
Lake Worth I, FL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 160,949us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LakeWorthIFLMember |  |
Initial cost |  |  |
Land | 183us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LakeWorthIFLMember |  |
Building and Improvements | 6,597us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LakeWorthIFLMember |  |
Costs Subsequent to Acquisition | 7,161cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LakeWorthIFLMember |  |
Gross Carrying Amount at year end |  |  |
Land | 354us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LakeWorthIFLMember |  |
Building and Improvements | 11,076us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LakeWorthIFLMember |  |
Total | 11,430cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LakeWorthIFLMember |  |
Accumulated Depreciation | 4,680cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LakeWorthIFLMember |  |
Lake Worth II, FL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 87,050us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LakeWorthIIFLMember |  |
Initial cost |  |  |
Land | 1,552us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LakeWorthIIFLMember |  |
Building and Improvements | 7,654us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LakeWorthIIFLMember |  |
Costs Subsequent to Acquisition | 100cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LakeWorthIIFLMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,552us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LakeWorthIIFLMember |  |
Building and Improvements | 7,753us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LakeWorthIIFLMember |  |
Total | 9,305cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LakeWorthIIFLMember |  |
Accumulated Depreciation | 61cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LakeWorthIIFLMember |  |
Lakeland, FL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 49,095us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LakelandFLMember |  |
Initial cost |  |  |
Land | 81us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LakelandFLMember |  |
Building and Improvements | 896us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LakelandFLMember |  |
Costs Subsequent to Acquisition | 1,127cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LakelandFLMember |  |
Gross Carrying Amount at year end |  |  |
Land | 256us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LakelandFLMember |  |
Building and Improvements | 1,440us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LakelandFLMember |  |
Total | 1,696cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LakelandFLMember |  |
Accumulated Depreciation | 803cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LakelandFLMember |  |
Leisure City, FL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 56,042us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LeisureCityFLMember |  |
Initial cost |  |  |
Land | 409us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LeisureCityFLMember |  |
Building and Improvements | 2,018us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LeisureCityFLMember |  |
Costs Subsequent to Acquisition | 127cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LeisureCityFLMember |  |
Gross Carrying Amount at year end |  |  |
Land | 409us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LeisureCityFLMember |  |
Building and Improvements | 2,144us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LeisureCityFLMember |  |
Total | 2,553cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LeisureCityFLMember |  |
Accumulated Depreciation | 105cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LeisureCityFLMember |  |
Lutz I, FL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 66,795us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LutzIFLMember |  |
Initial cost |  |  |
Land | 901us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LutzIFLMember |  |
Building and Improvements | 2,478us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LutzIFLMember |  |
Costs Subsequent to Acquisition | 232cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LutzIFLMember |  |
Gross Carrying Amount at year end |  |  |
Land | 901us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LutzIFLMember |  |
Building and Improvements | 2,325us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LutzIFLMember |  |
Total | 3,226cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LutzIFLMember |  |
Accumulated Depreciation | 640cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LutzIFLMember |  |
Lutz II, FL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 69,232us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LutzIIFLMember |  |
Initial cost |  |  |
Land | 992us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LutzIIFLMember |  |
Building and Improvements | 2,868us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LutzIIFLMember |  |
Costs Subsequent to Acquisition | 339cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LutzIIFLMember |  |
Gross Carrying Amount at year end |  |  |
Land | 992us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LutzIIFLMember |  |
Building and Improvements | 2,717us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LutzIIFLMember |  |
Total | 3,709cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LutzIIFLMember |  |
Accumulated Depreciation | 769cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LutzIIFLMember |  |
Margate I, FL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 53,660us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MargateIFLMember |  |
Initial cost |  |  |
Land | 161us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MargateIFLMember |  |
Building and Improvements | 1,763us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MargateIFLMember |  |
Gross Carrying Amount at year end |  |  |
Land | 399us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MargateIFLMember |  |
Building and Improvements | 3,196us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MargateIFLMember |  |
Total | 3,595cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MargateIFLMember |  |
Accumulated Depreciation | 1,402cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MargateIFLMember |  |
Margate II, FL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 65,180us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MargateIIFLMember |  |
Initial cost |  |  |
Land | 132us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MargateIIFLMember |  |
Building and Improvements | 1,473us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MargateIIFLMember |  |
Gross Carrying Amount at year end |  |  |
Land | 383us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MargateIIFLMember |  |
Building and Improvements | 2,663us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MargateIIFLMember |  |
Total | 3,046cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MargateIIFLMember |  |
Accumulated Depreciation | 1,204cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MargateIIFLMember |  |
Merritt Island, FL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 50,281us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MerrittIslandFLMember |  |
Initial cost |  |  |
Land | 716us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MerrittIslandFLMember |  |
Building and Improvements | 2,983us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MerrittIslandFLMember |  |
Costs Subsequent to Acquisition | 606cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MerrittIslandFLMember |  |
Gross Carrying Amount at year end |  |  |
Land | 796us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MerrittIslandFLMember |  |
Building and Improvements | 2,851us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MerrittIslandFLMember |  |
Total | 3,647cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MerrittIslandFLMember |  |
Accumulated Depreciation | 888cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MerrittIslandFLMember |  |
Miami I, FL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 46,500us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MiamiIFLMember |  |
Initial cost |  |  |
Land | 179us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MiamiIFLMember |  |
Building and Improvements | 1,999us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MiamiIFLMember |  |
Costs Subsequent to Acquisition | 1,811cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MiamiIFLMember |  |
Gross Carrying Amount at year end |  |  |
Land | 484us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MiamiIFLMember |  |
Building and Improvements | 3,123us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MiamiIFLMember |  |
Total | 3,607cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MiamiIFLMember |  |
Accumulated Depreciation | 1,720cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MiamiIFLMember |  |
Miami II, FL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 66,960us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MiamiIIFLMember |  |
Initial cost |  |  |
Land | 253us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MiamiIIFLMember |  |
Building and Improvements | 2,544us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MiamiIIFLMember |  |
Costs Subsequent to Acquisition | 1,456cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MiamiIIFLMember |  |
Gross Carrying Amount at year end |  |  |
Land | 561us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MiamiIIFLMember |  |
Building and Improvements | 3,183us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MiamiIIFLMember |  |
Total | 3,744cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MiamiIIFLMember |  |
Accumulated Depreciation | 1,634cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MiamiIIFLMember |  |
Miami III, FL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 150,425us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MiamiIIIFLMember |  |
Initial cost |  |  |
Land | 4,577us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MiamiIIIFLMember |  |
Building and Improvements | 13,185us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MiamiIIIFLMember |  |
Costs Subsequent to Acquisition | 816cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MiamiIIIFLMember |  |
Gross Carrying Amount at year end |  |  |
Land | 4,577us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MiamiIIIFLMember |  |
Building and Improvements | 12,177us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MiamiIIIFLMember |  |
Total | 16,754cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MiamiIIIFLMember |  |
Accumulated Depreciation | 3,073cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MiamiIIIFLMember |  |
Miami IV, FL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 76,337us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MiamiIVFLMember |  |
Initial cost |  |  |
Land | 1,852us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MiamiIVFLMember |  |
Building and Improvements | 10,494us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MiamiIVFLMember |  |
Costs Subsequent to Acquisition | 878cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MiamiIVFLMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,963us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MiamiIVFLMember |  |
Building and Improvements | 9,812us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MiamiIVFLMember |  |
Total | 11,775cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MiamiIVFLMember |  |
Accumulated Depreciation | 933cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MiamiIVFLMember |  |
Miramar, FL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 75,530us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MiramarFLMember |  |
Initial cost |  |  |
Land | 1,206us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MiramarFLMember |  |
Building and Improvements | 5,944us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MiramarFLMember |  |
Costs Subsequent to Acquisition | 50cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MiramarFLMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,206us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MiramarFLMember |  |
Building and Improvements | 5,995us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MiramarFLMember |  |
Total | 7,201cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MiramarFLMember |  |
Accumulated Depreciation | 697cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MiramarFLMember |  |
Naples I, FL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 48,150us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NaplesIFLMember |  |
Initial cost |  |  |
Land | 90us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NaplesIFLMember |  |
Building and Improvements | 1,010us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NaplesIFLMember |  |
Costs Subsequent to Acquisition | 2,509cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NaplesIFLMember |  |
Gross Carrying Amount at year end |  |  |
Land | 270us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NaplesIFLMember |  |
Building and Improvements | 3,139us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NaplesIFLMember |  |
Total | 3,409cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NaplesIFLMember |  |
Accumulated Depreciation | 1,362cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NaplesIFLMember |  |
Naples II, FL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 65,850us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NaplesIIFLMember |  |
Initial cost |  |  |
Land | 148us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NaplesIIFLMember |  |
Building and Improvements | 1,652us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NaplesIIFLMember |  |
Costs Subsequent to Acquisition | 4,320cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NaplesIIFLMember |  |
Gross Carrying Amount at year end |  |  |
Land | 558us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NaplesIIFLMember |  |
Building and Improvements | 5,278us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NaplesIIFLMember |  |
Total | 5,836cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NaplesIIFLMember |  |
Accumulated Depreciation | 2,162cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NaplesIIFLMember |  |
Naples III, FL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 80,021us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NaplesIIIFLMember |  |
Initial cost |  |  |
Land | 139us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NaplesIIIFLMember |  |
Building and Improvements | 1,561us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NaplesIIIFLMember |  |
Costs Subsequent to Acquisition | 4,090cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NaplesIIIFLMember |  |
Gross Carrying Amount at year end |  |  |
Land | 598us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NaplesIIIFLMember |  |
Building and Improvements | 4,340us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NaplesIIIFLMember |  |
Total | 4,938cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NaplesIIIFLMember |  |
Accumulated Depreciation | 2,100cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NaplesIIIFLMember |  |
Naples IV, FL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 40,550us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NaplesIVFLMember |  |
Initial cost |  |  |
Land | 262us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NaplesIVFLMember |  |
Building and Improvements | 2,980us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NaplesIVFLMember |  |
Costs Subsequent to Acquisition | 580cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NaplesIVFLMember |  |
Gross Carrying Amount at year end |  |  |
Land | 407us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NaplesIVFLMember |  |
Building and Improvements | 2,977us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NaplesIVFLMember |  |
Total | 3,384cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NaplesIVFLMember |  |
Accumulated Depreciation | 1,445cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NaplesIVFLMember |  |
New Smyrna Beach, FL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 81,454us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NewSmyrnaBeachFLMember |  |
Initial cost |  |  |
Land | 1,261us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NewSmyrnaBeachFLMember |  |
Building and Improvements | 6,215us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NewSmyrnaBeachFLMember |  |
Costs Subsequent to Acquisition | 1cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NewSmyrnaBeachFLMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,261us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NewSmyrnaBeachFLMember |  |
Building and Improvements | 6,215us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NewSmyrnaBeachFLMember |  |
Total | 7,476cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NewSmyrnaBeachFLMember |  |
Accumulated Depreciation | 33cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NewSmyrnaBeachFLMember |  |
Ocoee, FL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 76,250us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OcoeeFLMember |  |
Initial cost |  |  |
Land | 1,286us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OcoeeFLMember |  |
Building and Improvements | 3,705us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OcoeeFLMember |  |
Costs Subsequent to Acquisition | 176cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OcoeeFLMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,286us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OcoeeFLMember |  |
Building and Improvements | 3,364us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OcoeeFLMember |  |
Total | 4,650cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OcoeeFLMember |  |
Accumulated Depreciation | 880cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OcoeeFLMember |  |
Orange City, FL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 59,580us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OrangeCityFLMember |  |
Initial cost |  |  |
Land | 1,191us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OrangeCityFLMember |  |
Building and Improvements | 3,209us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OrangeCityFLMember |  |
Costs Subsequent to Acquisition | 205cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OrangeCityFLMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,191us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OrangeCityFLMember |  |
Building and Improvements | 2,926us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OrangeCityFLMember |  |
Total | 4,117cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OrangeCityFLMember |  |
Accumulated Depreciation | 823cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OrangeCityFLMember |  |
Orlando II, FL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 63,084us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OrlandoIIFLMember |  |
Initial cost |  |  |
Land | 1,589us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OrlandoIIFLMember |  |
Building and Improvements | 4,576us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OrlandoIIFLMember |  |
Costs Subsequent to Acquisition | 148cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OrlandoIIFLMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,589us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OrlandoIIFLMember |  |
Building and Improvements | 4,085us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OrlandoIIFLMember |  |
Total | 5,674cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OrlandoIIFLMember |  |
Accumulated Depreciation | 1,089cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OrlandoIIFLMember |  |
Orlando III, FL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 101,330us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OrlandoIIIFLMember |  |
Initial cost |  |  |
Land | 1,209us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OrlandoIIIFLMember |  |
Building and Improvements | 7,768us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OrlandoIIIFLMember |  |
Costs Subsequent to Acquisition | 646cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OrlandoIIIFLMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,209us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OrlandoIIIFLMember |  |
Building and Improvements | 7,028us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OrlandoIIIFLMember |  |
Total | 8,237cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OrlandoIIIFLMember |  |
Accumulated Depreciation | 1,546cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OrlandoIIIFLMember |  |
Orlando IV, FL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 76,565us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OrlandoIVFLMember |  |
Initial cost |  |  |
Land | 633us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OrlandoIVFLMember |  |
Building and Improvements | 3,587us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OrlandoIVFLMember |  |
Costs Subsequent to Acquisition | 102cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OrlandoIVFLMember |  |
Gross Carrying Amount at year end |  |  |
Land | 633us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OrlandoIVFLMember |  |
Building and Improvements | 3,185us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OrlandoIVFLMember |  |
Total | 3,818cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OrlandoIVFLMember |  |
Accumulated Depreciation | 337cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OrlandoIVFLMember |  |
Orlando V, FL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 75,358us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OrlandoVFLMember |  |
Initial cost |  |  |
Land | 950us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OrlandoVFLMember |  |
Building and Improvements | 4,685us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OrlandoVFLMember |  |
Costs Subsequent to Acquisition | 101cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OrlandoVFLMember |  |
Gross Carrying Amount at year end |  |  |
Land | 950us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OrlandoVFLMember |  |
Building and Improvements | 4,785us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OrlandoVFLMember |  |
Total | 5,735cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OrlandoVFLMember |  |
Accumulated Depreciation | 205cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OrlandoVFLMember |  |
Orlando VI, FL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 71,475us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OrlandoVIFLMember |  |
Initial cost |  |  |
Land | 640us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OrlandoVIFLMember |  |
Building and Improvements | 3,154us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OrlandoVIFLMember |  |
Costs Subsequent to Acquisition | 1cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OrlandoVIFLMember |  |
Gross Carrying Amount at year end |  |  |
Land | 640us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OrlandoVIFLMember |  |
Building and Improvements | 3,155us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OrlandoVIFLMember |  |
Total | 3,795cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OrlandoVIFLMember |  |
Accumulated Depreciation | 8cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OrlandoVIFLMember |  |
Oviedo, FL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 49,276us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OviedoFLMember |  |
Initial cost |  |  |
Land | 440us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OviedoFLMember |  |
Building and Improvements | 2,824us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OviedoFLMember |  |
Costs Subsequent to Acquisition | 551cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OviedoFLMember |  |
Gross Carrying Amount at year end |  |  |
Land | 440us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OviedoFLMember |  |
Building and Improvements | 2,704us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OviedoFLMember |  |
Total | 3,144cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OviedoFLMember |  |
Accumulated Depreciation | 620cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_OviedoFLMember |  |
Palm Coast I, FL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 47,400us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PalmCoastIFLMember |  |
Initial cost |  |  |
Land | 555us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PalmCoastIFLMember |  |
Building and Improvements | 2,735us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PalmCoastIFLMember |  |
Costs Subsequent to Acquisition | 60cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PalmCoastIFLMember |  |
Gross Carrying Amount at year end |  |  |
Land | 555us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PalmCoastIFLMember |  |
Building and Improvements | 2,795us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PalmCoastIFLMember |  |
Total | 3,350cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PalmCoastIFLMember |  |
Accumulated Depreciation | 22cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PalmCoastIFLMember |  |
Palm Coast II, FL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 122,490us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PalmCoastIIFLMember |  |
Encumbrances | 7,962us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PalmCoastIIFLMember |  |
Initial cost |  |  |
Land | 1,511us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PalmCoastIIFLMember |  |
Building and Improvements | 7,450us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PalmCoastIIFLMember |  |
Costs Subsequent to Acquisition | 250cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PalmCoastIIFLMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,511us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PalmCoastIIFLMember |  |
Building and Improvements | 7,700us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PalmCoastIIFLMember |  |
Total | 9,211cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PalmCoastIIFLMember |  |
Accumulated Depreciation | 63cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PalmCoastIIFLMember |  |
Pembroke Pines, FL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 67,321us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PembrokePinesFLMember |  |
Initial cost |  |  |
Land | 337us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PembrokePinesFLMember |  |
Building and Improvements | 3,772us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PembrokePinesFLMember |  |
Costs Subsequent to Acquisition | 2,745cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PembrokePinesFLMember |  |
Gross Carrying Amount at year end |  |  |
Land | 953us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PembrokePinesFLMember |  |
Building and Improvements | 5,375us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PembrokePinesFLMember |  |
Total | 6,328cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PembrokePinesFLMember |  |
Accumulated Depreciation | 3,171cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PembrokePinesFLMember |  |
Royal Palm Beach II, FL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 81,394us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RoyalPalmBeachIIFLMember |  |
Initial cost |  |  |
Land | 1,640us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RoyalPalmBeachIIFLMember |  |
Building and Improvements | 8,607us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RoyalPalmBeachIIFLMember |  |
Costs Subsequent to Acquisition | 225cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RoyalPalmBeachIIFLMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,640us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RoyalPalmBeachIIFLMember |  |
Building and Improvements | 7,171us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RoyalPalmBeachIIFLMember |  |
Total | 8,811cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RoyalPalmBeachIIFLMember |  |
Accumulated Depreciation | 1,478cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RoyalPalmBeachIIFLMember |  |
Sanford I, FL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 61,810us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanfordIFLMember |  |
Initial cost |  |  |
Land | 453us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanfordIFLMember |  |
Building and Improvements | 2,911us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanfordIFLMember |  |
Costs Subsequent to Acquisition | 164cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanfordIFLMember |  |
Gross Carrying Amount at year end |  |  |
Land | 453us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanfordIFLMember |  |
Building and Improvements | 2,509us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanfordIFLMember |  |
Total | 2,962cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanfordIFLMember |  |
Accumulated Depreciation | 589cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanfordIFLMember |  |
Sanford II, FL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 70,054us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanfordIIFLMember |  |
Initial cost |  |  |
Land | 1,003us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanfordIIFLMember |  |
Building and Improvements | 4,944us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanfordIIFLMember |  |
Costs Subsequent to Acquisition | 1cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanfordIIFLMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,003us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanfordIIFLMember |  |
Building and Improvements | 4,945us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanfordIIFLMember |  |
Total | 5,948cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanfordIIFLMember |  |
Accumulated Depreciation | 26cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanfordIIFLMember |  |
Sarasota, FL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 71,152us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SarasotaFLMember |  |
Initial cost |  |  |
Land | 333us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SarasotaFLMember |  |
Building and Improvements | 3,656us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SarasotaFLMember |  |
Costs Subsequent to Acquisition | 1,313cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SarasotaFLMember |  |
Gross Carrying Amount at year end |  |  |
Land | 529us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SarasotaFLMember |  |
Building and Improvements | 3,774us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SarasotaFLMember |  |
Total | 4,303cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SarasotaFLMember |  |
Accumulated Depreciation | 1,912cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SarasotaFLMember |  |
St. Augustine, FL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 59,725us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_StAugustineFLMember |  |
Initial cost |  |  |
Land | 135us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_StAugustineFLMember |  |
Building and Improvements | 1,515us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_StAugustineFLMember |  |
Costs Subsequent to Acquisition | 3,330cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_StAugustineFLMember |  |
Gross Carrying Amount at year end |  |  |
Land | 383us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_StAugustineFLMember |  |
Building and Improvements | 4,274us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_StAugustineFLMember |  |
Total | 4,657cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_StAugustineFLMember |  |
Accumulated Depreciation | 1,858cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_StAugustineFLMember |  |
Stuart, FL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 87,176us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_StuartFLMember |  |
Initial cost |  |  |
Land | 324us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_StuartFLMember |  |
Building and Improvements | 3,625us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_StuartFLMember |  |
Costs Subsequent to Acquisition | 3,070cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_StuartFLMember |  |
Gross Carrying Amount at year end |  |  |
Land | 685us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_StuartFLMember |  |
Building and Improvements | 5,762us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_StuartFLMember |  |
Total | 6,447cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_StuartFLMember |  |
Accumulated Depreciation | 2,504cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_StuartFLMember |  |
SW Ranches, FL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 64,955us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SWRanchesFLMember |  |
Initial cost |  |  |
Land | 1,390us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SWRanchesFLMember |  |
Building and Improvements | 7,598us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SWRanchesFLMember |  |
Costs Subsequent to Acquisition | 139cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SWRanchesFLMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,390us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SWRanchesFLMember |  |
Building and Improvements | 5,875us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SWRanchesFLMember |  |
Total | 7,265cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SWRanchesFLMember |  |
Accumulated Depreciation | 1,215cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SWRanchesFLMember |  |
Tampa, FL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 83,913us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TampaFLMember |  |
Initial cost |  |  |
Land | 2,670us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TampaFLMember |  |
Building and Improvements | 6,249us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TampaFLMember |  |
Costs Subsequent to Acquisition | 121cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TampaFLMember |  |
Gross Carrying Amount at year end |  |  |
Land | 2,670us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TampaFLMember |  |
Building and Improvements | 5,017us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TampaFLMember |  |
Total | 7,687cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TampaFLMember |  |
Accumulated Depreciation | 1,036cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TampaFLMember |  |
West Palm Beach I, FL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 68,061us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WestPalmBeachIFLMember |  |
Initial cost |  |  |
Land | 719us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WestPalmBeachIFLMember |  |
Building and Improvements | 3,420us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WestPalmBeachIFLMember |  |
Costs Subsequent to Acquisition | 1,547cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WestPalmBeachIFLMember |  |
Gross Carrying Amount at year end |  |  |
Land | 835us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WestPalmBeachIFLMember |  |
Building and Improvements | 3,992us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WestPalmBeachIFLMember |  |
Total | 4,827cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WestPalmBeachIFLMember |  |
Accumulated Depreciation | 1,439cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WestPalmBeachIFLMember |  |
West Palm Beach II, FL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 94,428us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WestPalmBeachIIFLMember |  |
Initial cost |  |  |
Land | 2,129us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WestPalmBeachIIFLMember |  |
Building and Improvements | 8,671us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WestPalmBeachIIFLMember |  |
Costs Subsequent to Acquisition | 356cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WestPalmBeachIIFLMember |  |
Gross Carrying Amount at year end |  |  |
Land | 2,129us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WestPalmBeachIIFLMember |  |
Building and Improvements | 7,724us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WestPalmBeachIIFLMember |  |
Total | 9,853cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WestPalmBeachIIFLMember |  |
Accumulated Depreciation | 2,173cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WestPalmBeachIIFLMember |  |
West Palm Beach III, FL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 77,664us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WestPalmBeachIIIFLMember |  |
Initial cost |  |  |
Land | 804us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WestPalmBeachIIIFLMember |  |
Building and Improvements | 3,962us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WestPalmBeachIIIFLMember |  |
Costs Subsequent to Acquisition | 41cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WestPalmBeachIIIFLMember |  |
Gross Carrying Amount at year end |  |  |
Land | 804us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WestPalmBeachIIIFLMember |  |
Building and Improvements | 4,002us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WestPalmBeachIIIFLMember |  |
Total | 4,806cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WestPalmBeachIIIFLMember |  |
Accumulated Depreciation | 168cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WestPalmBeachIIIFLMember |  |
West Palm Beach IV, FL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 102,912us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WestPalmBeachIVFLMember |  |
Initial cost |  |  |
Land | 1,499us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WestPalmBeachIVFLMember |  |
Building and Improvements | 7,392us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WestPalmBeachIVFLMember |  |
Costs Subsequent to Acquisition | 133cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WestPalmBeachIVFLMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,499us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WestPalmBeachIVFLMember |  |
Building and Improvements | 7,524us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WestPalmBeachIVFLMember |  |
Total | 9,023cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WestPalmBeachIVFLMember |  |
Accumulated Depreciation | 59cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WestPalmBeachIVFLMember |  |
Winter Park, FL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 54,356us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WinterParkFLMember |  |
Initial cost |  |  |
Land | 866us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WinterParkFLMember |  |
Building and Improvements | 4,268us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WinterParkFLMember |  |
Costs Subsequent to Acquisition | 1cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WinterParkFLMember |  |
Gross Carrying Amount at year end |  |  |
Land | 866us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WinterParkFLMember |  |
Building and Improvements | 4,269us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WinterParkFLMember |  |
Total | 5,135cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WinterParkFLMember |  |
Accumulated Depreciation | 23cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WinterParkFLMember |  |
Alpharetta, GA |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 90,501us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AlpharettaGAMember |  |
Initial cost |  |  |
Land | 806us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AlpharettaGAMember |  |
Building and Improvements | 4,720us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AlpharettaGAMember |  |
Costs Subsequent to Acquisition | 1,006cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AlpharettaGAMember |  |
Gross Carrying Amount at year end |  |  |
Land | 967us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AlpharettaGAMember |  |
Building and Improvements | 4,128us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AlpharettaGAMember |  |
Total | 5,095cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AlpharettaGAMember |  |
Accumulated Depreciation | 1,328cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AlpharettaGAMember |  |
Atlanta, GA |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 66,675us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AtlantaGAMember |  |
Initial cost |  |  |
Land | 822us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AtlantaGAMember |  |
Building and Improvements | 4,053us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AtlantaGAMember |  |
Costs Subsequent to Acquisition | 37cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AtlantaGAMember |  |
Gross Carrying Amount at year end |  |  |
Land | 822us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AtlantaGAMember |  |
Building and Improvements | 4,091us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AtlantaGAMember |  |
Total | 4,913cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AtlantaGAMember |  |
Accumulated Depreciation | 206cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AtlantaGAMember |  |
Austell, GA |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 83,675us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AustellGAMember |  |
Initial cost |  |  |
Land | 1,635us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AustellGAMember |  |
Building and Improvements | 4,711us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AustellGAMember |  |
Costs Subsequent to Acquisition | 201cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AustellGAMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,643us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AustellGAMember |  |
Building and Improvements | 4,257us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AustellGAMember |  |
Total | 5,900cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AustellGAMember |  |
Accumulated Depreciation | 973cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AustellGAMember |  |
Decatur, GA |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 145,280us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DecaturGAMember |  |
Initial cost |  |  |
Land | 616us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DecaturGAMember |  |
Building and Improvements | 6,776us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DecaturGAMember |  |
Costs Subsequent to Acquisition | 220cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DecaturGAMember |  |
Gross Carrying Amount at year end |  |  |
Land | 616us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DecaturGAMember |  |
Building and Improvements | 6,089us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DecaturGAMember |  |
Total | 6,705cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DecaturGAMember |  |
Accumulated Depreciation | 3,106cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DecaturGAMember |  |
Duluth, GA |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 70,885us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DuluthGAMember |  |
Initial cost |  |  |
Land | 373us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DuluthGAMember |  |
Building and Improvements | 2,044us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DuluthGAMember |  |
Costs Subsequent to Acquisition | 164cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DuluthGAMember |  |
Gross Carrying Amount at year end |  |  |
Land | 373us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DuluthGAMember |  |
Building and Improvements | 1,884us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DuluthGAMember |  |
Total | 2,257cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DuluthGAMember |  |
Accumulated Depreciation | 164cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DuluthGAMember |  |
Lawrenceville, GA |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 73,615us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LawrencevilleGAMember |  |
Initial cost |  |  |
Land | 546us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LawrencevilleGAMember |  |
Building and Improvements | 2,903us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LawrencevilleGAMember |  |
Costs Subsequent to Acquisition | 327cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LawrencevilleGAMember |  |
Gross Carrying Amount at year end |  |  |
Land | 546us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LawrencevilleGAMember |  |
Building and Improvements | 2,813us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LawrencevilleGAMember |  |
Total | 3,359cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LawrencevilleGAMember |  |
Accumulated Depreciation | 246cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LawrencevilleGAMember |  |
Norcross I, GA |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 85,420us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorcrossIGAMember |  |
Initial cost |  |  |
Land | 514us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorcrossIGAMember |  |
Building and Improvements | 2,930us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorcrossIGAMember |  |
Costs Subsequent to Acquisition | 817cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorcrossIGAMember |  |
Gross Carrying Amount at year end |  |  |
Land | 632us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorcrossIGAMember |  |
Building and Improvements | 3,017us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorcrossIGAMember |  |
Total | 3,649cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorcrossIGAMember |  |
Accumulated Depreciation | 1,201cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorcrossIGAMember |  |
Norcross II, GA |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 52,545us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorcrossIIGAMember |  |
Initial cost |  |  |
Land | 366us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorcrossIIGAMember |  |
Building and Improvements | 2,025us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorcrossIIGAMember |  |
Costs Subsequent to Acquisition | 154cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorcrossIIGAMember |  |
Gross Carrying Amount at year end |  |  |
Land | 366us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorcrossIIGAMember |  |
Building and Improvements | 1,895us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorcrossIIGAMember |  |
Total | 2,261cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorcrossIIGAMember |  |
Accumulated Depreciation | 165cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorcrossIIGAMember |  |
Norcross III, GA |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 47,220us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorcrossIIIGAMember |  |
Initial cost |  |  |
Land | 938us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorcrossIIIGAMember |  |
Building and Improvements | 4,625us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorcrossIIIGAMember |  |
Costs Subsequent to Acquisition | 51cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorcrossIIIGAMember |  |
Gross Carrying Amount at year end |  |  |
Land | 938us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorcrossIIIGAMember |  |
Building and Improvements | 4,677us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorcrossIIIGAMember |  |
Total | 5,615cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorcrossIIIGAMember |  |
Accumulated Depreciation | 310cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorcrossIIIGAMember |  |
Norcross IV, GA |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 57,505us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorcrossIVGAMember |  |
Initial cost |  |  |
Land | 576us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorcrossIVGAMember |  |
Building and Improvements | 2,839us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorcrossIVGAMember |  |
Costs Subsequent to Acquisition | 48cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorcrossIVGAMember |  |
Gross Carrying Amount at year end |  |  |
Land | 576us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorcrossIVGAMember |  |
Building and Improvements | 2,887us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorcrossIVGAMember |  |
Total | 3,463cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorcrossIVGAMember |  |
Accumulated Depreciation | 144cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorcrossIVGAMember |  |
Peachtree City I, GA |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 49,875us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PeachtreeCityIGAMember |  |
Initial cost |  |  |
Land | 435us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PeachtreeCityIGAMember |  |
Building and Improvements | 2,532us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PeachtreeCityIGAMember |  |
Costs Subsequent to Acquisition | 668cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PeachtreeCityIGAMember |  |
Gross Carrying Amount at year end |  |  |
Land | 529us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PeachtreeCityIGAMember |  |
Building and Improvements | 2,571us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PeachtreeCityIGAMember |  |
Total | 3,100cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PeachtreeCityIGAMember |  |
Accumulated Depreciation | 846cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PeachtreeCityIGAMember |  |
Peachtree City II, GA |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 59,950us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PeachtreeCityIIGAMember |  |
Initial cost |  |  |
Land | 398us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PeachtreeCityIIGAMember |  |
Building and Improvements | 1,963us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PeachtreeCityIIGAMember |  |
Costs Subsequent to Acquisition | 16cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PeachtreeCityIIGAMember |  |
Gross Carrying Amount at year end |  |  |
Land | 398us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PeachtreeCityIIGAMember |  |
Building and Improvements | 1,979us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PeachtreeCityIIGAMember |  |
Total | 2,377cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PeachtreeCityIIGAMember |  |
Accumulated Depreciation | 100cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PeachtreeCityIIGAMember |  |
Smyrna, GA |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 57,015us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SmyrnaGAMember |  |
Initial cost |  |  |
Land | 750us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SmyrnaGAMember |  |
Building and Improvements | 4,271us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SmyrnaGAMember |  |
Costs Subsequent to Acquisition | 242cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SmyrnaGAMember |  |
Gross Carrying Amount at year end |  |  |
Land | 750us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SmyrnaGAMember |  |
Building and Improvements | 3,483us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SmyrnaGAMember |  |
Total | 4,233cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SmyrnaGAMember |  |
Accumulated Depreciation | 1,130cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SmyrnaGAMember |  |
Snellville, GA |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 79,950us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SnellvilleGAMember |  |
Initial cost |  |  |
Land | 1,660us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SnellvilleGAMember |  |
Building and Improvements | 4,781us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SnellvilleGAMember |  |
Costs Subsequent to Acquisition | 319cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SnellvilleGAMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,660us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SnellvilleGAMember |  |
Building and Improvements | 4,438us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SnellvilleGAMember |  |
Total | 6,098cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SnellvilleGAMember |  |
Accumulated Depreciation | 942cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SnellvilleGAMember |  |
Suwanee I, GA |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 85,125us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SuwaneeIGAMember |  |
Initial cost |  |  |
Land | 1,737us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SuwaneeIGAMember |  |
Building and Improvements | 5,010us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SuwaneeIGAMember |  |
Costs Subsequent to Acquisition | 282cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SuwaneeIGAMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,737us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SuwaneeIGAMember |  |
Building and Improvements | 4,593us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SuwaneeIGAMember |  |
Total | 6,330cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SuwaneeIGAMember |  |
Accumulated Depreciation | 990cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SuwaneeIGAMember |  |
Suwanee II, GA |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 79,590us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SuwaneeIIGAMember |  |
Initial cost |  |  |
Land | 800us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SuwaneeIIGAMember |  |
Building and Improvements | 6,942us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SuwaneeIIGAMember |  |
Costs Subsequent to Acquisition | 37cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SuwaneeIIGAMember |  |
Gross Carrying Amount at year end |  |  |
Land | 622us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SuwaneeIIGAMember |  |
Building and Improvements | 5,775us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SuwaneeIIGAMember |  |
Total | 6,397cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SuwaneeIIGAMember |  |
Accumulated Depreciation | 1,196cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SuwaneeIIGAMember |  |
Addison, IL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 31,325us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AddisonILMember |  |
Initial cost |  |  |
Land | 428us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AddisonILMember |  |
Building and Improvements | 3,531us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AddisonILMember |  |
Costs Subsequent to Acquisition | 341cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AddisonILMember |  |
Gross Carrying Amount at year end |  |  |
Land | 428us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AddisonILMember |  |
Building and Improvements | 3,372us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AddisonILMember |  |
Total | 3,800cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AddisonILMember |  |
Accumulated Depreciation | 934cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AddisonILMember |  |
Aurora, IL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 73,985us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AuroraILMember |  |
Initial cost |  |  |
Land | 644us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AuroraILMember |  |
Building and Improvements | 3,652us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AuroraILMember |  |
Costs Subsequent to Acquisition | 153cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AuroraILMember |  |
Gross Carrying Amount at year end |  |  |
Land | 644us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AuroraILMember |  |
Building and Improvements | 3,285us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AuroraILMember |  |
Total | 3,929cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AuroraILMember |  |
Accumulated Depreciation | 919cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AuroraILMember |  |
Bartlett, IL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 51,425us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BartlettILMember |  |
Initial cost |  |  |
Land | 931us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BartlettILMember |  |
Building and Improvements | 2,493us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BartlettILMember |  |
Costs Subsequent to Acquisition | 278cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BartlettILMember |  |
Gross Carrying Amount at year end |  |  |
Land | 931us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BartlettILMember |  |
Building and Improvements | 2,389us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BartlettILMember |  |
Total | 3,320cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BartlettILMember |  |
Accumulated Depreciation | 654cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BartlettILMember |  |
Bellwood, IL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 86,550us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BellwoodILMember |  |
Initial cost |  |  |
Land | 1,012us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BellwoodILMember |  |
Building and Improvements | 5,768us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BellwoodILMember |  |
Costs Subsequent to Acquisition | 805cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BellwoodILMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,012us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BellwoodILMember |  |
Building and Improvements | 5,275us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BellwoodILMember |  |
Total | 6,287cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BellwoodILMember |  |
Accumulated Depreciation | 1,820cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BellwoodILMember |  |
Bolingbrook, IL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 80,070us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BolingbrookILMember |  |
Initial cost |  |  |
Land | 1,675us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BolingbrookILMember |  |
Building and Improvements | 8,254us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BolingbrookILMember |  |
Costs Subsequent to Acquisition | 4cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BolingbrookILMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,675us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BolingbrookILMember |  |
Building and Improvements | 8,259us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BolingbrookILMember |  |
Total | 9,934cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BolingbrookILMember |  |
Accumulated Depreciation | 44cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BolingbrookILMember |  |
Chicago I, IL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 95,715us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ChicagoIILMember |  |
Initial cost |  |  |
Land | 2,667us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ChicagoIILMember |  |
Building and Improvements | 13,118us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ChicagoIILMember |  |
Costs Subsequent to Acquisition | 1cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ChicagoIILMember |  |
Gross Carrying Amount at year end |  |  |
Land | 2,667us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ChicagoIILMember |  |
Building and Improvements | 13,118us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ChicagoIILMember |  |
Total | 15,785cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ChicagoIILMember |  |
Accumulated Depreciation | 69cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ChicagoIILMember |  |
Chicago II, IL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 78,980us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ChicagoIIILMember |  |
Initial cost |  |  |
Land | 833us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ChicagoIIILMember |  |
Building and Improvements | 4,035us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ChicagoIIILMember |  |
Costs Subsequent to Acquisition | 1cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ChicagoIIILMember |  |
Gross Carrying Amount at year end |  |  |
Land | 833us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ChicagoIIILMember |  |
Building and Improvements | 4,036us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ChicagoIIILMember |  |
Total | 4,869cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ChicagoIIILMember |  |
Accumulated Depreciation | 21cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ChicagoIIILMember |  |
Chicago III, IL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 84,964us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ChicagoIIIILMember |  |
Initial cost |  |  |
Land | 2,427us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ChicagoIIIILMember |  |
Building and Improvements | 11,962us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ChicagoIIIILMember |  |
Costs Subsequent to Acquisition | 1cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ChicagoIIIILMember |  |
Gross Carrying Amount at year end |  |  |
Land | 2,427us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ChicagoIIIILMember |  |
Building and Improvements | 11,963us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ChicagoIIIILMember |  |
Total | 14,390cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ChicagoIIIILMember |  |
Accumulated Depreciation | 63cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ChicagoIIIILMember |  |
Countryside, IL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 99,931us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CountrysideILMember |  |
Initial cost |  |  |
Land | 2,607us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CountrysideILMember |  |
Building and Improvements | 12,684us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CountrysideILMember |  |
Costs Subsequent to Acquisition | 2cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CountrysideILMember |  |
Gross Carrying Amount at year end |  |  |
Land | 2,607us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CountrysideILMember |  |
Building and Improvements | 12,687us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CountrysideILMember |  |
Total | 15,294cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CountrysideILMember |  |
Accumulated Depreciation | 67cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CountrysideILMember |  |
Des Plaines, IL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 69,600us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DesPlainesILMember |  |
Initial cost |  |  |
Land | 1,564us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DesPlainesILMember |  |
Building and Improvements | 4,327us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DesPlainesILMember |  |
Costs Subsequent to Acquisition | 519cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DesPlainesILMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,564us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DesPlainesILMember |  |
Building and Improvements | 4,207us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DesPlainesILMember |  |
Total | 5,771cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DesPlainesILMember |  |
Accumulated Depreciation | 1,150cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DesPlainesILMember |  |
Elk Grove Village, IL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 64,104us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ElkGroveVillageILMember |  |
Initial cost |  |  |
Land | 1,446us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ElkGroveVillageILMember |  |
Building and Improvements | 3,535us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ElkGroveVillageILMember |  |
Costs Subsequent to Acquisition | 285cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ElkGroveVillageILMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,446us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ElkGroveVillageILMember |  |
Building and Improvements | 3,292us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ElkGroveVillageILMember |  |
Total | 4,738cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ElkGroveVillageILMember |  |
Accumulated Depreciation | 946cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ElkGroveVillageILMember |  |
Evanston, IL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 58,050us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_EvanstonILMember |  |
Initial cost |  |  |
Land | 1,103us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_EvanstonILMember |  |
Building and Improvements | 5,440us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_EvanstonILMember |  |
Costs Subsequent to Acquisition | 184cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_EvanstonILMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,103us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_EvanstonILMember |  |
Building and Improvements | 5,623us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_EvanstonILMember |  |
Total | 6,726cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_EvanstonILMember |  |
Accumulated Depreciation | 964cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_EvanstonILMember |  |
Glenview, IL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 100,085us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GlenviewILMember |  |
Initial cost |  |  |
Land | 3,740us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GlenviewILMember |  |
Building and Improvements | 10,367us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GlenviewILMember |  |
Costs Subsequent to Acquisition | 559cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GlenviewILMember |  |
Gross Carrying Amount at year end |  |  |
Land | 3,740us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GlenviewILMember |  |
Building and Improvements | 9,461us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GlenviewILMember |  |
Total | 13,201cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GlenviewILMember |  |
Accumulated Depreciation | 2,599cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GlenviewILMember |  |
Gurnee, IL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 80,300us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GurneeILMember |  |
Initial cost |  |  |
Land | 1,521us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GurneeILMember |  |
Building and Improvements | 5,440us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GurneeILMember |  |
Costs Subsequent to Acquisition | 263cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GurneeILMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,521us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GurneeILMember |  |
Building and Improvements | 4,940us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GurneeILMember |  |
Total | 6,461cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GurneeILMember |  |
Accumulated Depreciation | 1,414cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GurneeILMember |  |
Hanover, IL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 41,190us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HanoverILMember |  |
Initial cost |  |  |
Land | 1,126us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HanoverILMember |  |
Building and Improvements | 2,197us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HanoverILMember |  |
Costs Subsequent to Acquisition | 261cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HanoverILMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,126us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HanoverILMember |  |
Building and Improvements | 2,119us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HanoverILMember |  |
Total | 3,245cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HanoverILMember |  |
Accumulated Depreciation | 583cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HanoverILMember |  |
Harvey, IL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 60,090us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HarveyILMember |  |
Initial cost |  |  |
Land | 869us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HarveyILMember |  |
Building and Improvements | 3,635us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HarveyILMember |  |
Costs Subsequent to Acquisition | 208cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HarveyILMember |  |
Gross Carrying Amount at year end |  |  |
Land | 869us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HarveyILMember |  |
Building and Improvements | 3,304us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HarveyILMember |  |
Total | 4,173cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HarveyILMember |  |
Accumulated Depreciation | 923cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HarveyILMember |  |
Joliet, IL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 72,865us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_JolietILMember |  |
Initial cost |  |  |
Land | 547us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_JolietILMember |  |
Building and Improvements | 4,704us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_JolietILMember |  |
Costs Subsequent to Acquisition | 229cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_JolietILMember |  |
Gross Carrying Amount at year end |  |  |
Land | 547us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_JolietILMember |  |
Building and Improvements | 4,274us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_JolietILMember |  |
Total | 4,821cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_JolietILMember |  |
Accumulated Depreciation | 1,195cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_JolietILMember |  |
Kildeer, IL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 46,485us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_KildeerILMember |  |
Initial cost |  |  |
Land | 2,102us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_KildeerILMember |  |
Building and Improvements | 2,187us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_KildeerILMember |  |
Costs Subsequent to Acquisition | 217cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_KildeerILMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,997us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_KildeerILMember |  |
Building and Improvements | 2,203us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_KildeerILMember |  |
Total | 4,200cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_KildeerILMember |  |
Accumulated Depreciation | 584cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_KildeerILMember |  |
Lombard, IL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 57,691us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LombardILMember |  |
Initial cost |  |  |
Land | 1,305us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LombardILMember |  |
Building and Improvements | 3,938us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LombardILMember |  |
Costs Subsequent to Acquisition | 659cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LombardILMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,305us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LombardILMember |  |
Building and Improvements | 3,996us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LombardILMember |  |
Total | 5,301cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LombardILMember |  |
Accumulated Depreciation | 1,158cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LombardILMember |  |
Mount Prospect, IL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 65,000us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MountProspectILMember |  |
Initial cost |  |  |
Land | 1,701us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MountProspectILMember |  |
Building and Improvements | 3,114us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MountProspectILMember |  |
Costs Subsequent to Acquisition | 412cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MountProspectILMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,701us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MountProspectILMember |  |
Building and Improvements | 3,074us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MountProspectILMember |  |
Total | 4,775cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MountProspectILMember |  |
Accumulated Depreciation | 827cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MountProspectILMember |  |
Mundelein, IL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 44,700us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MundeleinILMember |  |
Initial cost |  |  |
Land | 1,498us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MundeleinILMember |  |
Building and Improvements | 2,782us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MundeleinILMember |  |
Costs Subsequent to Acquisition | 236cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MundeleinILMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,498us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MundeleinILMember |  |
Building and Improvements | 2,606us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MundeleinILMember |  |
Total | 4,104cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MundeleinILMember |  |
Accumulated Depreciation | 715cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MundeleinILMember |  |
North Chicago, IL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 53,400us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorthChicagoILMember |  |
Initial cost |  |  |
Land | 1,073us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorthChicagoILMember |  |
Building and Improvements | 3,006us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorthChicagoILMember |  |
Costs Subsequent to Acquisition | 370cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorthChicagoILMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,073us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorthChicagoILMember |  |
Building and Improvements | 2,891us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorthChicagoILMember |  |
Total | 3,964cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorthChicagoILMember |  |
Accumulated Depreciation | 810cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorthChicagoILMember |  |
Plainfield I, IL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 53,900us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PlainfieldIILMember |  |
Initial cost |  |  |
Land | 1,770us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PlainfieldIILMember |  |
Building and Improvements | 1,715us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PlainfieldIILMember |  |
Costs Subsequent to Acquisition | 237cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PlainfieldIILMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,740us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PlainfieldIILMember |  |
Building and Improvements | 1,660us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PlainfieldIILMember |  |
Total | 3,400cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PlainfieldIILMember |  |
Accumulated Depreciation | 452cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PlainfieldIILMember |  |
Plainfield II, IL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 51,900us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PlainfieldIIILMember |  |
Initial cost |  |  |
Land | 694us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PlainfieldIIILMember |  |
Building and Improvements | 2,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PlainfieldIIILMember |  |
Costs Subsequent to Acquisition | 153cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PlainfieldIIILMember |  |
Gross Carrying Amount at year end |  |  |
Land | 694us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PlainfieldIIILMember |  |
Building and Improvements | 1,820us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PlainfieldIIILMember |  |
Total | 2,514cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PlainfieldIIILMember |  |
Accumulated Depreciation | 476cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PlainfieldIIILMember |  |
Schaumburg, IL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 31,160us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SchaumburgILMember |  |
Initial cost |  |  |
Land | 538us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SchaumburgILMember |  |
Building and Improvements | 645us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SchaumburgILMember |  |
Costs Subsequent to Acquisition | 183cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SchaumburgILMember |  |
Gross Carrying Amount at year end |  |  |
Land | 538us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SchaumburgILMember |  |
Building and Improvements | 692us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SchaumburgILMember |  |
Total | 1,230cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SchaumburgILMember |  |
Accumulated Depreciation | 184cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SchaumburgILMember |  |
Streamwood, IL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 64,305us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_StreamwoodILMember |  |
Initial cost |  |  |
Land | 1,447us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_StreamwoodILMember |  |
Building and Improvements | 1,662us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_StreamwoodILMember |  |
Costs Subsequent to Acquisition | 352cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_StreamwoodILMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,447us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_StreamwoodILMember |  |
Building and Improvements | 1,703us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_StreamwoodILMember |  |
Total | 3,150cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_StreamwoodILMember |  |
Accumulated Depreciation | 470cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_StreamwoodILMember |  |
Warrenville, IL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 48,796us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WarrenvilleILMember |  |
Initial cost |  |  |
Land | 1,066us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WarrenvilleILMember |  |
Building and Improvements | 3,072us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WarrenvilleILMember |  |
Costs Subsequent to Acquisition | 222cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WarrenvilleILMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,066us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WarrenvilleILMember |  |
Building and Improvements | 2,862us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WarrenvilleILMember |  |
Total | 3,928cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WarrenvilleILMember |  |
Accumulated Depreciation | 745cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WarrenvilleILMember |  |
Waukegan, IL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 79,500us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WaukeganILMember |  |
Initial cost |  |  |
Land | 1,198us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WaukeganILMember |  |
Building and Improvements | 4,363us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WaukeganILMember |  |
Costs Subsequent to Acquisition | 337cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WaukeganILMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,198us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WaukeganILMember |  |
Building and Improvements | 4,047us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WaukeganILMember |  |
Total | 5,245cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WaukeganILMember |  |
Accumulated Depreciation | 1,138cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WaukeganILMember |  |
West Chicago, IL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 48,175us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WestChicagoILMember |  |
Initial cost |  |  |
Land | 1,071us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WestChicagoILMember |  |
Building and Improvements | 2,249us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WestChicagoILMember |  |
Costs Subsequent to Acquisition | 341cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WestChicagoILMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,071us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WestChicagoILMember |  |
Building and Improvements | 2,232us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WestChicagoILMember |  |
Total | 3,303cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WestChicagoILMember |  |
Accumulated Depreciation | 605cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WestChicagoILMember |  |
Westmont, IL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 53,150us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WestmontILMember |  |
Initial cost |  |  |
Land | 1,155us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WestmontILMember |  |
Building and Improvements | 3,873us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WestmontILMember |  |
Costs Subsequent to Acquisition | 226cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WestmontILMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,155us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WestmontILMember |  |
Building and Improvements | 3,559us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WestmontILMember |  |
Total | 4,714cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WestmontILMember |  |
Accumulated Depreciation | 974cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WestmontILMember |  |
Wheeling I, IL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 54,210us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WheelingIILMember |  |
Initial cost |  |  |
Land | 857us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WheelingIILMember |  |
Building and Improvements | 3,213us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WheelingIILMember |  |
Costs Subsequent to Acquisition | 325cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WheelingIILMember |  |
Gross Carrying Amount at year end |  |  |
Land | 857us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WheelingIILMember |  |
Building and Improvements | 3,065us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WheelingIILMember |  |
Total | 3,922cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WheelingIILMember |  |
Accumulated Depreciation | 858cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WheelingIILMember |  |
Wheeling II, IL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 67,825us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WheelingIIILMember |  |
Initial cost |  |  |
Land | 793us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WheelingIIILMember |  |
Building and Improvements | 3,816us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WheelingIIILMember |  |
Costs Subsequent to Acquisition | 451cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WheelingIIILMember |  |
Gross Carrying Amount at year end |  |  |
Land | 793us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WheelingIIILMember |  |
Building and Improvements | 3,716us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WheelingIIILMember |  |
Total | 4,509cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WheelingIIILMember |  |
Accumulated Depreciation | 1,036cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WheelingIIILMember |  |
Woodridge, IL |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 50,232us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WoodridgeILMember |  |
Initial cost |  |  |
Land | 943us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WoodridgeILMember |  |
Building and Improvements | 3,397us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WoodridgeILMember |  |
Costs Subsequent to Acquisition | 182cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WoodridgeILMember |  |
Gross Carrying Amount at year end |  |  |
Land | 943us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WoodridgeILMember |  |
Building and Improvements | 3,103us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WoodridgeILMember |  |
Total | 4,046cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WoodridgeILMember |  |
Accumulated Depreciation | 870cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WoodridgeILMember |  |
Schererville, IN |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 67,280us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ScherervilleINMember |  |
Initial cost |  |  |
Land | 1,134us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ScherervilleINMember |  |
Building and Improvements | 5,589us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ScherervilleINMember |  |
Costs Subsequent to Acquisition | 21cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ScherervilleINMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,134us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ScherervilleINMember |  |
Building and Improvements | 5,611us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ScherervilleINMember |  |
Total | 6,745cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ScherervilleINMember |  |
Accumulated Depreciation | 45cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ScherervilleINMember |  |
Boston I, MA |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 33,286us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BostonIMAMember |  |
Initial cost |  |  |
Land | 538us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BostonIMAMember |  |
Building and Improvements | 3,048us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BostonIMAMember |  |
Costs Subsequent to Acquisition | 107cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BostonIMAMember |  |
Gross Carrying Amount at year end |  |  |
Land | 538us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BostonIMAMember |  |
Building and Improvements | 2,731us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BostonIMAMember |  |
Total | 3,269cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BostonIMAMember |  |
Accumulated Depreciation | 294cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BostonIMAMember |  |
Boston II, MA |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 60,420us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BostonIIMAMember |  |
Initial cost |  |  |
Land | 1,516us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BostonIIMAMember |  |
Building and Improvements | 8,628us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BostonIIMAMember |  |
Costs Subsequent to Acquisition | 333cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BostonIIMAMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,516us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BostonIIMAMember |  |
Building and Improvements | 7,125us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BostonIIMAMember |  |
Total | 8,641cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BostonIIMAMember |  |
Accumulated Depreciation | 2,410cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BostonIIMAMember |  |
Boston III, MA |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 108,205us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BostonIIIMaMember |  |
Initial cost |  |  |
Land | 3,211us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BostonIIIMaMember |  |
Building and Improvements | 15,829us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BostonIIIMaMember |  |
Costs Subsequent to Acquisition | 2cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BostonIIIMaMember |  |
Gross Carrying Amount at year end |  |  |
Land | 3,211us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BostonIIIMaMember |  |
Building and Improvements | 15,831us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BostonIIIMaMember |  |
Total | 19,042cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BostonIIIMaMember |  |
Accumulated Depreciation | 126cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BostonIIIMaMember |  |
Leominster, MA |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 54,023us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LeominsterMAMember |  |
Initial cost |  |  |
Land | 90us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LeominsterMAMember |  |
Building and Improvements | 1,519us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LeominsterMAMember |  |
Costs Subsequent to Acquisition | 2,445cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LeominsterMAMember |  |
Gross Carrying Amount at year end |  |  |
Land | 338us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LeominsterMAMember |  |
Building and Improvements | 3,346us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LeominsterMAMember |  |
Total | 3,684cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LeominsterMAMember |  |
Accumulated Depreciation | 1,621cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LeominsterMAMember |  |
Medford, MA |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 58,725us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MedfordMAMember |  |
Initial cost |  |  |
Land | 1,330us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MedfordMAMember |  |
Building and Improvements | 7,165us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MedfordMAMember |  |
Costs Subsequent to Acquisition | 241cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MedfordMAMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,330us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MedfordMAMember |  |
Building and Improvements | 5,928us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MedfordMAMember |  |
Total | 7,258cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MedfordMAMember |  |
Accumulated Depreciation | 1,188cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MedfordMAMember |  |
Stoneham, MA |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 60,900us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_StonehamMAMember |  |
Initial cost |  |  |
Land | 1,558us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_StonehamMAMember |  |
Building and Improvements | 7,679us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_StonehamMAMember |  |
Costs Subsequent to Acquisition | 62cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_StonehamMAMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,558us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_StonehamMAMember |  |
Building and Improvements | 7,741us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_StonehamMAMember |  |
Total | 9,299cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_StonehamMAMember |  |
Accumulated Depreciation | 1,176cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_StonehamMAMember |  |
Tewksbury, MA |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 61,832us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TewksburyMaMember |  |
Initial cost |  |  |
Land | 1,537us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TewksburyMaMember |  |
Building and Improvements | 7,579us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TewksburyMaMember |  |
Costs Subsequent to Acquisition | 14cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TewksburyMaMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,537us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TewksburyMaMember |  |
Building and Improvements | 7,593us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TewksburyMaMember |  |
Total | 9,130cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TewksburyMaMember |  |
Accumulated Depreciation | 60cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TewksburyMaMember |  |
Baltimore, MD |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 93,550us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BaltimoreMDMember |  |
Initial cost |  |  |
Land | 1,050us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BaltimoreMDMember |  |
Building and Improvements | 5,997us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BaltimoreMDMember |  |
Costs Subsequent to Acquisition | 1,285cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BaltimoreMDMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,173us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BaltimoreMDMember |  |
Building and Improvements | 5,857us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BaltimoreMDMember |  |
Total | 7,030cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BaltimoreMDMember |  |
Accumulated Depreciation | 2,132cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BaltimoreMDMember |  |
Beltsville, MD |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 63,707us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BeltsvilleMDMember |  |
Initial cost |  |  |
Land | 1,277us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BeltsvilleMDMember |  |
Building and Improvements | 6,295us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BeltsvilleMDMember |  |
Costs Subsequent to Acquisition | 41cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BeltsvilleMDMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,277us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BeltsvilleMDMember |  |
Building and Improvements | 6,335us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BeltsvilleMDMember |  |
Total | 7,612cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BeltsvilleMDMember |  |
Accumulated Depreciation | 2,053cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BeltsvilleMDMember |  |
California, MD |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 77,840us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CaliforniaMDMember |  |
Initial cost |  |  |
Land | 1,486us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CaliforniaMDMember |  |
Building and Improvements | 4,280us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CaliforniaMDMember |  |
Costs Subsequent to Acquisition | 169cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CaliforniaMDMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,486us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CaliforniaMDMember |  |
Building and Improvements | 3,857us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CaliforniaMDMember |  |
Total | 5,343cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CaliforniaMDMember |  |
Accumulated Depreciation | 1,079cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CaliforniaMDMember |  |
Clinton, MD |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 84,225us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ClintonMDMember |  |
Encumbrances | 8,427us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ClintonMDMember |  |
Initial cost |  |  |
Land | 2,182us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ClintonMDMember |  |
Building and Improvements | 10,757us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ClintonMDMember |  |
Costs Subsequent to Acquisition | 26cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ClintonMDMember |  |
Gross Carrying Amount at year end |  |  |
Land | 2,182us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ClintonMDMember |  |
Building and Improvements | 10,782us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ClintonMDMember |  |
Total | 12,964cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ClintonMDMember |  |
Accumulated Depreciation | 1,043cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ClintonMDMember |  |
District Heights, MD |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 78,490us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DistrictHeightsMDMember |  |
Initial cost |  |  |
Land | 1,527us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DistrictHeightsMDMember |  |
Building and Improvements | 8,313us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DistrictHeightsMDMember |  |
Costs Subsequent to Acquisition | 460cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DistrictHeightsMDMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,527us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DistrictHeightsMDMember |  |
Building and Improvements | 7,648us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DistrictHeightsMDMember |  |
Total | 9,175cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DistrictHeightsMDMember |  |
Accumulated Depreciation | 626cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DistrictHeightsMDMember |  |
Elkridge, MD |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 63,525us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ElkridgeMDMember |  |
Initial cost |  |  |
Land | 1,155us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ElkridgeMDMember |  |
Building and Improvements | 5,695us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ElkridgeMDMember |  |
Costs Subsequent to Acquisition | 120cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ElkridgeMDMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,155us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ElkridgeMDMember |  |
Building and Improvements | 5,815us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ElkridgeMDMember |  |
Total | 6,970cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ElkridgeMDMember |  |
Accumulated Depreciation | 382cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ElkridgeMDMember |  |
Gaithersburg, MD |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 87,045us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GaithersburgMDMember |  |
Initial cost |  |  |
Land | 3,124us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GaithersburgMDMember |  |
Building and Improvements | 9,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GaithersburgMDMember |  |
Costs Subsequent to Acquisition | 392cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GaithersburgMDMember |  |
Gross Carrying Amount at year end |  |  |
Land | 3,124us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GaithersburgMDMember |  |
Building and Improvements | 8,132us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GaithersburgMDMember |  |
Total | 11,256cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GaithersburgMDMember |  |
Accumulated Depreciation | 2,256cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GaithersburgMDMember |  |
Hyattsville, MD |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 52,765us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HyattsvilleMDMember |  |
Initial cost |  |  |
Land | 1,113us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HyattsvilleMDMember |  |
Building and Improvements | 5,485us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HyattsvilleMDMember |  |
Costs Subsequent to Acquisition | 33cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HyattsvilleMDMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,113us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HyattsvilleMDMember |  |
Building and Improvements | 5,519us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HyattsvilleMDMember |  |
Total | 6,632cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HyattsvilleMDMember |  |
Accumulated Depreciation | 2,085cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HyattsvilleMDMember |  |
Laurel, MD |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 162,696us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LaurelMDMember |  |
Initial cost |  |  |
Land | 1,409us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LaurelMDMember |  |
Building and Improvements | 8,035us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LaurelMDMember |  |
Costs Subsequent to Acquisition | 3,592cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LaurelMDMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,928us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LaurelMDMember |  |
Building and Improvements | 9,521us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LaurelMDMember |  |
Total | 11,449cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LaurelMDMember |  |
Accumulated Depreciation | 3,297cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LaurelMDMember |  |
Temple Hills I, MD |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 97,150us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TempleHillsIMDMember |  |
Initial cost |  |  |
Land | 1,541us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TempleHillsIMDMember |  |
Building and Improvements | 8,788us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TempleHillsIMDMember |  |
Costs Subsequent to Acquisition | 2,391cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TempleHillsIMDMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,800us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TempleHillsIMDMember |  |
Building and Improvements | 9,333us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TempleHillsIMDMember |  |
Total | 11,133cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TempleHillsIMDMember |  |
Accumulated Depreciation | 3,743cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TempleHillsIMDMember |  |
Temple Hills II, MD |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 84,100us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TempleHillsIIMDMember |  |
Encumbrances | 7,466us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TempleHillsIIMDMember |  |
Initial cost |  |  |
Land | 2,229us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TempleHillsIIMDMember |  |
Building and Improvements | 10,988us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TempleHillsIIMDMember |  |
Costs Subsequent to Acquisition | 15cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TempleHillsIIMDMember |  |
Gross Carrying Amount at year end |  |  |
Land | 2,229us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TempleHillsIIMDMember |  |
Building and Improvements | 11,003us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TempleHillsIIMDMember |  |
Total | 13,232cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TempleHillsIIMDMember |  |
Accumulated Depreciation | 88cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TempleHillsIIMDMember |  |
Timonium, MD |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 66,717us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TimoniumMDMember |  |
Encumbrances | 7,919us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TimoniumMDMember |  |
Initial cost |  |  |
Land | 2,269us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TimoniumMDMember |  |
Building and Improvements | 11,184us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TimoniumMDMember |  |
Costs Subsequent to Acquisition | 36cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TimoniumMDMember |  |
Gross Carrying Amount at year end |  |  |
Land | 2,269us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TimoniumMDMember |  |
Building and Improvements | 11,220us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TimoniumMDMember |  |
Total | 13,489cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TimoniumMDMember |  |
Accumulated Depreciation | 89cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TimoniumMDMember |  |
Upper Marlboro, MD |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 62,290us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_UpperMarlboroMDMember |  |
Initial cost |  |  |
Land | 1,309us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_UpperMarlboroMDMember |  |
Building and Improvements | 6,455us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_UpperMarlboroMDMember |  |
Costs Subsequent to Acquisition | 59cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_UpperMarlboroMDMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,309us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_UpperMarlboroMDMember |  |
Building and Improvements | 6,513us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_UpperMarlboroMDMember |  |
Total | 7,822cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_UpperMarlboroMDMember |  |
Accumulated Depreciation | 3,569cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_UpperMarlboroMDMember |  |
Belmont, NC |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 81,850us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BelmontNCMember |  |
Initial cost |  |  |
Land | 385us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BelmontNCMember |  |
Building and Improvements | 2,196us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BelmontNCMember |  |
Costs Subsequent to Acquisition | 834cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BelmontNCMember |  |
Gross Carrying Amount at year end |  |  |
Land | 451us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BelmontNCMember |  |
Building and Improvements | 2,349us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BelmontNCMember |  |
Total | 2,800cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BelmontNCMember |  |
Accumulated Depreciation | 783cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BelmontNCMember |  |
Burlington I, NC |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 109,396us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BurlingtonINCMember |  |
Initial cost |  |  |
Land | 498us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BurlingtonINCMember |  |
Building and Improvements | 2,837us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BurlingtonINCMember |  |
Costs Subsequent to Acquisition | 706cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BurlingtonINCMember |  |
Gross Carrying Amount at year end |  |  |
Land | 498us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BurlingtonINCMember |  |
Building and Improvements | 2,910us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BurlingtonINCMember |  |
Total | 3,408cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BurlingtonINCMember |  |
Accumulated Depreciation | 1,008cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BurlingtonINCMember |  |
Burlington II, NC |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 42,165us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BurlingtonIINCMember |  |
Initial cost |  |  |
Land | 320us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BurlingtonIINCMember |  |
Building and Improvements | 1,829us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BurlingtonIINCMember |  |
Costs Subsequent to Acquisition | 363cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BurlingtonIINCMember |  |
Gross Carrying Amount at year end |  |  |
Land | 340us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BurlingtonIINCMember |  |
Building and Improvements | 1,760us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BurlingtonIINCMember |  |
Total | 2,100cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BurlingtonIINCMember |  |
Accumulated Depreciation | 605cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BurlingtonIINCMember |  |
Cary, NC |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 112,402us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CaryNCMember |  |
Initial cost |  |  |
Land | 543us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CaryNCMember |  |
Building and Improvements | 3,097us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CaryNCMember |  |
Costs Subsequent to Acquisition | 670cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CaryNCMember |  |
Gross Carrying Amount at year end |  |  |
Land | 543us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CaryNCMember |  |
Building and Improvements | 3,495us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CaryNCMember |  |
Total | 4,038cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CaryNCMember |  |
Accumulated Depreciation | 1,326cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CaryNCMember |  |
Charlotte, NC |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 69,000us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CharlotteNCMember |  |
Initial cost |  |  |
Land | 782us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CharlotteNCMember |  |
Building and Improvements | 4,429us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CharlotteNCMember |  |
Costs Subsequent to Acquisition | 1,458cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CharlotteNCMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,068us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CharlotteNCMember |  |
Building and Improvements | 4,693us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CharlotteNCMember |  |
Total | 5,761cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CharlotteNCMember |  |
Accumulated Depreciation | 1,469cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CharlotteNCMember |  |
Raleigh, NC |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 48,675us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RaleighNCMember |  |
Initial cost |  |  |
Land | 209us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RaleighNCMember |  |
Building and Improvements | 2,398us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RaleighNCMember |  |
Costs Subsequent to Acquisition | 327cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RaleighNCMember |  |
Gross Carrying Amount at year end |  |  |
Land | 296us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RaleighNCMember |  |
Building and Improvements | 2,255us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RaleighNCMember |  |
Total | 2,551cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RaleighNCMember |  |
Accumulated Depreciation | 1,083cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RaleighNCMember |  |
Bordentown, NJ |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 50,600us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BordentownNJMember |  |
Initial cost |  |  |
Land | 457us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BordentownNJMember |  |
Building and Improvements | 2,255us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BordentownNJMember |  |
Costs Subsequent to Acquisition | 22cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BordentownNJMember |  |
Gross Carrying Amount at year end |  |  |
Land | 457us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BordentownNJMember |  |
Building and Improvements | 2,277us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BordentownNJMember |  |
Total | 2,734cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BordentownNJMember |  |
Accumulated Depreciation | 115cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BordentownNJMember |  |
Brick, NJ |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 51,725us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BrickNJMember |  |
Initial cost |  |  |
Land | 234us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BrickNJMember |  |
Building and Improvements | 2,762us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BrickNJMember |  |
Costs Subsequent to Acquisition | 1,431cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BrickNJMember |  |
Gross Carrying Amount at year end |  |  |
Land | 485us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BrickNJMember |  |
Building and Improvements | 3,393us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BrickNJMember |  |
Total | 3,878cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BrickNJMember |  |
Accumulated Depreciation | 1,750cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BrickNJMember |  |
Cherry Hill I, NJ |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 51,500us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CherryHillINJMember |  |
Initial cost |  |  |
Land | 222us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CherryHillINJMember |  |
Building and Improvements | 1,260us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CherryHillINJMember |  |
Costs Subsequent to Acquisition | 81cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CherryHillINJMember |  |
Gross Carrying Amount at year end |  |  |
Land | 222us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CherryHillINJMember |  |
Building and Improvements | 1,159us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CherryHillINJMember |  |
Total | 1,381cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CherryHillINJMember |  |
Accumulated Depreciation | 129cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CherryHillINJMember |  |
Cherry Hill II, NJ |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 64,825us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CherryHillIINJMember |  |
Initial cost |  |  |
Land | 471us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CherryHillIINJMember |  |
Building and Improvements | 2,323us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CherryHillIINJMember |  |
Costs Subsequent to Acquisition | 88cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CherryHillIINJMember |  |
Gross Carrying Amount at year end |  |  |
Land | 471us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CherryHillIINJMember |  |
Building and Improvements | 2,410us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CherryHillIINJMember |  |
Total | 2,881cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CherryHillIINJMember |  |
Accumulated Depreciation | 105cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CherryHillIINJMember |  |
Clifton, NJ |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 105,550us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CliftonNJMember |  |
Initial cost |  |  |
Land | 4,346us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CliftonNJMember |  |
Building and Improvements | 12,520us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CliftonNJMember |  |
Costs Subsequent to Acquisition | 240cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CliftonNJMember |  |
Gross Carrying Amount at year end |  |  |
Land | 4,340us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CliftonNJMember |  |
Building and Improvements | 11,081us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CliftonNJMember |  |
Total | 15,421cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CliftonNJMember |  |
Accumulated Depreciation | 2,899cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CliftonNJMember |  |
Cranford, NJ |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 91,280us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CranfordNJMember |  |
Initial cost |  |  |
Land | 290us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CranfordNJMember |  |
Building and Improvements | 3,493us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CranfordNJMember |  |
Costs Subsequent to Acquisition | 2,423cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CranfordNJMember |  |
Gross Carrying Amount at year end |  |  |
Land | 779us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CranfordNJMember |  |
Building and Improvements | 4,748us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CranfordNJMember |  |
Total | 5,527cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CranfordNJMember |  |
Accumulated Depreciation | 2,289cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CranfordNJMember |  |
East Hanover, NJ |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 107,679us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_EastHanoverNJMember |  |
Initial cost |  |  |
Land | 504us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_EastHanoverNJMember |  |
Building and Improvements | 5,763us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_EastHanoverNJMember |  |
Costs Subsequent to Acquisition | 3,961cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_EastHanoverNJMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,315us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_EastHanoverNJMember |  |
Building and Improvements | 7,861us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_EastHanoverNJMember |  |
Total | 9,176cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_EastHanoverNJMember |  |
Accumulated Depreciation | 3,963cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_EastHanoverNJMember |  |
Egg Harbor I, NJ |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 35,825us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_EggHarborNJMember |  |
Initial cost |  |  |
Land | 104us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_EggHarborNJMember |  |
Building and Improvements | 510us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_EggHarborNJMember |  |
Costs Subsequent to Acquisition | 30cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_EggHarborNJMember |  |
Gross Carrying Amount at year end |  |  |
Land | 104us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_EggHarborNJMember |  |
Building and Improvements | 529us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_EggHarborNJMember |  |
Total | 633cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_EggHarborNJMember |  |
Accumulated Depreciation | 57cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_EggHarborNJMember |  |
Egg Harbor II, NJ |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 70,400us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_EggHarborNJOneMember |  |
Initial cost |  |  |
Land | 284us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_EggHarborNJOneMember |  |
Building and Improvements | 1,608us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_EggHarborNJOneMember |  |
Costs Subsequent to Acquisition | 183cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_EggHarborNJOneMember |  |
Gross Carrying Amount at year end |  |  |
Land | 284us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_EggHarborNJOneMember |  |
Building and Improvements | 1,571us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_EggHarborNJOneMember |  |
Total | 1,855cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_EggHarborNJOneMember |  |
Accumulated Depreciation | 178cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_EggHarborNJOneMember |  |
Elizabeth, NJ |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 38,830us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ElizabethNJMember |  |
Initial cost |  |  |
Land | 751us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ElizabethNJMember |  |
Building and Improvements | 2,164us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ElizabethNJMember |  |
Costs Subsequent to Acquisition | 454cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ElizabethNJMember |  |
Gross Carrying Amount at year end |  |  |
Land | 751us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ElizabethNJMember |  |
Building and Improvements | 2,294us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ElizabethNJMember |  |
Total | 3,045cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ElizabethNJMember |  |
Accumulated Depreciation | 601cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ElizabethNJMember |  |
Fairview, NJ |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 27,876us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FairviewNJMember |  |
Initial cost |  |  |
Land | 246us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FairviewNJMember |  |
Building and Improvements | 2,759us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FairviewNJMember |  |
Costs Subsequent to Acquisition | 442cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FairviewNJMember |  |
Gross Carrying Amount at year end |  |  |
Land | 246us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FairviewNJMember |  |
Building and Improvements | 2,608us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FairviewNJMember |  |
Total | 2,854cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FairviewNJMember |  |
Accumulated Depreciation | 1,454cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FairviewNJMember |  |
Freehold, NJ |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 81,420us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FreeholdNJMember |  |
Initial cost |  |  |
Land | 1,086us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FreeholdNJMember |  |
Building and Improvements | 5,355us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FreeholdNJMember |  |
Costs Subsequent to Acquisition | 96cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FreeholdNJMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,086us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FreeholdNJMember |  |
Building and Improvements | 5,451us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FreeholdNJMember |  |
Total | 6,537cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FreeholdNJMember |  |
Accumulated Depreciation | 264cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FreeholdNJMember |  |
Hamilton, NJ |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 70,450us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HamiltonNJMember |  |
Initial cost |  |  |
Land | 1,885us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HamiltonNJMember |  |
Building and Improvements | 5,430us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HamiltonNJMember |  |
Costs Subsequent to Acquisition | 246cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HamiltonNJMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,893us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HamiltonNJMember |  |
Building and Improvements | 4,911us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HamiltonNJMember |  |
Total | 6,804cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HamiltonNJMember |  |
Accumulated Depreciation | 1,166cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HamiltonNJMember |  |
Hoboken, NJ |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 34,180us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HobokenNJMember |  |
Initial cost |  |  |
Land | 1,370us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HobokenNJMember |  |
Building and Improvements | 3,947us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HobokenNJMember |  |
Costs Subsequent to Acquisition | 641cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HobokenNJMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,370us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HobokenNJMember |  |
Building and Improvements | 3,961us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HobokenNJMember |  |
Total | 5,331cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HobokenNJMember |  |
Accumulated Depreciation | 1,138cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HobokenNJMember |  |
Linden, NJ |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 100,425us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LindenNJMember |  |
Initial cost |  |  |
Land | 517us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LindenNJMember |  |
Building and Improvements | 6,008us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LindenNJMember |  |
Costs Subsequent to Acquisition | 2,291cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LindenNJMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,043us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LindenNJMember |  |
Building and Improvements | 6,817us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LindenNJMember |  |
Total | 7,860cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LindenNJMember |  |
Accumulated Depreciation | 3,669cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LindenNJMember |  |
Lumberton, NJ |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 96,025us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LumbertonNJMember |  |
Initial cost |  |  |
Land | 987us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LumbertonNJMember |  |
Building and Improvements | 4,864us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LumbertonNJMember |  |
Costs Subsequent to Acquisition | 88cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LumbertonNJMember |  |
Gross Carrying Amount at year end |  |  |
Land | 987us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LumbertonNJMember |  |
Building and Improvements | 4,952us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LumbertonNJMember |  |
Total | 5,939cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LumbertonNJMember |  |
Accumulated Depreciation | 251cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LumbertonNJMember |  |
Morris Township, NJ |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 71,976us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MorrisTownshipNJMember |  |
Initial cost |  |  |
Land | 500us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MorrisTownshipNJMember |  |
Building and Improvements | 5,602us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MorrisTownshipNJMember |  |
Costs Subsequent to Acquisition | 2,687cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MorrisTownshipNJMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,072us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MorrisTownshipNJMember |  |
Building and Improvements | 6,679us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MorrisTownshipNJMember |  |
Total | 7,751cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MorrisTownshipNJMember |  |
Accumulated Depreciation | 4,646cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MorrisTownshipNJMember |  |
Parsippany, NJ |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 58,550us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ParsippanyNJMember |  |
Initial cost |  |  |
Land | 475us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ParsippanyNJMember |  |
Building and Improvements | 5,322us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ParsippanyNJMember |  |
Costs Subsequent to Acquisition | 2,008cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ParsippanyNJMember |  |
Gross Carrying Amount at year end |  |  |
Land | 844us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ParsippanyNJMember |  |
Building and Improvements | 6,016us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ParsippanyNJMember |  |
Total | 6,860cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ParsippanyNJMember |  |
Accumulated Depreciation | 3,096cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ParsippanyNJMember |  |
Rahway, NJ |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 83,121us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RahwayNJMember |  |
Initial cost |  |  |
Land | 1,486us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RahwayNJMember |  |
Building and Improvements | 7,326us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RahwayNJMember |  |
Costs Subsequent to Acquisition | 98cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RahwayNJMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,486us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RahwayNJMember |  |
Building and Improvements | 7,424us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RahwayNJMember |  |
Total | 8,910cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RahwayNJMember |  |
Accumulated Depreciation | 1,725cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RahwayNJMember |  |
Randolph, NJ |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 52,565us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RandolphNJMember |  |
Initial cost |  |  |
Land | 855us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RandolphNJMember |  |
Building and Improvements | 4,872us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RandolphNJMember |  |
Costs Subsequent to Acquisition | 1,323cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RandolphNJMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,108us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RandolphNJMember |  |
Building and Improvements | 4,861us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RandolphNJMember |  |
Total | 5,969cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RandolphNJMember |  |
Accumulated Depreciation | 1,707cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RandolphNJMember |  |
Sewell, NJ |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 57,826us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SewellNJMember |  |
Initial cost |  |  |
Land | 484us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SewellNJMember |  |
Building and Improvements | 2,766us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SewellNJMember |  |
Costs Subsequent to Acquisition | 1,317cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SewellNJMember |  |
Gross Carrying Amount at year end |  |  |
Land | 706us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SewellNJMember |  |
Building and Improvements | 3,232us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SewellNJMember |  |
Total | 3,938cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SewellNJMember |  |
Accumulated Depreciation | 1,123cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SewellNJMember |  |
Somerset, NJ |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 57,485us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SomersetNJMember |  |
Initial cost |  |  |
Land | 1,243us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SomersetNJMember |  |
Building and Improvements | 6,129us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SomersetNJMember |  |
Costs Subsequent to Acquisition | 71cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SomersetNJMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,243us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SomersetNJMember |  |
Building and Improvements | 6,199us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SomersetNJMember |  |
Total | 7,442cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SomersetNJMember |  |
Accumulated Depreciation | 295cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SomersetNJMember |  |
Whippany, NJ |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 92,070us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WhippanyNJMember |  |
Initial cost |  |  |
Land | 2,153us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WhippanyNJMember |  |
Building and Improvements | 10,615us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WhippanyNJMember |  |
Costs Subsequent to Acquisition | 86cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WhippanyNJMember |  |
Gross Carrying Amount at year end |  |  |
Land | 2,153us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WhippanyNJMember |  |
Building and Improvements | 10,701us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WhippanyNJMember |  |
Total | 12,854cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WhippanyNJMember |  |
Accumulated Depreciation | 332cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WhippanyNJMember |  |
Albuquerque I, NM |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 65,927us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AlbuquerqueINMMember |  |
Initial cost |  |  |
Land | 1,039us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AlbuquerqueINMMember |  |
Building and Improvements | 3,395us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AlbuquerqueINMMember |  |
Costs Subsequent to Acquisition | 273cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AlbuquerqueINMMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,039us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AlbuquerqueINMMember |  |
Building and Improvements | 3,084us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AlbuquerqueINMMember |  |
Total | 4,123cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AlbuquerqueINMMember |  |
Accumulated Depreciation | 879cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AlbuquerqueINMMember |  |
Albuquerque II, NM |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 58,798us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AlbuquerqueIINMMember |  |
Initial cost |  |  |
Land | 1,163us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AlbuquerqueIINMMember |  |
Building and Improvements | 3,801us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AlbuquerqueIINMMember |  |
Costs Subsequent to Acquisition | 257cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AlbuquerqueIINMMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,163us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AlbuquerqueIINMMember |  |
Building and Improvements | 3,435us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AlbuquerqueIINMMember |  |
Total | 4,598cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AlbuquerqueIINMMember |  |
Accumulated Depreciation | 981cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AlbuquerqueIINMMember |  |
Albuquerque III, NM |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 57,536us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AlbuquerqueIIINMMember |  |
Initial cost |  |  |
Land | 664us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AlbuquerqueIIINMMember |  |
Building and Improvements | 2,171us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AlbuquerqueIIINMMember |  |
Costs Subsequent to Acquisition | 334cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AlbuquerqueIIINMMember |  |
Gross Carrying Amount at year end |  |  |
Land | 664us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AlbuquerqueIIINMMember |  |
Building and Improvements | 2,117us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AlbuquerqueIIINMMember |  |
Total | 2,781cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AlbuquerqueIIINMMember |  |
Accumulated Depreciation | 592cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AlbuquerqueIIINMMember |  |
Henderson, NV |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 75,150us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HendersonNVMember |  |
Initial cost |  |  |
Land | 1,246us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HendersonNVMember |  |
Building and Improvements | 6,143us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HendersonNVMember |  |
Costs Subsequent to Acquisition | 1cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HendersonNVMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,246us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HendersonNVMember |  |
Building and Improvements | 6,143us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HendersonNVMember |  |
Total | 7,389cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HendersonNVMember |  |
Accumulated Depreciation | 33cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HendersonNVMember |  |
Las Vegas I, NV |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 48,332us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LasVegasINVMember |  |
Initial cost |  |  |
Land | 1,851us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LasVegasINVMember |  |
Building and Improvements | 2,986us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LasVegasINVMember |  |
Costs Subsequent to Acquisition | 486cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LasVegasINVMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,851us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LasVegasINVMember |  |
Building and Improvements | 3,061us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LasVegasINVMember |  |
Total | 4,912cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LasVegasINVMember |  |
Accumulated Depreciation | 874cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LasVegasINVMember |  |
Las Vegas II, NV |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 48,850us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LasVegasIINVMember |  |
Initial cost |  |  |
Land | 3,354us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LasVegasIINVMember |  |
Building and Improvements | 5,411us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LasVegasIINVMember |  |
Costs Subsequent to Acquisition | 306cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LasVegasIINVMember |  |
Gross Carrying Amount at year end |  |  |
Land | 3,355us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LasVegasIINVMember |  |
Building and Improvements | 5,136us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LasVegasIINVMember |  |
Total | 8,491cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LasVegasIINVMember |  |
Accumulated Depreciation | 1,515cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LasVegasIINVMember |  |
Bronx I, NY |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 69,308us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BronxINYMember |  |
Initial cost |  |  |
Land | 2,014us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BronxINYMember |  |
Building and Improvements | 11,411us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BronxINYMember |  |
Costs Subsequent to Acquisition | 738cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BronxINYMember |  |
Gross Carrying Amount at year end |  |  |
Land | 2,014us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BronxINYMember |  |
Building and Improvements | 10,556us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BronxINYMember |  |
Total | 12,570cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BronxINYMember |  |
Accumulated Depreciation | 1,172cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BronxINYMember |  |
Bronx II, NY |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 90,170us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BronxIINYMember |  |
Initial cost |  |  |
Building and Improvements | 31,561us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BronxIINYMember |  |
Costs Subsequent to Acquisition | 92cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BronxIINYMember |  |
Gross Carrying Amount at year end |  |  |
Building and Improvements | 31,118us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BronxIINYMember |  |
Total | 31,118cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BronxIINYMember |  |
Accumulated Depreciation | 1,914cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BronxIINYMember |  |
Bronx III, NY |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 106,065us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BronxIIINYMember |  |
Initial cost |  |  |
Land | 6,017us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BronxIIINYMember |  |
Building and Improvements | 33,999us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BronxIIINYMember |  |
Costs Subsequent to Acquisition | 142cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BronxIIINYMember |  |
Gross Carrying Amount at year end |  |  |
Land | 6,017us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BronxIIINYMember |  |
Building and Improvements | 29,794us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BronxIIINYMember |  |
Total | 35,811cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BronxIIINYMember |  |
Accumulated Depreciation | 2,588cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BronxIIINYMember |  |
Bronx IV, NY |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 75,030us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BronxIVNYMember |  |
Initial cost |  |  |
Building and Improvements | 22,830us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BronxIVNYMember |  |
Costs Subsequent to Acquisition | 96cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BronxIVNYMember |  |
Gross Carrying Amount at year end |  |  |
Building and Improvements | 20,272us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BronxIVNYMember |  |
Total | 20,272cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BronxIVNYMember |  |
Accumulated Depreciation | 1,442cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BronxIVNYMember |  |
Bronx V, NY |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 54,733us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BronxVNYMember |  |
Initial cost |  |  |
Building and Improvements | 17,564us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BronxVNYMember |  |
Costs Subsequent to Acquisition | 157cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BronxVNYMember |  |
Gross Carrying Amount at year end |  |  |
Building and Improvements | 15,610us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BronxVNYMember |  |
Total | 15,610cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BronxVNYMember |  |
Accumulated Depreciation | 1,192cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BronxVNYMember |  |
Bronx VI, NY |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 46,020us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BronxVINYMember |  |
Initial cost |  |  |
Building and Improvements | 15,095us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BronxVINYMember |  |
Costs Subsequent to Acquisition | 327cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BronxVINYMember |  |
Gross Carrying Amount at year end |  |  |
Building and Improvements | 13,391us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BronxVINYMember |  |
Total | 13,391cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BronxVINYMember |  |
Accumulated Depreciation | 1,249cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BronxVINYMember |  |
Bronx VII, NY |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 78,625us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BronxVIINYMember |  |
Encumbrances | 8,780us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BronxVIINYMember |  |
Initial cost |  |  |
Building and Improvements | 22,512us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BronxVIINYMember |  |
Costs Subsequent to Acquisition | 67cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BronxVIINYMember |  |
Gross Carrying Amount at year end |  |  |
Building and Improvements | 22,688us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BronxVIINYMember |  |
Total | 22,688cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BronxVIINYMember |  |
Accumulated Depreciation | 1,501cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BronxVIINYMember |  |
Bronx VIII, NY |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 30,550us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BronxVIIINYMember |  |
Encumbrances | 3,082us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BronxVIIINYMember |  |
Initial cost |  |  |
Land | 1,245us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BronxVIIINYMember |  |
Building and Improvements | 6,137us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BronxVIIINYMember |  |
Costs Subsequent to Acquisition | 128cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BronxVIIINYMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,251us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BronxVIIINYMember |  |
Building and Improvements | 6,295us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BronxVIIINYMember |  |
Total | 7,546cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BronxVIIINYMember |  |
Accumulated Depreciation | 412cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BronxVIIINYMember |  |
Bronx IX, NY |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 147,720us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BronxIXNYMember |  |
Encumbrances | 23,767us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BronxIXNYMember |  |
Initial cost |  |  |
Land | 7,967us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BronxIXNYMember |  |
Building and Improvements | 39,279us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BronxIXNYMember |  |
Costs Subsequent to Acquisition | 847cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BronxIXNYMember |  |
Gross Carrying Amount at year end |  |  |
Land | 7,967us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BronxIXNYMember |  |
Building and Improvements | 40,124us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BronxIXNYMember |  |
Total | 48,091cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BronxIXNYMember |  |
Accumulated Depreciation | 2,447cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BronxIXNYMember |  |
Bronx X, NY |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 159,780us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BronxXNYMember |  |
Encumbrances | 27,873us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BronxXNYMember |  |
Initial cost |  |  |
Land | 9,090us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BronxXNYMember |  |
Building and Improvements | 44,816us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BronxXNYMember |  |
Costs Subsequent to Acquisition | 270cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BronxXNYMember |  |
Gross Carrying Amount at year end |  |  |
Land | 9,090us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BronxXNYMember |  |
Building and Improvements | 45,086us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BronxXNYMember |  |
Total | 54,176cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BronxXNYMember |  |
Accumulated Depreciation | 2,402cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BronxXNYMember |  |
Bronx XI, NY |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 46,902us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BronxXINYMember |  |
Initial cost |  |  |
Building and Improvements | 17,130us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BronxXINYMember |  |
Costs Subsequent to Acquisition | 11cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BronxXINYMember |  |
Gross Carrying Amount at year end |  |  |
Building and Improvements | 17,141us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BronxXINYMember |  |
Total | 17,141cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BronxXINYMember |  |
Accumulated Depreciation | 115cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BronxXINYMember |  |
Brooklyn I, NY |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 57,500us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BrooklynINYMember |  |
Initial cost |  |  |
Land | 1,795us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BrooklynINYMember |  |
Building and Improvements | 10,172us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BrooklynINYMember |  |
Costs Subsequent to Acquisition | 247cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BrooklynINYMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,795us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BrooklynINYMember |  |
Building and Improvements | 9,002us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BrooklynINYMember |  |
Total | 10,797cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BrooklynINYMember |  |
Accumulated Depreciation | 997cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BrooklynINYMember |  |
Brooklyn II, NY |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 60,920us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BrooklynIINYMember |  |
Initial cost |  |  |
Land | 1,601us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BrooklynIINYMember |  |
Building and Improvements | 9,073us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BrooklynIINYMember |  |
Costs Subsequent to Acquisition | 438cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BrooklynIINYMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,601us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BrooklynIINYMember |  |
Building and Improvements | 8,213us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BrooklynIINYMember |  |
Total | 9,814cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BrooklynIINYMember |  |
Accumulated Depreciation | 905cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BrooklynIINYMember |  |
Brooklyn III, NY |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 41,585us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BrooklynIIINYMember |  |
Initial cost |  |  |
Land | 3,195us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BrooklynIIINYMember |  |
Building and Improvements | 15,657us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BrooklynIIINYMember |  |
Costs Subsequent to Acquisition | 75cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BrooklynIIINYMember |  |
Gross Carrying Amount at year end |  |  |
Land | 3,195us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BrooklynIIINYMember |  |
Building and Improvements | 15,814us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BrooklynIIINYMember |  |
Total | 19,009cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BrooklynIIINYMember |  |
Accumulated Depreciation | 911cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BrooklynIIINYMember |  |
Brooklyn IV, NY |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 37,467us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BrooklynIVNYMember |  |
Initial cost |  |  |
Land | 2,500us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BrooklynIVNYMember |  |
Building and Improvements | 12,252us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BrooklynIVNYMember |  |
Costs Subsequent to Acquisition | 130cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BrooklynIVNYMember |  |
Gross Carrying Amount at year end |  |  |
Land | 2,500us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BrooklynIVNYMember |  |
Building and Improvements | 12,445us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BrooklynIVNYMember |  |
Total | 14,945cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BrooklynIVNYMember |  |
Accumulated Depreciation | 799cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BrooklynIVNYMember |  |
Brooklyn V, NY |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 47,010us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BrooklynVNYMember |  |
Initial cost |  |  |
Land | 2,207us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BrooklynVNYMember |  |
Building and Improvements | 10,814us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BrooklynVNYMember |  |
Costs Subsequent to Acquisition | 79cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BrooklynVNYMember |  |
Gross Carrying Amount at year end |  |  |
Land | 2,207us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BrooklynVNYMember |  |
Building and Improvements | 10,947us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BrooklynVNYMember |  |
Total | 13,154cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BrooklynVNYMember |  |
Accumulated Depreciation | 953cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BrooklynVNYMember |  |
Brooklyn VI, NY |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 75,640us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BrooklynVINYMember |  |
Initial cost |  |  |
Land | 4,016us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BrooklynVINYMember |  |
Building and Improvements | 19,680us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BrooklynVINYMember |  |
Costs Subsequent to Acquisition | 69cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BrooklynVINYMember |  |
Gross Carrying Amount at year end |  |  |
Land | 4,016us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BrooklynVINYMember |  |
Building and Improvements | 19,856us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BrooklynVINYMember |  |
Total | 23,872cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BrooklynVINYMember |  |
Accumulated Depreciation | 1,655cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BrooklynVINYMember |  |
Brooklyn VII, NY |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 72,685us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BrooklynVIINYMember |  |
Initial cost |  |  |
Land | 5,816us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BrooklynVIINYMember |  |
Building and Improvements | 28,498us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BrooklynVIINYMember |  |
Costs Subsequent to Acquisition | 98cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BrooklynVIINYMember |  |
Gross Carrying Amount at year end |  |  |
Land | 5,816us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BrooklynVIINYMember |  |
Building and Improvements | 28,761us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BrooklynVIINYMember |  |
Total | 34,577cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BrooklynVIINYMember |  |
Accumulated Depreciation | 2,052cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BrooklynVIINYMember |  |
Brooklyn VIII, NY |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 61,075us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BrooklynVIIINYMember |  |
Initial cost |  |  |
Land | 4,982us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BrooklynVIIINYMember |  |
Building and Improvements | 24,561us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BrooklynVIIINYMember |  |
Costs Subsequent to Acquisition | 26cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BrooklynVIIINYMember |  |
Gross Carrying Amount at year end |  |  |
Land | 4,982us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BrooklynVIIINYMember |  |
Building and Improvements | 24,586us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BrooklynVIIINYMember |  |
Total | 29,568cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BrooklynVIIINYMember |  |
Accumulated Depreciation | 196cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BrooklynVIIINYMember |  |
Brooklyn IX, NY |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 46,980us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BrooklynIXNYMember |  |
Initial cost |  |  |
Land | 2,966us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BrooklynIXNYMember |  |
Building and Improvements | 14,620us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BrooklynIXNYMember |  |
Costs Subsequent to Acquisition | 25cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BrooklynIXNYMember |  |
Gross Carrying Amount at year end |  |  |
Land | 2,966us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BrooklynIXNYMember |  |
Building and Improvements | 14,645us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BrooklynIXNYMember |  |
Total | 17,611cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BrooklynIXNYMember |  |
Accumulated Depreciation | 117cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BrooklynIXNYMember |  |
Jamaica I, NY |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 88,385us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_JamaicaINYMember |  |
Initial cost |  |  |
Land | 2,043us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_JamaicaINYMember |  |
Building and Improvements | 11,658us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_JamaicaINYMember |  |
Costs Subsequent to Acquisition | 1,614cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_JamaicaINYMember |  |
Gross Carrying Amount at year end |  |  |
Land | 2,043us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_JamaicaINYMember |  |
Building and Improvements | 10,648us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_JamaicaINYMember |  |
Total | 12,691cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_JamaicaINYMember |  |
Accumulated Depreciation | 3,949cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_JamaicaINYMember |  |
Jamaica II, NY |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 91,245us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_JamaicaIINYMember |  |
Initial cost |  |  |
Land | 5,496us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_JamaicaIINYMember |  |
Building and Improvements | 26,930us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_JamaicaIINYMember |  |
Costs Subsequent to Acquisition | 121cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_JamaicaIINYMember |  |
Gross Carrying Amount at year end |  |  |
Land | 5,496us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_JamaicaIINYMember |  |
Building and Improvements | 27,194us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_JamaicaIINYMember |  |
Total | 32,690cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_JamaicaIINYMember |  |
Accumulated Depreciation | 2,006cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_JamaicaIINYMember |  |
Long Island City, NY |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 89,125us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LongIslandCityNYMember |  |
Initial cost |  |  |
Land | 5,700us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LongIslandCityNYMember |  |
Building and Improvements | 28,101us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LongIslandCityNYMember |  |
Costs Subsequent to Acquisition | 1cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LongIslandCityNYMember |  |
Gross Carrying Amount at year end |  |  |
Land | 5,700us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LongIslandCityNYMember |  |
Building and Improvements | 28,102us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LongIslandCityNYMember |  |
Total | 33,802cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LongIslandCityNYMember |  |
Accumulated Depreciation | 74cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LongIslandCityNYMember |  |
New Rochelle I, NY |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 46,037us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NewRochelleINYMember |  |
Initial cost |  |  |
Land | 1,673us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NewRochelleINYMember |  |
Building and Improvements | 4,827us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NewRochelleINYMember |  |
Costs Subsequent to Acquisition | 667cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NewRochelleINYMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,673us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NewRochelleINYMember |  |
Building and Improvements | 4,846us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NewRochelleINYMember |  |
Total | 6,519cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NewRochelleINYMember |  |
Accumulated Depreciation | 1,179cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NewRochelleINYMember |  |
New Rochelle II, NY |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 63,145us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NewRochelleIINYMember |  |
Initial cost |  |  |
Land | 3,167us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NewRochelleIINYMember |  |
Building and Improvements | 2,713us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NewRochelleIINYMember |  |
Costs Subsequent to Acquisition | 276cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NewRochelleIINYMember |  |
Gross Carrying Amount at year end |  |  |
Land | 3,762us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NewRochelleIINYMember |  |
Building and Improvements | 18,822us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NewRochelleIINYMember |  |
Total | 22,584cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NewRochelleIINYMember |  |
Accumulated Depreciation | 1,206cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NewRochelleIINYMember |  |
North Babylon, NY |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 78,341us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorthBabylonNYMember |  |
Initial cost |  |  |
Land | 225us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorthBabylonNYMember |  |
Building and Improvements | 2,514us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorthBabylonNYMember |  |
Costs Subsequent to Acquisition | 4,080cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorthBabylonNYMember |  |
Gross Carrying Amount at year end |  |  |
Land | 568us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorthBabylonNYMember |  |
Building and Improvements | 5,496us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorthBabylonNYMember |  |
Total | 6,064cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorthBabylonNYMember |  |
Accumulated Depreciation | 2,423cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorthBabylonNYMember |  |
Patchogue, NY |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 47,739us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PatchogueNYMember |  |
Initial cost |  |  |
Land | 1,141us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PatchogueNYMember |  |
Building and Improvements | 5,624us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PatchogueNYMember |  |
Costs Subsequent to Acquisition | 1cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PatchogueNYMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,141us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PatchogueNYMember |  |
Building and Improvements | 5,625us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PatchogueNYMember |  |
Total | 6,766cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PatchogueNYMember |  |
Accumulated Depreciation | 30cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PatchogueNYMember |  |
Riverhead, NY |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 38,340us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RiverheadNYMember |  |
Initial cost |  |  |
Land | 1,068us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RiverheadNYMember |  |
Building and Improvements | 1,149us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RiverheadNYMember |  |
Costs Subsequent to Acquisition | 195cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RiverheadNYMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,068us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RiverheadNYMember |  |
Building and Improvements | 1,111us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RiverheadNYMember |  |
Total | 2,179cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RiverheadNYMember |  |
Accumulated Depreciation | 342cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RiverheadNYMember |  |
Southold, NY |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 59,595us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SoutholdNYMember |  |
Initial cost |  |  |
Land | 2,079us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SoutholdNYMember |  |
Building and Improvements | 2,238us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SoutholdNYMember |  |
Costs Subsequent to Acquisition | 260cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SoutholdNYMember |  |
Gross Carrying Amount at year end |  |  |
Land | 2,079us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SoutholdNYMember |  |
Building and Improvements | 2,094us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SoutholdNYMember |  |
Total | 4,173cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SoutholdNYMember |  |
Accumulated Depreciation | 653cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SoutholdNYMember |  |
Staten Island, NY |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 96,623us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_StatenIslandNYMember |  |
Initial cost |  |  |
Land | 1,919us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_StatenIslandNYMember |  |
Building and Improvements | 9,463us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_StatenIslandNYMember |  |
Costs Subsequent to Acquisition | 53cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_StatenIslandNYMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,919us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_StatenIslandNYMember |  |
Building and Improvements | 9,517us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_StatenIslandNYMember |  |
Total | 11,436cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_StatenIslandNYMember |  |
Accumulated Depreciation | 784cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_StatenIslandNYMember |  |
Tuckahoe, NY |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 51,343us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TuckahoeNYMember |  |
Initial cost |  |  |
Land | 1,516us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TuckahoeNYMember |  |
Building and Improvements | 13,236us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TuckahoeNYMember |  |
Costs Subsequent to Acquisition | 168cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TuckahoeNYMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,516us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TuckahoeNYMember |  |
Building and Improvements | 7,633us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TuckahoeNYMember |  |
Total | 9,149cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TuckahoeNYMember |  |
Accumulated Depreciation | 1,179cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_TuckahoeNYMember |  |
West Hempstead, NY |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 84,457us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WestHempsteadNYMember |  |
Initial cost |  |  |
Land | 2,237us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WestHempsteadNYMember |  |
Building and Improvements | 11,030us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WestHempsteadNYMember |  |
Costs Subsequent to Acquisition | 113cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WestHempsteadNYMember |  |
Gross Carrying Amount at year end |  |  |
Land | 2,237us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WestHempsteadNYMember |  |
Building and Improvements | 11,142us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WestHempsteadNYMember |  |
Total | 13,379cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WestHempsteadNYMember |  |
Accumulated Depreciation | 534cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WestHempsteadNYMember |  |
White Plains, NY |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 86,465us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WhitePlainsNYMember |  |
Initial cost |  |  |
Land | 3,295us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WhitePlainsNYMember |  |
Building and Improvements | 18,049us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WhitePlainsNYMember |  |
Costs Subsequent to Acquisition | 835cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WhitePlainsNYMember |  |
Gross Carrying Amount at year end |  |  |
Land | 3,295us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WhitePlainsNYMember |  |
Building and Improvements | 16,393us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WhitePlainsNYMember |  |
Total | 19,688cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WhitePlainsNYMember |  |
Accumulated Depreciation | 1,521cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WhitePlainsNYMember |  |
Woodhaven, NY |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 50,665us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WoodhavenNYMember |  |
Initial cost |  |  |
Land | 2,028us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WoodhavenNYMember |  |
Building and Improvements | 11,285us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WoodhavenNYMember |  |
Costs Subsequent to Acquisition | 56cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WoodhavenNYMember |  |
Gross Carrying Amount at year end |  |  |
Land | 2,028us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WoodhavenNYMember |  |
Building and Improvements | 10,044us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WoodhavenNYMember |  |
Total | 12,072cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WoodhavenNYMember |  |
Accumulated Depreciation | 759cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WoodhavenNYMember |  |
Wyckoff, NY |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 61,565us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WyckoffNYMember |  |
Initial cost |  |  |
Land | 1,961us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WyckoffNYMember |  |
Building and Improvements | 11,113us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WyckoffNYMember |  |
Costs Subsequent to Acquisition | 218cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WyckoffNYMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,961us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WyckoffNYMember |  |
Building and Improvements | 9,849us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WyckoffNYMember |  |
Total | 11,810cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WyckoffNYMember |  |
Accumulated Depreciation | 1,013cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WyckoffNYMember |  |
Yorktown, NY |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 78,595us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_YorktownNYMember |  |
Initial cost |  |  |
Land | 2,710us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_YorktownNYMember |  |
Building and Improvements | 13,338us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_YorktownNYMember |  |
Costs Subsequent to Acquisition | 126cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_YorktownNYMember |  |
Gross Carrying Amount at year end |  |  |
Land | 2,710us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_YorktownNYMember |  |
Building and Improvements | 13,477us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_YorktownNYMember |  |
Total | 16,187cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_YorktownNYMember |  |
Accumulated Depreciation | 795cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_YorktownNYMember |  |
Cleveland I, OH |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 46,000us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ClevelandIOHMember |  |
Initial cost |  |  |
Land | 525us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ClevelandIOHMember |  |
Building and Improvements | 2,592us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ClevelandIOHMember |  |
Costs Subsequent to Acquisition | 175cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ClevelandIOHMember |  |
Gross Carrying Amount at year end |  |  |
Land | 524us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ClevelandIOHMember |  |
Building and Improvements | 2,419us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ClevelandIOHMember |  |
Total | 2,943cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ClevelandIOHMember |  |
Accumulated Depreciation | 690cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ClevelandIOHMember |  |
Cleveland II, OH |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 58,325us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ClevelandIIOHMember |  |
Initial cost |  |  |
Land | 290us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ClevelandIIOHMember |  |
Building and Improvements | 1,427us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ClevelandIIOHMember |  |
Costs Subsequent to Acquisition | 177cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ClevelandIIOHMember |  |
Gross Carrying Amount at year end |  |  |
Land | 289us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ClevelandIIOHMember |  |
Building and Improvements | 1,353us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ClevelandIIOHMember |  |
Total | 1,642cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ClevelandIIOHMember |  |
Accumulated Depreciation | 391cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ClevelandIIOHMember |  |
Columbus I, OH |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 71,905us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ColumbusIOHMember |  |
Initial cost |  |  |
Land | 1,234us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ColumbusIOHMember |  |
Building and Improvements | 3,151us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ColumbusIOHMember |  |
Costs Subsequent to Acquisition | 69cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ColumbusIOHMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,239us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ColumbusIOHMember |  |
Building and Improvements | 2,745us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ColumbusIOHMember |  |
Total | 3,984cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ColumbusIOHMember |  |
Accumulated Depreciation | 715cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ColumbusIOHMember |  |
Columbus II, OH |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 36,844us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ColumbusIIOHMember |  |
Initial cost |  |  |
Land | 769us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ColumbusIIOHMember |  |
Building and Improvements | 3,788us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ColumbusIIOHMember |  |
Costs Subsequent to Acquisition | 1cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ColumbusIIOHMember |  |
Gross Carrying Amount at year end |  |  |
Land | 769us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ColumbusIIOHMember |  |
Building and Improvements | 3,788us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ColumbusIIOHMember |  |
Total | 4,557cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ColumbusIIOHMember |  |
Accumulated Depreciation | 20cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ColumbusIIOHMember |  |
Columbus III, OH |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 51,400us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ColumbusIIIOHMember |  |
Initial cost |  |  |
Land | 326us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ColumbusIIIOHMember |  |
Building and Improvements | 1,607us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ColumbusIIIOHMember |  |
Costs Subsequent to Acquisition | 1cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ColumbusIIIOHMember |  |
Gross Carrying Amount at year end |  |  |
Land | 326us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ColumbusIIIOHMember |  |
Building and Improvements | 1,608us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ColumbusIIIOHMember |  |
Total | 1,934cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ColumbusIIIOHMember |  |
Accumulated Depreciation | 9cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ColumbusIIIOHMember |  |
Columbus IV, OH |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 60,575us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ColumbusIVOHMember |  |
Initial cost |  |  |
Land | 443us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ColumbusIVOHMember |  |
Building and Improvements | 2,182us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ColumbusIVOHMember |  |
Costs Subsequent to Acquisition | 1cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ColumbusIVOHMember |  |
Gross Carrying Amount at year end |  |  |
Land | 443us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ColumbusIVOHMember |  |
Building and Improvements | 2,183us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ColumbusIVOHMember |  |
Total | 2,626cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ColumbusIVOHMember |  |
Accumulated Depreciation | 12cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ColumbusIVOHMember |  |
Columbus V, OH |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 60,925us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ColumbusVOHMember |  |
Initial cost |  |  |
Land | 838us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ColumbusVOHMember |  |
Building and Improvements | 4,128us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ColumbusVOHMember |  |
Costs Subsequent to Acquisition | 1cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ColumbusVOHMember |  |
Gross Carrying Amount at year end |  |  |
Land | 838us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ColumbusVOHMember |  |
Building and Improvements | 4,129us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ColumbusVOHMember |  |
Total | 4,967cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ColumbusVOHMember |  |
Accumulated Depreciation | 22cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ColumbusVOHMember |  |
Columbus VI, OH |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 63,725us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ColumbusVIOHMember |  |
Initial cost |  |  |
Land | 701us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ColumbusVIOHMember |  |
Building and Improvements | 3,454us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ColumbusVIOHMember |  |
Costs Subsequent to Acquisition | 1cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ColumbusVIOHMember |  |
Gross Carrying Amount at year end |  |  |
Land | 701us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ColumbusVIOHMember |  |
Building and Improvements | 3,455us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ColumbusVIOHMember |  |
Total | 4,156cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ColumbusVIOHMember |  |
Accumulated Depreciation | 18cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ColumbusVIOHMember |  |
Grove City, OH |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 89,290us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GroveCityOHMember |  |
Initial cost |  |  |
Land | 1,756us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GroveCityOHMember |  |
Building and Improvements | 4,485us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GroveCityOHMember |  |
Costs Subsequent to Acquisition | 177cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GroveCityOHMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,761us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GroveCityOHMember |  |
Building and Improvements | 4,044us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GroveCityOHMember |  |
Total | 5,805cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GroveCityOHMember |  |
Accumulated Depreciation | 1,018cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GroveCityOHMember |  |
Hilliard, OH |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 89,190us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HilliardOHMember |  |
Initial cost |  |  |
Land | 1,361us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HilliardOHMember |  |
Building and Improvements | 3,476us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HilliardOHMember |  |
Costs Subsequent to Acquisition | 222cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HilliardOHMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,366us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HilliardOHMember |  |
Building and Improvements | 3,210us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HilliardOHMember |  |
Total | 4,576cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HilliardOHMember |  |
Accumulated Depreciation | 804cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HilliardOHMember |  |
Lakewood, OH |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 39,332us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LakewoodOHMember |  |
Initial cost |  |  |
Land | 405us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LakewoodOHMember |  |
Building and Improvements | 854us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LakewoodOHMember |  |
Costs Subsequent to Acquisition | 560cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LakewoodOHMember |  |
Gross Carrying Amount at year end |  |  |
Land | 405us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LakewoodOHMember |  |
Building and Improvements | 1,281us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LakewoodOHMember |  |
Total | 1,686cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LakewoodOHMember |  |
Accumulated Depreciation | 859cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LakewoodOHMember |  |
Lewis Center, OH |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 80,830us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LewisCenterOHMember |  |
Initial cost |  |  |
Land | 1,056us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LewisCenterOHMember |  |
Building and Improvements | 5,206us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LewisCenterOHMember |  |
Costs Subsequent to Acquisition | 1cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LewisCenterOHMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,056us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LewisCenterOHMember |  |
Building and Improvements | 5,207us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LewisCenterOHMember |  |
Total | 6,263cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LewisCenterOHMember |  |
Accumulated Depreciation | 28cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LewisCenterOHMember |  |
Middleburg Heights, OH |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 93,200us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MiddleburgHeightsOHMember |  |
Initial cost |  |  |
Land | 63us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MiddleburgHeightsOHMember |  |
Building and Improvements | 704us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MiddleburgHeightsOHMember |  |
Costs Subsequent to Acquisition | 2,179cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MiddleburgHeightsOHMember |  |
Gross Carrying Amount at year end |  |  |
Land | 332us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MiddleburgHeightsOHMember |  |
Building and Improvements | 2,271us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MiddleburgHeightsOHMember |  |
Total | 2,603cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MiddleburgHeightsOHMember |  |
Accumulated Depreciation | 1,037cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MiddleburgHeightsOHMember |  |
North Olmsted I, OH |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 48,665us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorthOlmstedIOHMember |  |
Initial cost |  |  |
Land | 63us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorthOlmstedIOHMember |  |
Building and Improvements | 704us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorthOlmstedIOHMember |  |
Costs Subsequent to Acquisition | 1,350cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorthOlmstedIOHMember |  |
Gross Carrying Amount at year end |  |  |
Land | 214us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorthOlmstedIOHMember |  |
Building and Improvements | 1,613us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorthOlmstedIOHMember |  |
Total | 1,827cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorthOlmstedIOHMember |  |
Accumulated Depreciation | 804cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorthOlmstedIOHMember |  |
North Olmsted II, OH |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 47,850us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorthOlmstedIIOHMember |  |
Initial cost |  |  |
Land | 290us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorthOlmstedIIOHMember |  |
Building and Improvements | 1,129us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorthOlmstedIIOHMember |  |
Costs Subsequent to Acquisition | 1,135cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorthOlmstedIIOHMember |  |
Gross Carrying Amount at year end |  |  |
Land | 469us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorthOlmstedIIOHMember |  |
Building and Improvements | 1,997us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorthOlmstedIIOHMember |  |
Total | 2,466cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorthOlmstedIIOHMember |  |
Accumulated Depreciation | 1,353cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorthOlmstedIIOHMember |  |
North Randall, OH |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 80,239us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorthRandallOHMember |  |
Initial cost |  |  |
Land | 515us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorthRandallOHMember |  |
Building and Improvements | 2,323us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorthRandallOHMember |  |
Costs Subsequent to Acquisition | 3,071cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorthRandallOHMember |  |
Gross Carrying Amount at year end |  |  |
Land | 898us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorthRandallOHMember |  |
Building and Improvements | 4,149us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorthRandallOHMember |  |
Total | 5,047cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorthRandallOHMember |  |
Accumulated Depreciation | 1,756cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorthRandallOHMember |  |
Reynoldsburg, OH |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 67,245us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ReynoldsburgOHMember |  |
Initial cost |  |  |
Land | 1,290us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ReynoldsburgOHMember |  |
Building and Improvements | 3,295us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ReynoldsburgOHMember |  |
Costs Subsequent to Acquisition | 251cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ReynoldsburgOHMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,295us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ReynoldsburgOHMember |  |
Building and Improvements | 3,092us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ReynoldsburgOHMember |  |
Total | 4,387cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ReynoldsburgOHMember |  |
Accumulated Depreciation | 792cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ReynoldsburgOHMember |  |
Strongsville, OH |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 43,683us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_StrongsvilleOHMember |  |
Initial cost |  |  |
Land | 570us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_StrongsvilleOHMember |  |
Building and Improvements | 3,486us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_StrongsvilleOHMember |  |
Costs Subsequent to Acquisition | 336cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_StrongsvilleOHMember |  |
Gross Carrying Amount at year end |  |  |
Land | 570us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_StrongsvilleOHMember |  |
Building and Improvements | 2,989us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_StrongsvilleOHMember |  |
Total | 3,559cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_StrongsvilleOHMember |  |
Accumulated Depreciation | 622cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_StrongsvilleOHMember |  |
Warrensville Heights, OH |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 90,281us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WarrensvilleHeightsOHMember |  |
Initial cost |  |  |
Land | 525us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WarrensvilleHeightsOHMember |  |
Building and Improvements | 766us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WarrensvilleHeightsOHMember |  |
Costs Subsequent to Acquisition | 2,925cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WarrensvilleHeightsOHMember |  |
Gross Carrying Amount at year end |  |  |
Land | 935us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WarrensvilleHeightsOHMember |  |
Building and Improvements | 3,103us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WarrensvilleHeightsOHMember |  |
Total | 4,038cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WarrensvilleHeightsOHMember |  |
Accumulated Depreciation | 1,248cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WarrensvilleHeightsOHMember |  |
Westlake, OH |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 62,750us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WestlakeOHMember |  |
Initial cost |  |  |
Land | 509us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WestlakeOHMember |  |
Building and Improvements | 2,508us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WestlakeOHMember |  |
Costs Subsequent to Acquisition | 202cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WestlakeOHMember |  |
Gross Carrying Amount at year end |  |  |
Land | 508us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WestlakeOHMember |  |
Building and Improvements | 2,322us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WestlakeOHMember |  |
Total | 2,830cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WestlakeOHMember |  |
Accumulated Depreciation | 680cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WestlakeOHMember |  |
Conshohocken, PA |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 81,255us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ConshohockenPAMember |  |
Initial cost |  |  |
Land | 1,726us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ConshohockenPAMember |  |
Building and Improvements | 8,508us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ConshohockenPAMember |  |
Costs Subsequent to Acquisition | 103cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ConshohockenPAMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,726us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ConshohockenPAMember |  |
Building and Improvements | 8,611us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ConshohockenPAMember |  |
Total | 10,337cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ConshohockenPAMember |  |
Accumulated Depreciation | 415cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ConshohockenPAMember |  |
Exton, PA |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 57,750us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ExtonPAMember |  |
Initial cost |  |  |
Land | 541us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ExtonPAMember |  |
Building and Improvements | 2,668us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ExtonPAMember |  |
Costs Subsequent to Acquisition | 110cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ExtonPAMember |  |
Gross Carrying Amount at year end |  |  |
Land | 541us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ExtonPAMember |  |
Building and Improvements | 2,778us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ExtonPAMember |  |
Total | 3,319cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ExtonPAMember |  |
Accumulated Depreciation | 119cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ExtonPAMember |  |
Langhorne, PA |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 65,050us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LanghornePAMember |  |
Initial cost |  |  |
Land | 1,019us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LanghornePAMember |  |
Building and Improvements | 5,023us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LanghornePAMember |  |
Costs Subsequent to Acquisition | 158cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LanghornePAMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,019us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LanghornePAMember |  |
Building and Improvements | 5,181us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LanghornePAMember |  |
Total | 6,200cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LanghornePAMember |  |
Accumulated Depreciation | 242cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LanghornePAMember |  |
Levittown, PA |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 76,180us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LevittownPAMember |  |
Initial cost |  |  |
Land | 926us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LevittownPAMember |  |
Building and Improvements | 5,296us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LevittownPAMember |  |
Costs Subsequent to Acquisition | 1,160cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LevittownPAMember |  |
Gross Carrying Amount at year end |  |  |
Land | 926us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LevittownPAMember |  |
Building and Improvements | 5,444us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LevittownPAMember |  |
Total | 6,370cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LevittownPAMember |  |
Accumulated Depreciation | 2,014cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LevittownPAMember |  |
Malvern, PA |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 18,848us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MalvernPAMember |  |
Initial cost |  |  |
Land | 2,959us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MalvernPAMember |  |
Building and Improvements | 18,198us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MalvernPAMember |  |
Costs Subsequent to Acquisition | 1,408cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MalvernPAMember |  |
Gross Carrying Amount at year end |  |  |
Land | 2,959us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MalvernPAMember |  |
Building and Improvements | 19,606us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MalvernPAMember |  |
Total | 22,565cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MalvernPAMember |  |
Accumulated Depreciation | 174cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MalvernPAMember |  |
Montgomeryville, PA |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 84,145us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MontgomeryvillePAMember |  |
Initial cost |  |  |
Land | 975us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MontgomeryvillePAMember |  |
Building and Improvements | 4,809us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MontgomeryvillePAMember |  |
Costs Subsequent to Acquisition | 121cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MontgomeryvillePAMember |  |
Gross Carrying Amount at year end |  |  |
Land | 975us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MontgomeryvillePAMember |  |
Building and Improvements | 4,929us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MontgomeryvillePAMember |  |
Total | 5,904cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MontgomeryvillePAMember |  |
Accumulated Depreciation | 240cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MontgomeryvillePAMember |  |
Norristown, PA |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 54,911us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorristownPAMember |  |
Initial cost |  |  |
Land | 777us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorristownPAMember |  |
Building and Improvements | 3,709us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorristownPAMember |  |
Costs Subsequent to Acquisition | 567cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorristownPAMember |  |
Gross Carrying Amount at year end |  |  |
Land | 777us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorristownPAMember |  |
Building and Improvements | 4,381us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorristownPAMember |  |
Total | 5,158cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorristownPAMember |  |
Accumulated Depreciation | 253cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorristownPAMember |  |
Philadelphia I, PA |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 97,414us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PhiladelphiaIPaMember |  |
Initial cost |  |  |
Land | 1,461us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PhiladelphiaIPaMember |  |
Building and Improvements | 8,334us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PhiladelphiaIPaMember |  |
Costs Subsequent to Acquisition | 1,762cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PhiladelphiaIPaMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,461us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PhiladelphiaIPaMember |  |
Building and Improvements | 6,918us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PhiladelphiaIPaMember |  |
Total | 8,379cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PhiladelphiaIPaMember |  |
Accumulated Depreciation | 2,612cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PhiladelphiaIPaMember |  |
Philadelphia II, PA |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 68,239us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PhiladelphiaIIPaMember |  |
Initial cost |  |  |
Land | 1,012us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PhiladelphiaIIPaMember |  |
Building and Improvements | 4,990us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PhiladelphiaIIPaMember |  |
Costs Subsequent to Acquisition | 68cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PhiladelphiaIIPaMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,012us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PhiladelphiaIIPaMember |  |
Building and Improvements | 5,057us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PhiladelphiaIIPaMember |  |
Total | 6,069cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PhiladelphiaIIPaMember |  |
Accumulated Depreciation | 41cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PhiladelphiaIIPaMember |  |
Exeter, RI |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 41,275us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ExeterRIMember |  |
Initial cost |  |  |
Land | 547us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ExeterRIMember |  |
Building and Improvements | 2,697us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ExeterRIMember |  |
Costs Subsequent to Acquisition | 1cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ExeterRIMember |  |
Gross Carrying Amount at year end |  |  |
Land | 547us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ExeterRIMember |  |
Building and Improvements | 2,698us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ExeterRIMember |  |
Total | 3,245cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ExeterRIMember |  |
Accumulated Depreciation | 14cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ExeterRIMember |  |
Johnston, RI |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 80,725us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_JohnstonRIMember |  |
Initial cost |  |  |
Land | 1,061us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_JohnstonRIMember |  |
Building and Improvements | 5,229us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_JohnstonRIMember |  |
Costs Subsequent to Acquisition | 1cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_JohnstonRIMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,061us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_JohnstonRIMember |  |
Building and Improvements | 5,231us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_JohnstonRIMember |  |
Total | 6,292cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_JohnstonRIMember |  |
Accumulated Depreciation | 28cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_JohnstonRIMember |  |
Wakefield, RI |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 45,895us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WakefieldRIMember |  |
Initial cost |  |  |
Land | 823us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WakefieldRIMember |  |
Building and Improvements | 4,058us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WakefieldRIMember |  |
Costs Subsequent to Acquisition | 1cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WakefieldRIMember |  |
Gross Carrying Amount at year end |  |  |
Land | 823us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WakefieldRIMember |  |
Building and Improvements | 4,059us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WakefieldRIMember |  |
Total | 4,882cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WakefieldRIMember |  |
Accumulated Depreciation | 21cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WakefieldRIMember |  |
Woonsocket, RI |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 72,704us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WoonsocketRIMember |  |
Initial cost |  |  |
Land | 1,049us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WoonsocketRIMember |  |
Building and Improvements | 5,172us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WoonsocketRIMember |  |
Costs Subsequent to Acquisition | 1cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WoonsocketRIMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,049us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WoonsocketRIMember |  |
Building and Improvements | 5,173us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WoonsocketRIMember |  |
Total | 6,222cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WoonsocketRIMember |  |
Accumulated Depreciation | 27cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_WoonsocketRIMember |  |
Antioch, TN |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 76,190us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AntiochTNMember |  |
Initial cost |  |  |
Land | 588us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AntiochTNMember |  |
Building and Improvements | 4,906us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AntiochTNMember |  |
Costs Subsequent to Acquisition | 287cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AntiochTNMember |  |
Gross Carrying Amount at year end |  |  |
Land | 588us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AntiochTNMember |  |
Building and Improvements | 4,426us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AntiochTNMember |  |
Total | 5,014cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AntiochTNMember |  |
Accumulated Depreciation | 1,167cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AntiochTNMember |  |
Nashville I, TN |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 103,840us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NashvilleITNMember |  |
Initial cost |  |  |
Land | 405us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NashvilleITNMember |  |
Building and Improvements | 3,379us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NashvilleITNMember |  |
Costs Subsequent to Acquisition | 469cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NashvilleITNMember |  |
Gross Carrying Amount at year end |  |  |
Land | 405us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NashvilleITNMember |  |
Building and Improvements | 3,270us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NashvilleITNMember |  |
Total | 3,675cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NashvilleITNMember |  |
Accumulated Depreciation | 884cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NashvilleITNMember |  |
Nashville II, TN |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 83,384us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NashvilleIITNMember |  |
Initial cost |  |  |
Land | 593us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NashvilleIITNMember |  |
Building and Improvements | 4,950us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NashvilleIITNMember |  |
Costs Subsequent to Acquisition | 183cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NashvilleIITNMember |  |
Gross Carrying Amount at year end |  |  |
Land | 593us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NashvilleIITNMember |  |
Building and Improvements | 4,443us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NashvilleIITNMember |  |
Total | 5,036cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NashvilleIITNMember |  |
Accumulated Depreciation | 1,199cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NashvilleIITNMember |  |
Nashville III, TN |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 101,575us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NashvilleIIITNMember |  |
Initial cost |  |  |
Land | 416us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NashvilleIIITNMember |  |
Building and Improvements | 3,469us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NashvilleIIITNMember |  |
Costs Subsequent to Acquisition | 191cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NashvilleIIITNMember |  |
Gross Carrying Amount at year end |  |  |
Land | 416us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NashvilleIIITNMember |  |
Building and Improvements | 3,328us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NashvilleIIITNMember |  |
Total | 3,744cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NashvilleIIITNMember |  |
Accumulated Depreciation | 873cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NashvilleIIITNMember |  |
Nashville IV, TN |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 102,450us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NashvilleIVTNMember |  |
Initial cost |  |  |
Land | 992us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NashvilleIVTNMember |  |
Building and Improvements | 8,274us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NashvilleIVTNMember |  |
Costs Subsequent to Acquisition | 351cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NashvilleIVTNMember |  |
Gross Carrying Amount at year end |  |  |
Land | 992us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NashvilleIVTNMember |  |
Building and Improvements | 7,385us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NashvilleIVTNMember |  |
Total | 8,377cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NashvilleIVTNMember |  |
Accumulated Depreciation | 1,932cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NashvilleIVTNMember |  |
Allen, TX |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 62,870us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AllenTXMember |  |
Encumbrances | 3,610us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AllenTXMember |  |
Initial cost |  |  |
Land | 714us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AllenTXMember |  |
Building and Improvements | 3,519us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AllenTXMember |  |
Costs Subsequent to Acquisition | 59cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AllenTXMember |  |
Gross Carrying Amount at year end |  |  |
Land | 714us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AllenTXMember |  |
Building and Improvements | 3,578us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AllenTXMember |  |
Total | 4,292cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AllenTXMember |  |
Accumulated Depreciation | 188cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AllenTXMember |  |
Austin I, TX |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 59,620us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AustinITXMember |  |
Initial cost |  |  |
Land | 2,239us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AustinITXMember |  |
Building and Improvements | 2,038us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AustinITXMember |  |
Costs Subsequent to Acquisition | 152cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AustinITXMember |  |
Gross Carrying Amount at year end |  |  |
Land | 2,239us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AustinITXMember |  |
Building and Improvements | 1,865us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AustinITXMember |  |
Total | 4,104cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AustinITXMember |  |
Accumulated Depreciation | 499cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AustinITXMember |  |
Austin II, TX |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 65,151us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AustinIITXMember |  |
Initial cost |  |  |
Land | 734us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AustinIITXMember |  |
Building and Improvements | 3,894us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AustinIITXMember |  |
Costs Subsequent to Acquisition | 245cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AustinIITXMember |  |
Gross Carrying Amount at year end |  |  |
Land | 738us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AustinIITXMember |  |
Building and Improvements | 3,577us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AustinIITXMember |  |
Total | 4,315cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AustinIITXMember |  |
Accumulated Depreciation | 882cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AustinIITXMember |  |
Austin III, TX |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 70,560us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AustinIIITXMember |  |
Initial cost |  |  |
Land | 1,030us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AustinIIITXMember |  |
Building and Improvements | 5,468us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AustinIIITXMember |  |
Costs Subsequent to Acquisition | 224cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AustinIIITXMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,035us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AustinIIITXMember |  |
Building and Improvements | 5,032us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AustinIIITXMember |  |
Total | 6,067cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AustinIIITXMember |  |
Accumulated Depreciation | 1,175cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AustinIIITXMember |  |
Austin IV, TX |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 65,370us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AustinIVTXMember |  |
Initial cost |  |  |
Land | 862us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AustinIVTXMember |  |
Building and Improvements | 4,250us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AustinIVTXMember |  |
Costs Subsequent to Acquisition | 106cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AustinIVTXMember |  |
Gross Carrying Amount at year end |  |  |
Land | 862us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AustinIVTXMember |  |
Building and Improvements | 4,356us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AustinIVTXMember |  |
Total | 5,218cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AustinIVTXMember |  |
Accumulated Depreciation | 35cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AustinIVTXMember |  |
Austin V, TX |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 67,850us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AustinVTXMember |  |
Initial cost |  |  |
Land | 1,050us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AustinVTXMember |  |
Building and Improvements | 5,175us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AustinVTXMember |  |
Costs Subsequent to Acquisition | 1cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AustinVTXMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,050us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AustinVTXMember |  |
Building and Improvements | 5,176us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AustinVTXMember |  |
Total | 6,226cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AustinVTXMember |  |
Accumulated Depreciation | 41cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AustinVTXMember |  |
Austin VI, TX |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 62,770us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AustinVITXMember |  |
Initial cost |  |  |
Land | 1,150us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AustinVITXMember |  |
Building and Improvements | 5,669us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AustinVITXMember |  |
Costs Subsequent to Acquisition | 2cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AustinVITXMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,150us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AustinVITXMember |  |
Building and Improvements | 5,671us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AustinVITXMember |  |
Total | 6,821cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AustinVITXMember |  |
Accumulated Depreciation | 30cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AustinVITXMember |  |
Bryan, TX |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 60,400us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BryanTXMember |  |
Initial cost |  |  |
Land | 1,394us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BryanTXMember |  |
Building and Improvements | 1,268us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BryanTXMember |  |
Costs Subsequent to Acquisition | 146cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BryanTXMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,396us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BryanTXMember |  |
Building and Improvements | 1,194us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BryanTXMember |  |
Total | 2,590cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BryanTXMember |  |
Accumulated Depreciation | 327cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BryanTXMember |  |
Carrollton, TX |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 77,140us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CarrolltonTXMember |  |
Initial cost |  |  |
Land | 661us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CarrolltonTXMember |  |
Building and Improvements | 3,261us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CarrolltonTXMember |  |
Costs Subsequent to Acquisition | 47cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CarrolltonTXMember |  |
Gross Carrying Amount at year end |  |  |
Land | 661us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CarrolltonTXMember |  |
Building and Improvements | 3,308us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CarrolltonTXMember |  |
Total | 3,969cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CarrolltonTXMember |  |
Accumulated Depreciation | 132cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CarrolltonTXMember |  |
College Station, TX |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 26,550us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CollegeStationTXMember |  |
Initial cost |  |  |
Land | 812us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CollegeStationTXMember |  |
Building and Improvements | 740us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CollegeStationTXMember |  |
Costs Subsequent to Acquisition | 119cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CollegeStationTXMember |  |
Gross Carrying Amount at year end |  |  |
Land | 813us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CollegeStationTXMember |  |
Building and Improvements | 710us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CollegeStationTXMember |  |
Total | 1,523cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CollegeStationTXMember |  |
Accumulated Depreciation | 188cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CollegeStationTXMember |  |
Cypress, TX |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 58,181us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CypressTXMember |  |
Initial cost |  |  |
Land | 360us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CypressTXMember |  |
Building and Improvements | 1,773us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CypressTXMember |  |
Costs Subsequent to Acquisition | 90cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CypressTXMember |  |
Gross Carrying Amount at year end |  |  |
Land | 360us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CypressTXMember |  |
Building and Improvements | 1,864us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CypressTXMember |  |
Total | 2,224cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CypressTXMember |  |
Accumulated Depreciation | 97cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_CypressTXMember |  |
Dallas I, TX |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 58,582us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DallasITXMember |  |
Initial cost |  |  |
Land | 2,475us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DallasITXMember |  |
Building and Improvements | 2,253us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DallasITXMember |  |
Costs Subsequent to Acquisition | 332cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DallasITXMember |  |
Gross Carrying Amount at year end |  |  |
Land | 2,475us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DallasITXMember |  |
Building and Improvements | 2,138us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DallasITXMember |  |
Total | 4,613cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DallasITXMember |  |
Accumulated Depreciation | 559cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DallasITXMember |  |
Dallas II, TX |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 79,123us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DallasIITXMember |  |
Initial cost |  |  |
Land | 940us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DallasIITXMember |  |
Building and Improvements | 4,635us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DallasIITXMember |  |
Costs Subsequent to Acquisition | 103cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DallasIITXMember |  |
Gross Carrying Amount at year end |  |  |
Land | 940us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DallasIITXMember |  |
Building and Improvements | 4,738us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DallasIITXMember |  |
Total | 5,678cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DallasIITXMember |  |
Accumulated Depreciation | 513cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DallasIITXMember |  |
Dallas III, TX |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 69,589us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DallasIIITXMember |  |
Initial cost |  |  |
Land | 2,608us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DallasIIITXMember |  |
Building and Improvements | 12,857us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DallasIIITXMember |  |
Costs Subsequent to Acquisition | 1cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DallasIIITXMember |  |
Gross Carrying Amount at year end |  |  |
Land | 2,608us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DallasIIITXMember |  |
Building and Improvements | 12,858us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DallasIIITXMember |  |
Total | 15,466cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DallasIIITXMember |  |
Accumulated Depreciation | 34cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DallasIIITXMember |  |
Denton, TX |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 60,846us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DentonTXMember |  |
Initial cost |  |  |
Land | 553us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DentonTXMember |  |
Building and Improvements | 2,936us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DentonTXMember |  |
Costs Subsequent to Acquisition | 199cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DentonTXMember |  |
Gross Carrying Amount at year end |  |  |
Land | 569us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DentonTXMember |  |
Building and Improvements | 2,645us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DentonTXMember |  |
Total | 3,214cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DentonTXMember |  |
Accumulated Depreciation | 630cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DentonTXMember |  |
El Paso I, TX |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 59,852us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ElPasoITXMember |  |
Initial cost |  |  |
Land | 1,983us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ElPasoITXMember |  |
Building and Improvements | 1,805us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ElPasoITXMember |  |
Costs Subsequent to Acquisition | 261cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ElPasoITXMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,984us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ElPasoITXMember |  |
Building and Improvements | 1,737us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ElPasoITXMember |  |
Total | 3,721cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ElPasoITXMember |  |
Accumulated Depreciation | 464cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ElPasoITXMember |  |
El Paso II, TX |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 48,800us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ElPasoIITXMember |  |
Initial cost |  |  |
Land | 1,319us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ElPasoIITXMember |  |
Building and Improvements | 1,201us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ElPasoIITXMember |  |
Costs Subsequent to Acquisition | 205cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ElPasoIITXMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,320us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ElPasoIITXMember |  |
Building and Improvements | 1,188us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ElPasoIITXMember |  |
Total | 2,508cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ElPasoIITXMember |  |
Accumulated Depreciation | 317cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ElPasoIITXMember |  |
El Paso III, TX |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 71,102us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ElPasoIIITXMember |  |
Initial cost |  |  |
Land | 2,408us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ElPasoIIITXMember |  |
Building and Improvements | 2,192us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ElPasoIIITXMember |  |
Costs Subsequent to Acquisition | 216cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ElPasoIIITXMember |  |
Gross Carrying Amount at year end |  |  |
Land | 2,409us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ElPasoIIITXMember |  |
Building and Improvements | 2,075us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ElPasoIIITXMember |  |
Total | 4,484cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ElPasoIIITXMember |  |
Accumulated Depreciation | 558cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ElPasoIIITXMember |  |
El Paso IV, TX |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 66,906us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ElPasoIVTXMember |  |
Initial cost |  |  |
Land | 2,073us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ElPasoIVTXMember |  |
Building and Improvements | 1,888us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ElPasoIVTXMember |  |
Costs Subsequent to Acquisition | 59cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ElPasoIVTXMember |  |
Gross Carrying Amount at year end |  |  |
Land | 2,074us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ElPasoIVTXMember |  |
Building and Improvements | 1,635us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ElPasoIVTXMember |  |
Total | 3,709cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ElPasoIVTXMember |  |
Accumulated Depreciation | 523cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ElPasoIVTXMember |  |
El Paso V, TX |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 62,290us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ElPasoVTXMember |  |
Initial cost |  |  |
Land | 1,758us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ElPasoVTXMember |  |
Building and Improvements | 1,617us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ElPasoVTXMember |  |
Costs Subsequent to Acquisition | 157cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ElPasoVTXMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,761us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ElPasoVTXMember |  |
Building and Improvements | 1,514us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ElPasoVTXMember |  |
Total | 3,275cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ElPasoVTXMember |  |
Accumulated Depreciation | 410cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ElPasoVTXMember |  |
El Paso VI, TX |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 36,620us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ElPasoVITXMember |  |
Initial cost |  |  |
Land | 660us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ElPasoVITXMember |  |
Building and Improvements | 607us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ElPasoVITXMember |  |
Costs Subsequent to Acquisition | 158cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ElPasoVITXMember |  |
Gross Carrying Amount at year end |  |  |
Land | 662us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ElPasoVITXMember |  |
Building and Improvements | 631us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ElPasoVITXMember |  |
Total | 1,293cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ElPasoVITXMember |  |
Accumulated Depreciation | 171cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ElPasoVITXMember |  |
El Paso VII, TX |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 34,423us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ElPasoVIITXMember |  |
Initial cost |  |  |
Land | 563us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ElPasoVIITXMember |  |
Building and Improvements | 517us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ElPasoVIITXMember |  |
Costs Subsequent to Acquisition | 8cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ElPasoVIITXMember |  |
Gross Carrying Amount at year end |  |  |
Land | 565us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ElPasoVIITXMember |  |
Building and Improvements | 559us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ElPasoVIITXMember |  |
Total | 1,124cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ElPasoVIITXMember |  |
Accumulated Depreciation | 15cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ElPasoVIITXMember |  |
Fort Worth I, TX |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 50,246us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FortWorthITXMember |  |
Initial cost |  |  |
Land | 1,253us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FortWorthITXMember |  |
Building and Improvements | 1,141us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FortWorthITXMember |  |
Costs Subsequent to Acquisition | 220cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FortWorthITXMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,253us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FortWorthITXMember |  |
Building and Improvements | 1,126us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FortWorthITXMember |  |
Total | 2,379cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FortWorthITXMember |  |
Accumulated Depreciation | 282cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FortWorthITXMember |  |
Fort Worth II, TX |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 72,900us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FortWorthIITXMember |  |
Initial cost |  |  |
Land | 868us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FortWorthIITXMember |  |
Building and Improvements | 4,607us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FortWorthIITXMember |  |
Costs Subsequent to Acquisition | 292cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FortWorthIITXMember |  |
Gross Carrying Amount at year end |  |  |
Land | 874us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FortWorthIITXMember |  |
Building and Improvements | 4,232us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FortWorthIITXMember |  |
Total | 5,106cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FortWorthIITXMember |  |
Accumulated Depreciation | 1,034cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FortWorthIITXMember |  |
Frisco I, TX |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 50,754us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FriscoITXMember |  |
Initial cost |  |  |
Land | 1,093us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FriscoITXMember |  |
Building and Improvements | 3,148us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FriscoITXMember |  |
Costs Subsequent to Acquisition | 131cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FriscoITXMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,093us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FriscoITXMember |  |
Building and Improvements | 2,841us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FriscoITXMember |  |
Total | 3,934cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FriscoITXMember |  |
Accumulated Depreciation | 744cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FriscoITXMember |  |
Frisco II, TX |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 71,399us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FriscoIITXMember |  |
Initial cost |  |  |
Land | 1,564us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FriscoIITXMember |  |
Building and Improvements | 4,507us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FriscoIITXMember |  |
Costs Subsequent to Acquisition | 95cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FriscoIITXMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,564us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FriscoIITXMember |  |
Building and Improvements | 3,991us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FriscoIITXMember |  |
Total | 5,555cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FriscoIITXMember |  |
Accumulated Depreciation | 1,065cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FriscoIITXMember |  |
Frisco III, TX |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 74,765us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FriscoIIITXMember |  |
Initial cost |  |  |
Land | 1,147us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FriscoIIITXMember |  |
Building and Improvements | 6,088us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FriscoIIITXMember |  |
Costs Subsequent to Acquisition | 242cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FriscoIIITXMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,154us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FriscoIIITXMember |  |
Building and Improvements | 5,525us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FriscoIIITXMember |  |
Total | 6,679cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FriscoIIITXMember |  |
Accumulated Depreciation | 1,354cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FriscoIIITXMember |  |
Frisco IV, TX |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 75,035us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FriscoIVTXMember |  |
Initial cost |  |  |
Land | 719us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FriscoIVTXMember |  |
Building and Improvements | 4,072us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FriscoIVTXMember |  |
Costs Subsequent to Acquisition | 117cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FriscoIVTXMember |  |
Gross Carrying Amount at year end |  |  |
Land | 719us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FriscoIVTXMember |  |
Building and Improvements | 3,630us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FriscoIVTXMember |  |
Total | 4,349cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FriscoIVTXMember |  |
Accumulated Depreciation | 405cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FriscoIVTXMember |  |
Frisco V, TX |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 74,490us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FriscoVTXMember |  |
Initial cost |  |  |
Land | 1,159us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FriscoVTXMember |  |
Building and Improvements | 5,714us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FriscoVTXMember |  |
Costs Subsequent to Acquisition | 16cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FriscoVTXMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,159us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FriscoVTXMember |  |
Building and Improvements | 5,729us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FriscoVTXMember |  |
Total | 6,888cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FriscoVTXMember |  |
Accumulated Depreciation | 46cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FriscoVTXMember |  |
Frisco VI, TX |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 68,926us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FriscoVITXMember |  |
Initial cost |  |  |
Land | 1,064us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FriscoVITXMember |  |
Building and Improvements | 5,247us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FriscoVITXMember |  |
Costs Subsequent to Acquisition | 2cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FriscoVITXMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,064us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FriscoVITXMember |  |
Building and Improvements | 5,249us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FriscoVITXMember |  |
Total | 6,313cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FriscoVITXMember |  |
Accumulated Depreciation | 28cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FriscoVITXMember |  |
Garland I, TX |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 70,100us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GarlandITXMember |  |
Initial cost |  |  |
Land | 751us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GarlandITXMember |  |
Building and Improvements | 3,984us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GarlandITXMember |  |
Costs Subsequent to Acquisition | 419cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GarlandITXMember |  |
Gross Carrying Amount at year end |  |  |
Land | 767us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GarlandITXMember |  |
Building and Improvements | 3,817us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GarlandITXMember |  |
Total | 4,584cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GarlandITXMember |  |
Accumulated Depreciation | 916cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GarlandITXMember |  |
Garland II, TX |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 68,425us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GarlandIITXMember |  |
Initial cost |  |  |
Land | 862us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GarlandIITXMember |  |
Building and Improvements | 4,578us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GarlandIITXMember |  |
Costs Subsequent to Acquisition | 206cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GarlandIITXMember |  |
Gross Carrying Amount at year end |  |  |
Land | 862us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GarlandIITXMember |  |
Building and Improvements | 4,187us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GarlandIITXMember |  |
Total | 5,049cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GarlandIITXMember |  |
Accumulated Depreciation | 943cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_GarlandIITXMember |  |
Houston III, TX |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 60,820us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HoustonIIITXMember |  |
Initial cost |  |  |
Land | 575us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HoustonIIITXMember |  |
Building and Improvements | 524us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HoustonIIITXMember |  |
Costs Subsequent to Acquisition | 287cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HoustonIIITXMember |  |
Gross Carrying Amount at year end |  |  |
Land | 576us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HoustonIIITXMember |  |
Building and Improvements | 699us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HoustonIIITXMember |  |
Total | 1,275cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HoustonIIITXMember |  |
Accumulated Depreciation | 196cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HoustonIIITXMember |  |
Houston IV, TX |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 43,750us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HoustonIVTXMember |  |
Initial cost |  |  |
Land | 960us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HoustonIVTXMember |  |
Building and Improvements | 875us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HoustonIVTXMember |  |
Costs Subsequent to Acquisition | 371cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HoustonIVTXMember |  |
Gross Carrying Amount at year end |  |  |
Land | 961us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HoustonIVTXMember |  |
Building and Improvements | 1,052us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HoustonIVTXMember |  |
Total | 2,013cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HoustonIVTXMember |  |
Accumulated Depreciation | 245cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HoustonIVTXMember |  |
Houston V, TX |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 125,135us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HoustonVTXMember |  |
Initial cost |  |  |
Land | 1,153us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HoustonVTXMember |  |
Building and Improvements | 6,122us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HoustonVTXMember |  |
Costs Subsequent to Acquisition | 712cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HoustonVTXMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,156us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HoustonVTXMember |  |
Building and Improvements | 5,972us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HoustonVTXMember |  |
Total | 7,128cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HoustonVTXMember |  |
Accumulated Depreciation | 1,327cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HoustonVTXMember |  |
Houston VI, TX |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 54,680us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HoustonVITXMember |  |
Initial cost |  |  |
Land | 575us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HoustonVITXMember |  |
Building and Improvements | 524us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HoustonVITXMember |  |
Costs Subsequent to Acquisition | 5,709cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HoustonVITXMember |  |
Gross Carrying Amount at year end |  |  |
Land | 983us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HoustonVITXMember |  |
Building and Improvements | 4,912us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HoustonVITXMember |  |
Total | 5,895cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HoustonVITXMember |  |
Accumulated Depreciation | 443cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HoustonVITXMember |  |
Houston VII, TX |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 47,102us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HoustonVIITXMember |  |
Initial cost |  |  |
Land | 681us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HoustonVIITXMember |  |
Building and Improvements | 3,355us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HoustonVIITXMember |  |
Costs Subsequent to Acquisition | 83cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HoustonVIITXMember |  |
Gross Carrying Amount at year end |  |  |
Land | 681us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HoustonVIITXMember |  |
Building and Improvements | 3,438us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HoustonVIITXMember |  |
Total | 4,119cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HoustonVIITXMember |  |
Accumulated Depreciation | 238cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HoustonVIITXMember |  |
Houston VIII, TX |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 54,241us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HoustonVIIITXMember |  |
Initial cost |  |  |
Land | 1,294us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HoustonVIIITXMember |  |
Building and Improvements | 6,377us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HoustonVIIITXMember |  |
Costs Subsequent to Acquisition | 136cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HoustonVIIITXMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,294us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HoustonVIIITXMember |  |
Building and Improvements | 6,514us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HoustonVIIITXMember |  |
Total | 7,808cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HoustonVIIITXMember |  |
Accumulated Depreciation | 343cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HoustonVIIITXMember |  |
Houston IX, TX |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 51,218us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HoustonIXTXMember |  |
Initial cost |  |  |
Land | 296us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HoustonIXTXMember |  |
Building and Improvements | 1,459us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HoustonIXTXMember |  |
Costs Subsequent to Acquisition | 62cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HoustonIXTXMember |  |
Gross Carrying Amount at year end |  |  |
Land | 296us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HoustonIXTXMember |  |
Building and Improvements | 1,521us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HoustonIXTXMember |  |
Total | 1,817cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HoustonIXTXMember |  |
Accumulated Depreciation | 80cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_HoustonIXTXMember |  |
Katy, TX |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 71,308us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_KatyTXMember |  |
Initial cost |  |  |
Land | 1,329us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_KatyTXMember |  |
Building and Improvements | 6,552us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_KatyTXMember |  |
Costs Subsequent to Acquisition | 9cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_KatyTXMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,329us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_KatyTXMember |  |
Building and Improvements | 6,561us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_KatyTXMember |  |
Total | 7,890cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_KatyTXMember |  |
Accumulated Depreciation | 957cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_KatyTXMember |  |
Keller, TX |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 61,885us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_KellerTXMember |  |
Initial cost |  |  |
Land | 890us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_KellerTXMember |  |
Building and Improvements | 4,727us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_KellerTXMember |  |
Costs Subsequent to Acquisition | 140cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_KellerTXMember |  |
Gross Carrying Amount at year end |  |  |
Land | 890us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_KellerTXMember |  |
Building and Improvements | 4,282us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_KellerTXMember |  |
Total | 5,172cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_KellerTXMember |  |
Accumulated Depreciation | 1,057cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_KellerTXMember |  |
Lewisville I, TX |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 58,140us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LewisvilleITXMember |  |
Initial cost |  |  |
Land | 476us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LewisvilleITXMember |  |
Building and Improvements | 2,525us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LewisvilleITXMember |  |
Costs Subsequent to Acquisition | 295cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LewisvilleITXMember |  |
Gross Carrying Amount at year end |  |  |
Land | 492us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LewisvilleITXMember |  |
Building and Improvements | 2,406us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LewisvilleITXMember |  |
Total | 2,898cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LewisvilleITXMember |  |
Accumulated Depreciation | 566cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LewisvilleITXMember |  |
Lewisville II, TX |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 127,609us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LewisvilleIITXMember |  |
Initial cost |  |  |
Land | 1,464us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LewisvilleIITXMember |  |
Building and Improvements | 7,217us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LewisvilleIITXMember |  |
Costs Subsequent to Acquisition | 135cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LewisvilleIITXMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,464us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LewisvilleIITXMember |  |
Building and Improvements | 7,353us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LewisvilleIITXMember |  |
Total | 8,817cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LewisvilleIITXMember |  |
Accumulated Depreciation | 601cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LewisvilleIITXMember |  |
Mansfield I, TX |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 63,025us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MansfieldITXMember |  |
Initial cost |  |  |
Land | 837us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MansfieldITXMember |  |
Building and Improvements | 4,443us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MansfieldITXMember |  |
Costs Subsequent to Acquisition | 197cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MansfieldITXMember |  |
Gross Carrying Amount at year end |  |  |
Land | 843us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MansfieldITXMember |  |
Building and Improvements | 4,062us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MansfieldITXMember |  |
Total | 4,905cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MansfieldITXMember |  |
Accumulated Depreciation | 983cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MansfieldITXMember |  |
Mansfield II, TX |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 57,775us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MansfieldIITXMember |  |
Initial cost |  |  |
Land | 662us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MansfieldIITXMember |  |
Building and Improvements | 3,261us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MansfieldIITXMember |  |
Costs Subsequent to Acquisition | 63cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MansfieldIITXMember |  |
Gross Carrying Amount at year end |  |  |
Land | 662us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MansfieldIITXMember |  |
Building and Improvements | 3,323us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MansfieldIITXMember |  |
Total | 3,985cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MansfieldIITXMember |  |
Accumulated Depreciation | 193cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MansfieldIITXMember |  |
McKinney I, TX |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 47,020us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_McKinneyITXMember |  |
Initial cost |  |  |
Land | 1,632us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_McKinneyITXMember |  |
Building and Improvements | 1,486us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_McKinneyITXMember |  |
Costs Subsequent to Acquisition | 134cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_McKinneyITXMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,634us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_McKinneyITXMember |  |
Building and Improvements | 1,381us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_McKinneyITXMember |  |
Total | 3,015cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_McKinneyITXMember |  |
Accumulated Depreciation | 364cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_McKinneyITXMember |  |
McKinney II, TX |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 70,050us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_McKinneyIITXMember |  |
Initial cost |  |  |
Land | 855us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_McKinneyIITXMember |  |
Building and Improvements | 5,076us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_McKinneyIITXMember |  |
Costs Subsequent to Acquisition | 161cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_McKinneyIITXMember |  |
Gross Carrying Amount at year end |  |  |
Land | 857us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_McKinneyIITXMember |  |
Building and Improvements | 4,612us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_McKinneyIITXMember |  |
Total | 5,469cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_McKinneyIITXMember |  |
Accumulated Depreciation | 1,131cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_McKinneyIITXMember |  |
McKinney III, TX |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 67,468us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MckinneyIIITXMember |  |
Initial cost |  |  |
Land | 652us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MckinneyIIITXMember |  |
Building and Improvements | 3,213us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MckinneyIIITXMember |  |
Costs Subsequent to Acquisition | 1cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MckinneyIIITXMember |  |
Gross Carrying Amount at year end |  |  |
Land | 652us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MckinneyIIITXMember |  |
Building and Improvements | 3,214us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MckinneyIIITXMember |  |
Total | 3,866cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MckinneyIIITXMember |  |
North Richland Hills, TX |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 57,200us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorthRichlandHillsTXMember |  |
Initial cost |  |  |
Land | 2,252us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorthRichlandHillsTXMember |  |
Building and Improvements | 2,049us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorthRichlandHillsTXMember |  |
Costs Subsequent to Acquisition | 126cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorthRichlandHillsTXMember |  |
Gross Carrying Amount at year end |  |  |
Land | 2,252us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorthRichlandHillsTXMember |  |
Building and Improvements | 1,798us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorthRichlandHillsTXMember |  |
Total | 4,050cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorthRichlandHillsTXMember |  |
Accumulated Depreciation | 490cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_NorthRichlandHillsTXMember |  |
Pearland, TX |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 72,050us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PearlandTXMember |  |
Initial cost |  |  |
Land | 450us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PearlandTXMember |  |
Building and Improvements | 2,216us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PearlandTXMember |  |
Costs Subsequent to Acquisition | 82cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PearlandTXMember |  |
Gross Carrying Amount at year end |  |  |
Land | 450us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PearlandTXMember |  |
Building and Improvements | 2,299us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PearlandTXMember |  |
Total | 2,749cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PearlandTXMember |  |
Accumulated Depreciation | 121cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_PearlandTXMember |  |
Richmond, TX |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 102,278us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RichmondTXMember |  |
Initial cost |  |  |
Land | 1,437us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RichmondTXMember |  |
Building and Improvements | 7,083us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RichmondTXMember |  |
Costs Subsequent to Acquisition | 66cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RichmondTXMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,437us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RichmondTXMember |  |
Building and Improvements | 7,149us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RichmondTXMember |  |
Total | 8,586cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RichmondTXMember |  |
Accumulated Depreciation | 322cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RichmondTXMember |  |
Roanoke, TX |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 59,660us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RoanokeTXMember |  |
Initial cost |  |  |
Land | 1,337us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RoanokeTXMember |  |
Building and Improvements | 1,217us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RoanokeTXMember |  |
Costs Subsequent to Acquisition | 127cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RoanokeTXMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,337us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RoanokeTXMember |  |
Building and Improvements | 1,145us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RoanokeTXMember |  |
Total | 2,482cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RoanokeTXMember |  |
Accumulated Depreciation | 295cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_RoanokeTXMember |  |
San Antonio I, TX |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 73,309us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanAntonioITXMember |  |
Initial cost |  |  |
Land | 2,895us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanAntonioITXMember |  |
Building and Improvements | 2,635us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanAntonioITXMember |  |
Costs Subsequent to Acquisition | 306cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanAntonioITXMember |  |
Gross Carrying Amount at year end |  |  |
Land | 2,895us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanAntonioITXMember |  |
Building and Improvements | 2,410us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanAntonioITXMember |  |
Total | 5,305cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanAntonioITXMember |  |
Accumulated Depreciation | 612cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanAntonioITXMember |  |
San Antonio II, TX |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 73,230us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanAntonioIITXMember |  |
Initial cost |  |  |
Land | 1,047us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanAntonioIITXMember |  |
Building and Improvements | 5,558us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanAntonioIITXMember |  |
Costs Subsequent to Acquisition | 148cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanAntonioIITXMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,052us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanAntonioIITXMember |  |
Building and Improvements | 5,013us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanAntonioIITXMember |  |
Total | 6,065cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanAntonioIITXMember |  |
Accumulated Depreciation | 1,134cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanAntonioIITXMember |  |
San Antonio III, TX |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 71,775us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanAntonioIIITXMember |  |
Initial cost |  |  |
Land | 996us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanAntonioIIITXMember |  |
Building and Improvements | 5,286us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanAntonioIIITXMember |  |
Costs Subsequent to Acquisition | 235cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanAntonioIIITXMember |  |
Gross Carrying Amount at year end |  |  |
Land | 996us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanAntonioIIITXMember |  |
Building and Improvements | 4,799us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanAntonioIIITXMember |  |
Total | 5,795cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanAntonioIIITXMember |  |
Accumulated Depreciation | 1,052cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SanAntonioIIITXMember |  |
Spring, TX |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 72,751us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SpringTXMember |  |
Initial cost |  |  |
Land | 580us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SpringTXMember |  |
Building and Improvements | 3,081us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SpringTXMember |  |
Costs Subsequent to Acquisition | 205cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SpringTXMember |  |
Gross Carrying Amount at year end |  |  |
Land | 580us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SpringTXMember |  |
Building and Improvements | 2,839us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SpringTXMember |  |
Total | 3,419cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SpringTXMember |  |
Accumulated Depreciation | 690cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SpringTXMember |  |
Murray I, UT |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 60,280us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MurrayIUTMember |  |
Initial cost |  |  |
Land | 3,847us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MurrayIUTMember |  |
Building and Improvements | 1,017us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MurrayIUTMember |  |
Costs Subsequent to Acquisition | 458cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MurrayIUTMember |  |
Gross Carrying Amount at year end |  |  |
Land | 3,848us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MurrayIUTMember |  |
Building and Improvements | 1,261us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MurrayIUTMember |  |
Total | 5,109cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MurrayIUTMember |  |
Accumulated Depreciation | 337cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MurrayIUTMember |  |
Murray II, UT |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 71,221us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MurrayIIUTMember |  |
Initial cost |  |  |
Land | 2,147us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MurrayIIUTMember |  |
Building and Improvements | 567us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MurrayIIUTMember |  |
Costs Subsequent to Acquisition | 460cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MurrayIIUTMember |  |
Gross Carrying Amount at year end |  |  |
Land | 2,148us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MurrayIIUTMember |  |
Building and Improvements | 865us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MurrayIIUTMember |  |
Total | 3,013cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MurrayIIUTMember |  |
Accumulated Depreciation | 262cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_MurrayIIUTMember |  |
Salt Lake City I, UT |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 56,446us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SaltLakeCityIUTMember |  |
Initial cost |  |  |
Land | 2,695us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SaltLakeCityIUTMember |  |
Building and Improvements | 712us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SaltLakeCityIUTMember |  |
Costs Subsequent to Acquisition | 477cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SaltLakeCityIUTMember |  |
Gross Carrying Amount at year end |  |  |
Land | 2,696us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SaltLakeCityIUTMember |  |
Building and Improvements | 1,012us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SaltLakeCityIUTMember |  |
Total | 3,708cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SaltLakeCityIUTMember |  |
Accumulated Depreciation | 251cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SaltLakeCityIUTMember |  |
Salt Lake City II, UT |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 51,676us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SaltLakeCityIIUTMember |  |
Initial cost |  |  |
Land | 2,074us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SaltLakeCityIIUTMember |  |
Building and Improvements | 548us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SaltLakeCityIIUTMember |  |
Costs Subsequent to Acquisition | 364cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SaltLakeCityIIUTMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,931us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SaltLakeCityIIUTMember |  |
Building and Improvements | 747us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SaltLakeCityIIUTMember |  |
Total | 2,678cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SaltLakeCityIIUTMember |  |
Accumulated Depreciation | 203cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_SaltLakeCityIIUTMember |  |
Alexandria, VA |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 114,150us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AlexandriaVAMember |  |
Encumbrances | 9,221us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AlexandriaVAMember |  |
Initial cost |  |  |
Land | 2,812us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AlexandriaVAMember |  |
Building and Improvements | 13,865us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AlexandriaVAMember |  |
Costs Subsequent to Acquisition | 177cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AlexandriaVAMember |  |
Gross Carrying Amount at year end |  |  |
Land | 2,812us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AlexandriaVAMember |  |
Building and Improvements | 14,043us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AlexandriaVAMember |  |
Total | 16,855cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AlexandriaVAMember |  |
Accumulated Depreciation | 745cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_AlexandriaVAMember |  |
Burke Lake, VA |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 91,667us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BurkeLakeVAMember |  |
Encumbrances | 7,105us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BurkeLakeVAMember |  |
Initial cost |  |  |
Land | 2,093us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BurkeLakeVAMember |  |
Building and Improvements | 10,940us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BurkeLakeVAMember |  |
Costs Subsequent to Acquisition | 1,094cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BurkeLakeVAMember |  |
Gross Carrying Amount at year end |  |  |
Land | 2,093us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BurkeLakeVAMember |  |
Building and Improvements | 10,438us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BurkeLakeVAMember |  |
Total | 12,531cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BurkeLakeVAMember |  |
Accumulated Depreciation | 1,045cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_BurkeLakeVAMember |  |
Fairfax, VA |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 73,325us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FairfaxVAMember |  |
Initial cost |  |  |
Land | 2,276us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FairfaxVAMember |  |
Building and Improvements | 11,220us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FairfaxVAMember |  |
Costs Subsequent to Acquisition | 182cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FairfaxVAMember |  |
Gross Carrying Amount at year end |  |  |
Land | 2,276us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FairfaxVAMember |  |
Building and Improvements | 11,402us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FairfaxVAMember |  |
Total | 13,678cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FairfaxVAMember |  |
Accumulated Depreciation | 541cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FairfaxVAMember |  |
Fredericksburg I, VA |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 69,475us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FredericksburgIVAMember |  |
Initial cost |  |  |
Land | 1,680us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FredericksburgIVAMember |  |
Building and Improvements | 4,840us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FredericksburgIVAMember |  |
Costs Subsequent to Acquisition | 280cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FredericksburgIVAMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,680us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FredericksburgIVAMember |  |
Building and Improvements | 4,447us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FredericksburgIVAMember |  |
Total | 6,127cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FredericksburgIVAMember |  |
Accumulated Depreciation | 1,086cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FredericksburgIVAMember |  |
Fredericksburg II, VA |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 61,057us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FredericksburgIIVAMember |  |
Initial cost |  |  |
Land | 1,757us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FredericksburgIIVAMember |  |
Building and Improvements | 5,062us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FredericksburgIIVAMember |  |
Costs Subsequent to Acquisition | 320cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FredericksburgIIVAMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,758us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FredericksburgIIVAMember |  |
Building and Improvements | 4,690us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FredericksburgIIVAMember |  |
Total | 6,448cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FredericksburgIIVAMember |  |
Accumulated Depreciation | 1,159cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_FredericksburgIIVAMember |  |
Leesburg, VA |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 85,503us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LeesburgVAMember |  |
Initial cost |  |  |
Land | 1,746us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LeesburgVAMember |  |
Building and Improvements | 9,894us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LeesburgVAMember |  |
Costs Subsequent to Acquisition | 79cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LeesburgVAMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,746us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LeesburgVAMember |  |
Building and Improvements | 8,685us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LeesburgVAMember |  |
Total | 10,431cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LeesburgVAMember |  |
Accumulated Depreciation | 644cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_LeesburgVAMember |  |
Manassas, VA |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 72,745us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ManassasVAMember |  |
Initial cost |  |  |
Land | 860us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ManassasVAMember |  |
Building and Improvements | 4,872us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ManassasVAMember |  |
Costs Subsequent to Acquisition | 118cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ManassasVAMember |  |
Gross Carrying Amount at year end |  |  |
Land | 860us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ManassasVAMember |  |
Building and Improvements | 4,327us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ManassasVAMember |  |
Total | 5,187cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ManassasVAMember |  |
Accumulated Depreciation | 467cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ManassasVAMember |  |
McLearen, VA |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 68,960us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_McLearenVAMember |  |
Initial cost |  |  |
Land | 1,482us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_McLearenVAMember |  |
Building and Improvements | 8,400us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_McLearenVAMember |  |
Costs Subsequent to Acquisition | 152cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_McLearenVAMember |  |
Gross Carrying Amount at year end |  |  |
Land | 1,482us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_McLearenVAMember |  |
Building and Improvements | 7,397us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_McLearenVAMember |  |
Total | 8,879cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_McLearenVAMember |  |
Accumulated Depreciation | 764cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_McLearenVAMember |  |
Vienna, VA |  |  |
REAL ESTATE AND RELATED DEPRECIATION |  |  |
Area of facility (in square feet) | 54,698us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ViennaVAMember |  |
Initial cost |  |  |
Land | 2,300us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ViennaVAMember |  |
Building and Improvements | 11,340us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ViennaVAMember |  |
Costs Subsequent to Acquisition | 115cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ViennaVAMember |  |
Gross Carrying Amount at year end |  |  |
Land | 2,300us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ViennaVAMember |  |
Building and Improvements | 11,456us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ViennaVAMember |  |
Total | 13,756cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ViennaVAMember |  |
Accumulated Depreciation | 549cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_ViennaVAMember |  |
Divisional Offices |  |  |
Initial cost |  |  |
Costs Subsequent to Acquisition | 168cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DivisionalOfficesMember |  |
Gross Carrying Amount at year end |  |  |
Building and Improvements | 168us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DivisionalOfficesMember |  |
Total | 168cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DivisionalOfficesMember |  |
Accumulated Depreciation | 29cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_DivisionalOfficesMember |  |
USIFB |  |  |
Initial cost |  |  |
Costs Subsequent to Acquisition | 5,702cube_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisition / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_USIFBMember |  |
Gross Carrying Amount at year end |  |  |
Building and Improvements | 5,702us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_USIFBMember |  |
Total | 5,702cube_RealEstateAndAccumulatedDepreciationCarryingAmount / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_USIFBMember |  |
Accumulated Depreciation | $ 1,247cube_RealEstateAndAccumulatedDepreciation / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cube_USIFBMember |  |

X
- Definition The amount of accumulated depreciation for the property The amount of accumulated depreciation for the property as of the balance sheet date. + References No definition available. + Details
Name: | cube_RealEstateAndAccumulatedDepreciation
Namespace Prefix: | cube_
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