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Schedule III - Real Estate and Accumulated Depreciation Schedule III - Real Estate and Accumulated Depreciation (Details) (USD $)	12 Months Ended
	Dec. 31, 2014		Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Real Estate and Accumulated Depreciation, Initial Cost of Land	$ 985,522,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	5,763,585,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	672,409,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
Real Estate and Accumulated Depreciation, Carrying Amount of Land	985,522,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	6,435,994,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	7,421,516,000us-gaap_RealEstateGrossAtCarryingValue		7,072,181,000us-gaap_RealEstateGrossAtCarryingValue	6,673,914,000us-gaap_RealEstateGrossAtCarryingValue	5,819,540,000us-gaap_RealEstateGrossAtCarryingValue
Real Estate and Accumulated Depreciation, Accumulated Depreciation	1,738,862,000us-gaap_RealEstateAccumulatedDepreciation		1,643,713,000us-gaap_RealEstateAccumulatedDepreciation	1,518,896,000us-gaap_RealEstateAccumulatedDepreciation	1,432,799,000us-gaap_RealEstateAccumulatedDepreciation
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	5,682,654,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation
Real Estate and Accumulated Depreciation, Amount of Encumbrances	905,628,000us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
Current Communities [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	985,522,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	5,075,096,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	672,409,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	985,522,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	5,747,505,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	6,733,027,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	1,736,404,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	4,996,623,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember
Real Estate and Accumulated Depreciation, Amount of Encumbrances	905,628,000us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember
Current Communities [Member] | Camden Copper Square [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	4,825,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCopperSquareMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	23,672,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCopperSquareMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	6,574,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCopperSquareMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	4,825,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCopperSquareMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	30,246,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCopperSquareMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	35,071,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCopperSquareMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	13,749,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCopperSquareMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	21,322,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCopperSquareMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2000
Current Communities [Member] | Camden Foothills [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	11,006,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenFoothillsMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	33,343,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenFoothillsMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenFoothillsMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	11,006,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenFoothillsMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	33,343,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenFoothillsMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	44,349,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenFoothillsMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	542,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenFoothillsMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	43,807,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenFoothillsMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2014
Current Communities [Member] | Camden Legacy [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	4,068,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLegacyMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	26,612,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLegacyMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	10,592,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLegacyMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	4,068,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLegacyMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	37,204,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLegacyMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	41,272,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLegacyMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	19,457,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLegacyMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	21,815,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLegacyMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	1998
Current Communities [Member] | Camden Montierra [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	13,687,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenMontierraMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	31,727,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenMontierraMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	4,767,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenMontierraMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	13,687,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenMontierraMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	36,494,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenMontierraMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	50,181,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenMontierraMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	2,780,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenMontierraMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	47,401,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenMontierraMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2012
Current Communities [Member] | Camden Pecos Ranch [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	3,362,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPecosRanchMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	24,492,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPecosRanchMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	4,485,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPecosRanchMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	3,362,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPecosRanchMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	28,977,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPecosRanchMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	32,339,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPecosRanchMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	3,559,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPecosRanchMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	28,780,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPecosRanchMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2012
Current Communities [Member] | Camden San Marcos [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	11,520,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSanMarcosMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	35,166,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSanMarcosMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	5,134,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSanMarcosMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	11,520,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSanMarcosMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	40,300,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSanMarcosMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	51,820,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSanMarcosMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	3,179,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSanMarcosMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	48,641,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSanMarcosMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2012
Current Communities [Member] | Camden San Paloma [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	6,480,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSanPalomaMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	23,045,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSanPalomaMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	7,587,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSanPalomaMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	6,480,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSanPalomaMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	30,632,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSanPalomaMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	37,112,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSanPalomaMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	12,081,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSanPalomaMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	25,031,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSanPalomaMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2002
Current Communities [Member] | Camden Sotelo [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	3,376,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSoteloMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	30,576,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSoteloMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	481,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSoteloMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	3,376,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSoteloMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	31,057,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSoteloMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	34,433,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSoteloMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	1,554,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSoteloMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	32,879,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSoteloMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2013
Current Communities [Member] | Camden Crown Valley [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	9,381,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCrownValleyMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	54,210,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCrownValleyMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	7,597,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCrownValleyMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	9,381,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCrownValleyMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	61,807,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCrownValleyMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	71,188,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCrownValleyMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	24,723,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCrownValleyMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	46,465,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCrownValleyMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2001
Current Communities [Member] | Camden Harbor View [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	16,079,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenHarborViewMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	127,459,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenHarborViewMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	7,683,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenHarborViewMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	16,079,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenHarborViewMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	135,142,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenHarborViewMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	151,221,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenHarborViewMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	45,591,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenHarborViewMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	105,630,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenHarborViewMember
Real Estate and Accumulated Depreciation, Amount of Encumbrances	92,716,000us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenHarborViewMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2003
Current Communities [Member] | Camden Main Jamboree [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	17,363,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenMainandJamboreeMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	75,387,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenMainandJamboreeMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	767,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenMainandJamboreeMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	17,363,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenMainandJamboreeMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	76,154,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenMainandJamboreeMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	93,517,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenMainandJamboreeMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	11,390,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenMainandJamboreeMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	82,127,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenMainandJamboreeMember
Real Estate and Accumulated Depreciation, Amount of Encumbrances	49,757,000us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenMainandJamboreeMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2008
Current Communities [Member] | Camden Martinique [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	28,401,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenMartiniqueMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	51,861,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenMartiniqueMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	16,153,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenMartiniqueMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	28,401,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenMartiniqueMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	68,014,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenMartiniqueMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	96,415,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenMartiniqueMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	34,197,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenMartiniqueMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	62,218,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenMartiniqueMember
Real Estate and Accumulated Depreciation, Amount of Encumbrances	34,751,000us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenMartiniqueMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	1998
Current Communities [Member] | Camden Parkside [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	29,730,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenParksideMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	34,368,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenParksideMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	1,209,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenParksideMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	29,730,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenParksideMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	35,577,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenParksideMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	65,307,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenParksideMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	3,909,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenParksideMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	61,398,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenParksideMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2012
Current Communities [Member] | Camden Sea Palms [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	4,336,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSeaPalmsMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	9,930,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSeaPalmsMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	3,105,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSeaPalmsMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	4,336,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSeaPalmsMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	13,035,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSeaPalmsMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	17,371,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSeaPalmsMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	7,035,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSeaPalmsMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	10,336,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSeaPalmsMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	1998
Current Communities [Member] | Camden Landmark [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	17,339,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLandmarkMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	71,315,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLandmarkMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	1,148,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLandmarkMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	17,339,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLandmarkMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	72,463,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLandmarkMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	89,802,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLandmarkMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	6,033,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLandmarkMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	83,769,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLandmarkMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2012
Current Communities [Member] | Camden Old Creek [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	20,360,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenOldCreekMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	71,777,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenOldCreekMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	1,067,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenOldCreekMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	20,360,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenOldCreekMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	72,844,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenOldCreekMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	93,204,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenOldCreekMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	18,884,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenOldCreekMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	74,320,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenOldCreekMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2007
Current Communities [Member] | Camden Sierra At Otay Ranch [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	10,585,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSierraAtOtayRanchMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	49,781,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSierraAtOtayRanchMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	4,388,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSierraAtOtayRanchMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	10,585,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSierraAtOtayRanchMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	54,169,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSierraAtOtayRanchMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	64,754,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSierraAtOtayRanchMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	19,355,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSierraAtOtayRanchMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	45,399,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSierraAtOtayRanchMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2003
Current Communities [Member] | Camden Tuscany [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	3,330,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenTuscanyMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	36,466,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenTuscanyMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	3,779,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenTuscanyMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	3,330,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenTuscanyMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	40,245,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenTuscanyMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	43,575,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenTuscanyMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	13,766,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenTuscanyMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	29,809,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenTuscanyMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2003
Current Communities [Member] | Camden Vineyards [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	4,367,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenVineyardsMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	28,494,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenVineyardsMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	2,356,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenVineyardsMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	4,367,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenVineyardsMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	30,850,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenVineyardsMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	35,217,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenVineyardsMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	11,952,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenVineyardsMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	23,265,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenVineyardsMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2002
Current Communities [Member] | Camden Belleview Station [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	8,091,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBelleviewStationMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	44,003,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBelleviewStationMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	681,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBelleviewStationMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	8,091,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBelleviewStationMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	44,684,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBelleviewStationMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	52,775,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBelleviewStationMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	3,371,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBelleviewStationMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	49,404,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBelleviewStationMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2012
Current Communities [Member] | Camden Caley [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	2,047,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCaleyMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	17,445,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCaleyMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	4,287,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCaleyMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	2,047,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCaleyMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	21,732,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCaleyMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	23,779,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCaleyMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	9,649,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCaleyMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	14,130,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCaleyMember
Real Estate and Accumulated Depreciation, Amount of Encumbrances	15,351,000us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCaleyMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2000
Current Communities [Member] | Camden Denver West [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	6,396,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenDenverWestMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	51,552,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenDenverWestMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	1,407,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenDenverWestMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	6,396,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenDenverWestMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	52,959,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenDenverWestMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	59,355,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenDenverWestMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	3,472,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenDenverWestMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	55,883,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenDenverWestMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2012
Current Communities [Member] | Camden Highlands Ridge [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	2,612,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenHighlandsRidgeMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	34,726,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenHighlandsRidgeMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	9,278,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenHighlandsRidgeMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	2,612,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenHighlandsRidgeMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	44,004,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenHighlandsRidgeMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	46,616,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenHighlandsRidgeMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	19,628,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenHighlandsRidgeMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	26,988,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenHighlandsRidgeMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	1996
Current Communities [Member] | Camden Interlocken [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	5,293,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenInterlockenMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	31,612,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenInterlockenMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	7,717,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenInterlockenMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	5,293,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenInterlockenMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	39,329,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenInterlockenMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	44,622,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenInterlockenMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	18,449,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenInterlockenMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	26,173,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenInterlockenMember
Real Estate and Accumulated Depreciation, Amount of Encumbrances	27,431,000us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenInterlockenMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	1999
Current Communities [Member] | Camden Lakeway [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	3,915,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLakewayMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	34,129,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLakewayMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	11,030,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLakewayMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	3,915,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLakewayMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	45,159,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLakewayMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	49,074,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLakewayMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	21,503,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLakewayMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	27,571,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLakewayMember
Real Estate and Accumulated Depreciation, Amount of Encumbrances	29,267,000us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLakewayMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	1997
Current Communities [Member] | Camden Ashburn Farms [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	4,835,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenAshburnFarmMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	22,604,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenAshburnFarmMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	1,446,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenAshburnFarmMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	4,835,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenAshburnFarmMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	24,050,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenAshburnFarmMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	28,885,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenAshburnFarmMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	7,360,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenAshburnFarmMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	21,525,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenAshburnFarmMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2005
Current Communities [Member] | Camden Clearbrook [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	2,384,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenClearbrookMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	44,017,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenClearbrookMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	925,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenClearbrookMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	2,384,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenClearbrookMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	44,942,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenClearbrookMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	47,326,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenClearbrookMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	11,810,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenClearbrookMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	35,516,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenClearbrookMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2007
Current Communities [Member] | Camden College Park [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	16,409,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCollegeParkMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	91,503,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCollegeParkMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	1,462,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCollegeParkMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	16,409,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCollegeParkMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	92,965,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCollegeParkMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	109,374,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCollegeParkMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	12,491,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCollegeParkMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	96,883,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCollegeParkMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2008
Current Communities [Member] | Camden Dulles Station [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	10,807,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenDullesStationMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	61,548,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenDullesStationMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	2,284,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenDullesStationMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	10,807,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenDullesStationMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	63,832,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenDullesStationMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	74,639,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenDullesStationMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	14,384,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenDullesStationMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	60,255,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenDullesStationMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2008
Current Communities [Member] | Camden Fair Lakes [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	15,515,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenFairLakesMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	104,223,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenFairLakesMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	6,762,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenFairLakesMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	15,515,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenFairLakesMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	110,985,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenFairLakesMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	126,500,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenFairLakesMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	32,746,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenFairLakesMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	93,754,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenFairLakesMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2005
Current Communities [Member] | Camden Fairfax Corner [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	8,484,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenFairfaxCornerMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	72,953,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenFairfaxCornerMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	3,900,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenFairfaxCornerMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	8,484,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenFairfaxCornerMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	76,853,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenFairfaxCornerMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	85,337,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenFairfaxCornerMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	21,266,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenFairfaxCornerMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	64,071,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenFairfaxCornerMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2006
Current Communities [Member] | Camden Fallsgrove [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	9,408,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenFallsgroveMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	43,647,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenFallsgroveMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	4,353,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenFallsgroveMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	9,408,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenFallsgroveMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	48,000,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenFallsgroveMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	57,408,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenFallsgroveMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	14,231,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenFallsgroveMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	43,177,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenFallsgroveMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2005
Current Communities [Member] | Camden Grand Parc [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	7,688,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenGrandParcMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	35,900,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenGrandParcMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	1,387,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenGrandParcMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	7,688,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenGrandParcMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	37,287,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenGrandParcMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	44,975,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenGrandParcMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	10,973,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenGrandParcMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	34,002,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenGrandParcMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2005
Current Communities [Member] | Camden Landsdowne [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	15,502,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLandsdowneMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	102,267,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLandsdowneMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	4,865,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLandsdowneMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	15,502,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLandsdowneMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	107,132,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLandsdowneMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	122,634,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLandsdowneMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	32,559,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLandsdowneMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	90,075,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLandsdowneMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2005
Current Communities [Member] | Camden Largo Town Center [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	8,411,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLargoTownCenterMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	44,163,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLargoTownCenterMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	2,589,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLargoTownCenterMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	8,411,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLargoTownCenterMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	46,752,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLargoTownCenterMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	55,163,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLargoTownCenterMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	13,748,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLargoTownCenterMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	41,415,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLargoTownCenterMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2005
Current Communities [Member] | Camden Monument Place [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	9,030,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenMonumentPlaceMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	54,089,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenMonumentPlaceMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	852,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenMonumentPlaceMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	9,030,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenMonumentPlaceMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	54,941,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenMonumentPlaceMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	63,971,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenMonumentPlaceMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	13,980,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenMonumentPlaceMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	49,991,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenMonumentPlaceMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2007
Current Communities [Member] | Camden NoMa [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	19,442,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenNomaMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	82,126,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenNomaMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenNomaMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	19,442,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenNomaMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	82,126,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenNomaMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	101,568,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenNomaMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	3,482,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenNomaMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	98,086,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenNomaMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2014
Current Communities [Member] | Camden Potomac Yard [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	16,498,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPotomacYardMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	88,317,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPotomacYardMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	584,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPotomacYardMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	16,498,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPotomacYardMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	88,901,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPotomacYardMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	105,399,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPotomacYardMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	21,131,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPotomacYardMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	84,268,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPotomacYardMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2008
Current Communities [Member] | Camden Roosevelt [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	11,470,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenRooseveltMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	45,785,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenRooseveltMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	923,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenRooseveltMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	11,470,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenRooseveltMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	46,708,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenRooseveltMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	58,178,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenRooseveltMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	14,159,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenRooseveltMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	44,019,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenRooseveltMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2005
Current Communities [Member] | Camden Russett [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	13,460,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenRussettMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	61,837,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenRussettMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	3,746,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenRussettMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	13,460,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenRussettMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	65,583,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenRussettMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	79,043,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenRussettMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	19,913,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenRussettMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	59,130,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenRussettMember
Real Estate and Accumulated Depreciation, Amount of Encumbrances	45,063,000us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenRussettMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2005
Current Communities [Member] | Camden Silo Creek [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	9,707,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSiloCreekMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	45,301,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSiloCreekMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	1,672,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSiloCreekMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	9,707,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSiloCreekMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	46,973,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSiloCreekMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	56,680,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSiloCreekMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	14,021,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSiloCreekMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	42,659,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSiloCreekMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2005
Current Communities [Member] | Camden Summerfield [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	14,659,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSummerfieldMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	48,404,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSummerfieldMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	890,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSummerfieldMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	14,659,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSummerfieldMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	49,294,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSummerfieldMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	63,953,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSummerfieldMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	12,133,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSummerfieldMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	51,820,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSummerfieldMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2008
Current Communities [Member] | Camden Summerfield Two [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	4,459,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSummerfieldTwoMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	20,566,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSummerfieldTwoMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	5,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSummerfieldTwoMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	4,459,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSummerfieldTwoMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	20,571,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSummerfieldTwoMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	25,030,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSummerfieldTwoMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	2,707,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSummerfieldTwoMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	22,323,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSummerfieldTwoMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2012
Current Communities [Member] | Camden Aventura [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	12,185,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenAventuraMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	47,616,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenAventuraMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	10,130,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenAventuraMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	12,185,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenAventuraMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	57,746,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenAventuraMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	69,931,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenAventuraMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	17,712,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenAventuraMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	52,219,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenAventuraMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2005
Current Communities [Member] | Camden Boca Raton [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	2,201,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBocaRatonMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	49,499,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBocaRatonMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBocaRatonMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	2,201,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBocaRatonMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	49,499,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBocaRatonMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	51,700,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBocaRatonMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	599,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBocaRatonMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	51,101,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBocaRatonMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2014
Current Communities [Member] | Camden Brickell [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	14,621,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBrickellMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	57,031,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBrickellMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	10,296,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBrickellMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	14,621,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBrickellMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	67,327,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBrickellMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	81,948,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBrickellMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	20,430,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBrickellMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	61,518,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBrickellMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2005
Current Communities [Member] | Camden Doral [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	10,260,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenDoralMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	40,416,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenDoralMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	4,618,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenDoralMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	10,260,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenDoralMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	45,034,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenDoralMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	55,294,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenDoralMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	13,064,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenDoralMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	42,230,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenDoralMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2005
Current Communities [Member] | Camden Doral Villas [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	6,476,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenDoralVillasMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	25,543,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenDoralVillasMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	5,294,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenDoralVillasMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	6,476,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenDoralVillasMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	30,837,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenDoralVillasMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	37,313,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenDoralVillasMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	9,210,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenDoralVillasMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	28,103,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenDoralVillasMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2005
Current Communities [Member] | Camden Las Olas [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	12,395,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLasOlasMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	79,518,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLasOlasMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	7,803,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLasOlasMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	12,395,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLasOlasMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	87,321,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLasOlasMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	99,716,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLasOlasMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	26,091,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLasOlasMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	73,625,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLasOlasMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2005
Current Communities [Member] | Camden Plantation [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	6,299,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPlantationMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	77,964,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPlantationMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	6,450,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPlantationMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	6,299,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPlantationMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	84,414,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPlantationMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	90,713,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPlantationMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	25,801,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPlantationMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	64,912,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPlantationMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2005
Current Communities [Member] | Camden Portofino [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	9,867,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPortofinoMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	38,702,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPortofinoMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	3,994,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPortofinoMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	9,867,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPortofinoMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	42,696,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPortofinoMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	52,563,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPortofinoMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	13,141,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPortofinoMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	39,422,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPortofinoMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2005
Current Communities [Member] | Camden Hunters Creek [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	4,156,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenHuntersCreekMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	20,925,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenHuntersCreekMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	4,317,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenHuntersCreekMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	4,156,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenHuntersCreekMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	25,242,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenHuntersCreekMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	29,398,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenHuntersCreekMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	7,418,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenHuntersCreekMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	21,980,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenHuntersCreekMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2005
Current Communities [Member] | Camden Lago Vista [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	3,497,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLagoVistaMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	29,623,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLagoVistaMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	1,281,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLagoVistaMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	3,497,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLagoVistaMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	30,904,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLagoVistaMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	34,401,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLagoVistaMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	10,348,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLagoVistaMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	24,053,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLagoVistaMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2005
Current Communities [Member] | Camden LaVina [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	12,907,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLavinaMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	42,569,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLavinaMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	58,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLavinaMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	12,907,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLavinaMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	42,627,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLavinaMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	55,534,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLavinaMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	6,148,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLavinaMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	49,386,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLavinaMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2012
Current Communities [Member] | Camden Lee Vista [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	4,350,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLeeVistaMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	34,643,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLeeVistaMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	4,845,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLeeVistaMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	4,350,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLeeVistaMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	39,488,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLeeVistaMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	43,838,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLeeVistaMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	18,172,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLeeVistaMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	25,666,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLeeVistaMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2000
Current Communities [Member] | Camden Orange Court [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	5,319,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenOrangeCourtMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	40,733,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenOrangeCourtMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	739,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenOrangeCourtMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	5,319,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenOrangeCourtMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	41,472,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenOrangeCourtMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	46,791,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenOrangeCourtMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	9,893,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenOrangeCourtMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	36,898,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenOrangeCourtMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2008
Current Communities [Member] | Camden Renaissance [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	4,144,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenRenaissanceMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	39,987,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenRenaissanceMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	5,639,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenRenaissanceMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	4,144,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenRenaissanceMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	45,626,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenRenaissanceMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	49,770,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenRenaissanceMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	22,520,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenRenaissanceMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	27,250,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenRenaissanceMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	1997
Current Communities [Member] | Camden Town Square [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	13,127,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenTownSquareMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	45,997,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenTownSquareMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	33,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenTownSquareMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	13,127,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenTownSquareMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	46,030,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenTownSquareMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	59,157,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenTownSquareMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	4,968,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenTownSquareMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	54,189,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenTownSquareMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2012
Current Communities [Member] | Camden World Gateway [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	5,785,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenWorldGatewayMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	51,821,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenWorldGatewayMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	5,516,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenWorldGatewayMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	5,785,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenWorldGatewayMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	57,337,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenWorldGatewayMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	63,122,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenWorldGatewayMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	16,296,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenWorldGatewayMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	46,826,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenWorldGatewayMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2005
Current Communities [Member] | Camden Bay [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	7,450,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBayMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	63,283,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBayMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	9,141,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBayMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	7,450,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBayMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	72,424,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBayMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	79,874,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBayMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	31,189,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBayMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	48,685,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBayMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	1998/2002
Current Communities [Member] | Camden Lakes [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	3,106,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLakesMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	22,746,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLakesMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	13,812,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLakesMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	3,106,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLakesMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	36,558,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLakesMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	39,664,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLakesMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	28,262,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLakesMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	11,402,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLakesMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	1997
Current Communities [Member] | Camden Montague [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	3,576,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenMontagueMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	16,534,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenMontagueMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	22,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenMontagueMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	3,576,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenMontagueMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	16,556,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenMontagueMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	20,132,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenMontagueMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	2,258,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenMontagueMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	17,874,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenMontagueMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2012
Current Communities [Member] | Camden Preserve [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	1,206,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPreserveMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	17,982,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPreserveMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	6,578,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPreserveMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	1,206,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPreserveMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	24,560,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPreserveMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	25,766,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPreserveMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	11,860,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPreserveMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	13,906,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPreserveMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	1997
Current Communities [Member] | Camden Providence Lakes [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	2,020,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenProvidenceLakesMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	14,855,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenProvidenceLakesMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	6,343,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenProvidenceLakesMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	2,020,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenProvidenceLakesMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	21,198,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenProvidenceLakesMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	23,218,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenProvidenceLakesMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	9,526,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenProvidenceLakesMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	13,692,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenProvidenceLakesMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2002
Current Communities [Member] | Camden Royal Palms [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	2,147,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenRoyalPalmsMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	38,339,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenRoyalPalmsMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	2,117,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenRoyalPalmsMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	2,147,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenRoyalPalmsMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	40,456,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenRoyalPalmsMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	42,603,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenRoyalPalmsMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	9,957,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenRoyalPalmsMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	32,646,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenRoyalPalmsMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2007
Current Communities [Member] | Camden Westchase Park [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	11,955,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenWestchaseParkMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	36,254,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenWestchaseParkMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	80,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenWestchaseParkMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	11,955,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenWestchaseParkMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	36,334,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenWestchaseParkMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	48,289,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenWestchaseParkMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	4,221,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenWestchaseParkMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	44,068,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenWestchaseParkMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2012
Current Communities [Member] | Camden Westshore [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	1,734,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenWestshoreMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	10,819,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenWestshoreMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	7,037,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenWestshoreMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	1,734,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenWestshoreMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	17,856,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenWestshoreMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	19,590,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenWestshoreMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	12,855,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenWestshoreMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	6,735,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenWestshoreMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	1997
Current Communities [Member] | Camden Woods [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	2,693,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenWoodsMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	19,930,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenWoodsMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	10,463,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenWoodsMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	2,693,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenWoodsMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	30,393,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenWoodsMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	33,086,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenWoodsMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	20,899,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenWoodsMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	12,187,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenWoodsMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	1999
Current Communities [Member] | Camden Brookwood [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	7,174,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBrookwoodMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	31,984,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBrookwoodMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	6,536,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBrookwoodMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	7,174,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBrookwoodMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	38,520,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBrookwoodMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	45,694,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBrookwoodMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	11,909,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBrookwoodMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	33,785,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBrookwoodMember
Real Estate and Accumulated Depreciation, Amount of Encumbrances	22,624,000us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBrookwoodMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2005
Current Communities [Member] | Camden Creekstone [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	5,017,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCreekstoneMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	19,912,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCreekstoneMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	619,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCreekstoneMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	5,017,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCreekstoneMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	20,531,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCreekstoneMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	25,548,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCreekstoneMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	1,854,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCreekstoneMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	23,694,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCreekstoneMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2012
Current Communities [Member] | Camden Deerfield [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	4,895,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenDeerfieldMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	21,922,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenDeerfieldMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	5,523,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenDeerfieldMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	4,895,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenDeerfieldMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	27,445,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenDeerfieldMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	32,340,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenDeerfieldMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	8,313,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenDeerfieldMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	24,027,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenDeerfieldMember
Real Estate and Accumulated Depreciation, Amount of Encumbrances	19,220,000us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenDeerfieldMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2005
Current Communities [Member] | Camden Dunwoody [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	5,290,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenDunwoodyMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	23,642,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenDunwoodyMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	6,896,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenDunwoodyMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	5,290,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenDunwoodyMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	30,538,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenDunwoodyMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	35,828,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenDunwoodyMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	9,261,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenDunwoodyMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	26,567,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenDunwoodyMember
Real Estate and Accumulated Depreciation, Amount of Encumbrances	21,168,000us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenDunwoodyMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2005
Current Communities [Member] | Camden Fourth Ward [Member] [Domain]
Real Estate and Accumulated Depreciation, Initial Cost of Land	10,477,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenFourthWardMemberDomain
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	51,258,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenFourthWardMemberDomain
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	83,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenFourthWardMemberDomain
Real Estate and Accumulated Depreciation, Carrying Amount of Land	10,477,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenFourthWardMemberDomain
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	51,341,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenFourthWardMemberDomain
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	61,818,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenFourthWardMemberDomain
Real Estate and Accumulated Depreciation, Accumulated Depreciation	366,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenFourthWardMemberDomain
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	61,452,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenFourthWardMemberDomain
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2014
Current Communities [Member] | Camden Midtown Atlanta [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	6,196,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenMidtownAtlantaMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	33,828,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenMidtownAtlantaMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	4,341,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenMidtownAtlantaMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	6,196,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenMidtownAtlantaMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	38,169,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenMidtownAtlantaMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	44,365,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenMidtownAtlantaMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	12,187,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenMidtownAtlantaMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	32,178,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenMidtownAtlantaMember
Real Estate and Accumulated Depreciation, Amount of Encumbrances	20,565,000us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenMidtownAtlantaMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2005
Current Communities [Member] | Camden Peachtree City [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	6,536,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPeachtreeCityMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	29,063,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPeachtreeCityMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	3,365,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPeachtreeCityMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	6,536,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPeachtreeCityMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	32,428,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPeachtreeCityMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	38,964,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPeachtreeCityMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	10,349,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPeachtreeCityMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	28,615,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPeachtreeCityMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2005
Current Communities [Member] | Camden Shiloh [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	4,181,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenShilohMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	18,798,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenShilohMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	4,210,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenShilohMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	4,181,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenShilohMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	23,008,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenShilohMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	27,189,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenShilohMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	7,142,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenShilohMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	20,047,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenShilohMember
Real Estate and Accumulated Depreciation, Amount of Encumbrances	10,576,000us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenShilohMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2005
Current Communities [Member] | Camden St Clair [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	7,526,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenStClairMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	27,486,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenStClairMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	6,751,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenStClairMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	7,526,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenStClairMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	34,237,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenStClairMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	41,763,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenStClairMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	10,707,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenStClairMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	31,056,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenStClairMember
Real Estate and Accumulated Depreciation, Amount of Encumbrances	21,646,000us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenStClairMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2005
Current Communities [Member] | Camden Stockbridge [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	5,071,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenStockbridgeMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	22,693,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenStockbridgeMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	3,019,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenStockbridgeMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	5,071,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenStockbridgeMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	25,712,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenStockbridgeMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	30,783,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenStockbridgeMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	8,338,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenStockbridgeMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	22,445,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenStockbridgeMember
Real Estate and Accumulated Depreciation, Amount of Encumbrances	14,332,000us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenStockbridgeMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2005
Current Communities [Member] | Camden Vantage [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	11,787,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenVantageMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	68,822,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenVantageMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	918,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenVantageMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	11,787,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenVantageMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	69,740,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenVantageMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	81,527,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenVantageMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	3,578,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenVantageMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	77,949,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenVantageMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2013
Current Communities [Member] | Camden Bel Air [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	3,594,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBelAirMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	31,221,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBelAirMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	6,775,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBelAirMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	3,594,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBelAirMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	37,996,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBelAirMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	41,590,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBelAirMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	22,551,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBelAirMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	19,039,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBelAirMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	1998
Current Communities [Member] | Camden Breeze [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	2,894,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBreezeMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	15,828,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBreezeMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	5,309,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBreezeMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	2,894,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBreezeMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	21,137,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBreezeMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	24,031,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBreezeMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	12,176,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBreezeMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	11,855,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBreezeMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	1998
Current Communities [Member] | Camden Canyon [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	1,802,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCanyonMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	11,666,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCanyonMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	5,038,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCanyonMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	1,802,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCanyonMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	16,704,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCanyonMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	18,506,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCanyonMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	10,047,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCanyonMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	8,459,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCanyonMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	1998
Current Communities [Member] | Camden Centre [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	172,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCentreMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	1,166,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCentreMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	384,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCentreMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	172,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCentreMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	1,550,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCentreMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	1,722,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCentreMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	951,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCentreMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	771,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCentreMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	1998
Current Communities [Member] | Camden Commons [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	2,476,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCommonsMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	20,073,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCommonsMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	6,569,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCommonsMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	2,476,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCommonsMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	26,642,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCommonsMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	29,118,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCommonsMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	18,016,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCommonsMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	11,102,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCommonsMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	1998
Current Communities [Member] | Camden Cove [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	1,382,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCoveMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	6,266,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCoveMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	1,862,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCoveMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	1,382,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCoveMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	8,128,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCoveMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	9,510,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCoveMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	5,204,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCoveMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	4,306,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCoveMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	1998
Current Communities [Member] | Camden Del Mar [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	4,404,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenDelMarMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	35,264,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenDelMarMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	14,183,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenDelMarMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	4,404,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenDelMarMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	49,447,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenDelMarMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	53,851,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenDelMarMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	29,696,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenDelMarMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	24,155,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenDelMarMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	1998
Current Communities [Member] | Camden Fairways [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	3,969,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenFairwaysMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	15,543,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenFairwaysMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	9,981,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenFairwaysMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	3,969,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenFairwaysMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	25,524,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenFairwaysMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	29,493,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenFairwaysMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	16,874,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenFairwaysMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	12,619,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenFairwaysMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	1998
Current Communities [Member] | Camden Hills [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	853,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenHillsMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	7,834,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenHillsMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	1,703,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenHillsMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	853,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenHillsMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	9,537,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenHillsMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	10,390,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenHillsMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	5,988,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenHillsMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	4,402,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenHillsMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	1998
Current Communities [Member] | Camden Legends [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	1,370,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLegendsMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	6,382,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLegendsMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	1,355,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLegendsMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	1,370,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLegendsMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	7,737,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLegendsMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	9,107,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLegendsMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	4,344,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLegendsMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	4,763,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLegendsMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	1998
Current Communities [Member] | Camden Palisades [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	8,406,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPalisadesMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	31,497,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPalisadesMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	8,797,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPalisadesMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	8,406,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPalisadesMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	40,294,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPalisadesMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	48,700,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPalisadesMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	22,914,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPalisadesMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	25,786,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPalisadesMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	1998
Current Communities [Member] | Camden Pines [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	3,496,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPinesMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	21,852,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPinesMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	1,094,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPinesMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	3,496,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPinesMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	22,946,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPinesMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	26,442,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPinesMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	2,595,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPinesMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	23,847,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPinesMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2012
Current Communities [Member] | Camden Pointe [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	2,058,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPointeMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	14,879,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPointeMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	3,242,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPointeMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	2,058,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPointeMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	18,121,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPointeMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	20,179,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPointeMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	9,782,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPointeMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	10,397,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPointeMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	1998
Current Communities [Member] | Camden Summit [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	11,212,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSummitMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	18,399,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSummitMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	992,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSummitMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	11,212,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSummitMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	19,391,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSummitMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	30,603,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSummitMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	2,186,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSummitMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	28,417,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSummitMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2012
Current Communities [Member] | Camden Tiara [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	7,709,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenTiaraMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	28,644,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenTiaraMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	1,025,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenTiaraMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	7,709,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenTiaraMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	29,669,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenTiaraMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	37,378,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenTiaraMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	3,335,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenTiaraMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	34,043,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenTiaraMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2012
Current Communities [Member] | Camden Vintage [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	3,641,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenVintageMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	19,255,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenVintageMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	5,565,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenVintageMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	3,641,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenVintageMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	24,820,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenVintageMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	28,461,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenVintageMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	15,199,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenVintageMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	13,262,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenVintageMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	1998
Current Communities [Member] | Camden Ballantyne [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	4,503,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBallantyneMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	30,250,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBallantyneMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	7,150,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBallantyneMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	4,503,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBallantyneMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	37,400,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBallantyneMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	41,903,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBallantyneMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	11,842,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBallantyneMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	30,061,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBallantyneMember
Real Estate and Accumulated Depreciation, Amount of Encumbrances	26,025,000us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBallantyneMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2005
Current Communities [Member] | Camden Cotton Mills [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	4,246,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCottonMillsMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	19,147,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCottonMillsMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	5,358,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCottonMillsMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	4,246,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCottonMillsMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	24,505,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCottonMillsMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	28,751,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCottonMillsMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	7,936,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCottonMillsMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	20,815,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCottonMillsMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2005
Current Communities [Member] | Camden Dilworth [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	516,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenDilworthMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	16,633,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenDilworthMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	1,715,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenDilworthMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	516,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenDilworthMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	18,348,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenDilworthMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	18,864,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenDilworthMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	5,181,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenDilworthMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	13,683,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenDilworthMember
Real Estate and Accumulated Depreciation, Amount of Encumbrances	13,073,000us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenDilworthMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2006
Current Communities [Member] | Camden Fairview [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	1,283,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenFairviewMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	7,223,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenFairviewMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	3,575,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenFairviewMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	1,283,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenFairviewMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	10,798,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenFairviewMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	12,081,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenFairviewMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	3,847,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenFairviewMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	8,234,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenFairviewMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2005
Current Communities [Member] | Camden Foxcroft [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	1,408,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenFoxcroftMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	7,919,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenFoxcroftMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	3,547,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenFoxcroftMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	1,408,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenFoxcroftMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	11,466,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenFoxcroftMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	12,874,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenFoxcroftMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	4,337,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenFoxcroftMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	8,537,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenFoxcroftMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2005
Current Communities [Member] | Camden Grandview [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	7,570,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenGrandviewMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	33,859,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenGrandviewMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	6,412,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenGrandviewMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	7,570,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenGrandviewMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	40,271,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenGrandviewMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	47,841,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenGrandviewMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	12,955,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenGrandviewMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	34,886,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenGrandviewMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2005
Current Communities [Member] | Camden Sedgebrook [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	5,266,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSedgebrookMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	29,211,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSedgebrookMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	6,366,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSedgebrookMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	5,266,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSedgebrookMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	35,577,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSedgebrookMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	40,843,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSedgebrookMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	11,256,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSedgebrookMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	29,587,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSedgebrookMember
Real Estate and Accumulated Depreciation, Amount of Encumbrances	21,306,000us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSedgebrookMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2005
Current Communities [Member] | Camden Simsbury [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	1,152,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSimsburyMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	6,499,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSimsburyMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	2,168,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSimsburyMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	1,152,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSimsburyMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	8,667,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSimsburyMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	9,819,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSimsburyMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	2,807,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSimsburyMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	7,012,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSimsburyMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2005
Current Communities [Member] | Camden South End Square [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	6,625,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSouthEndSquareMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	29,175,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSouthEndSquareMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	5,981,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSouthEndSquareMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	6,625,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSouthEndSquareMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	35,156,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSouthEndSquareMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	41,781,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSouthEndSquareMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	10,825,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSouthEndSquareMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	30,956,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSouthEndSquareMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2005
Current Communities [Member] | Camden Stonecrest [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	3,941,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenStonecrestMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	22,021,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenStonecrestMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	5,396,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenStonecrestMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	3,941,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenStonecrestMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	27,417,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenStonecrestMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	31,358,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenStonecrestMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	8,867,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenStonecrestMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	22,491,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenStonecrestMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2005
Current Communities [Member] | Camden Touchstone [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	1,203,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenTouchstoneMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	6,772,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenTouchstoneMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	2,574,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenTouchstoneMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	1,203,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenTouchstoneMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	9,346,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenTouchstoneMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	10,549,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenTouchstoneMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	3,657,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenTouchstoneMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	6,892,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenTouchstoneMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2005
Current Communities [Member] | Camden Crest [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	4,412,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCrestMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	31,108,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCrestMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	2,982,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCrestMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	4,412,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCrestMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	34,090,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCrestMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	38,502,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCrestMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	10,698,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCrestMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	27,804,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCrestMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2005
Current Communities [Member] | Camden Governors Village [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	3,669,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenGovernorsVillageMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	20,508,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenGovernorsVillageMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	2,732,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenGovernorsVillageMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	3,669,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenGovernorsVillageMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	23,240,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenGovernorsVillageMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	26,909,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenGovernorsVillageMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	7,592,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenGovernorsVillageMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	19,317,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenGovernorsVillageMember
Real Estate and Accumulated Depreciation, Amount of Encumbrances	13,004,000us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenGovernorsVillageMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2005
Current Communities [Member] | Camden Lake Pine [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	5,746,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLakePineMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	31,714,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLakePineMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	6,256,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLakePineMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	5,746,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLakePineMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	37,970,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLakePineMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	43,716,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLakePineMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	12,478,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLakePineMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	31,238,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLakePineMember
Real Estate and Accumulated Depreciation, Amount of Encumbrances	26,212,000us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLakePineMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2005
Current Communities [Member] | Camden Manor Park [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	2,535,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenManorParkMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	47,159,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenManorParkMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	1,498,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenManorParkMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	2,535,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenManorParkMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	48,657,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenManorParkMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	51,192,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenManorParkMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	14,480,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenManorParkMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	36,712,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenManorParkMember
Real Estate and Accumulated Depreciation, Amount of Encumbrances	29,675,000us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenManorParkMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2006
Current Communities [Member] | Camden Overlook [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	4,591,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenOverlookMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	25,563,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenOverlookMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	7,747,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenOverlookMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	4,591,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenOverlookMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	33,310,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenOverlookMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	37,901,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenOverlookMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	10,378,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenOverlookMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	27,523,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenOverlookMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2005
Current Communities [Member] | Camden Reunion Park [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	3,302,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenReunionParkMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	18,457,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenReunionParkMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	4,480,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenReunionParkMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	3,302,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenReunionParkMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	22,937,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenReunionParkMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	26,239,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenReunionParkMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	7,522,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenReunionParkMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	18,717,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenReunionParkMember
Real Estate and Accumulated Depreciation, Amount of Encumbrances	19,961,000us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenReunionParkMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2005
Current Communities [Member] | Camden Westwood [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	4,567,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenWestwoodMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	25,519,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenWestwoodMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	4,103,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenWestwoodMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	4,567,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenWestwoodMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	29,622,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenWestwoodMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	34,189,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenWestwoodMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	9,401,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenWestwoodMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	24,788,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenWestwoodMember
Real Estate and Accumulated Depreciation, Amount of Encumbrances	19,907,000us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenWestwoodMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2005
Current Communities [Member] | Camden Cedar Hills [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	2,684,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCedarHillsMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	20,931,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCedarHillsMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	222,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCedarHillsMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	2,684,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCedarHillsMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	21,153,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCedarHillsMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	23,837,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCedarHillsMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	5,654,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCedarHillsMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	18,183,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCedarHillsMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2008
Current Communities [Member] | Camden Gaines Ranch [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	5,094,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenGainesRanchMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	37,100,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenGainesRanchMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	8,667,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenGainesRanchMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	5,094,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenGainesRanchMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	45,767,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenGainesRanchMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	50,861,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenGainesRanchMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	13,411,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenGainesRanchMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	37,450,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenGainesRanchMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2005
Current Communities [Member] | Camden Huntingdon [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	2,289,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenHuntingdonMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	17,393,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenHuntingdonMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	8,229,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenHuntingdonMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	2,289,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenHuntingdonMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	25,622,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenHuntingdonMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	27,911,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenHuntingdonMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	13,566,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenHuntingdonMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	14,345,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenHuntingdonMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	1995
Current Communities [Member] | Camden Stoneleigh [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	3,498,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenStoneleighMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	31,285,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenStoneleighMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	6,495,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenStoneleighMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	3,498,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenStoneleighMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	37,780,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenStoneleighMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	41,278,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenStoneleighMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	10,530,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenStoneleighMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	30,748,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenStoneleighMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2006
Current Communities [Member] | Camden Breakers [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	1,055,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBreakersMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	13,024,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBreakersMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	7,542,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBreakersMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	1,055,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBreakersMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	20,566,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBreakersMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	21,621,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBreakersMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	10,977,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBreakersMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	10,644,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBreakersMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	1996
Current Communities [Member] | Camden Copper Ridge [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	1,204,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCopperRidgeMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	9,180,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCopperRidgeMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	6,972,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCopperRidgeMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	1,204,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCopperRidgeMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	16,152,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCopperRidgeMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	17,356,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCopperRidgeMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	11,844,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCopperRidgeMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	5,512,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCopperRidgeMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	1993
Current Communities [Member] | Camden Miramar [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenMiramarMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	38,784,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenMiramarMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	17,524,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenMiramarMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenMiramarMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	56,308,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenMiramarMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	56,308,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenMiramarMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	19,811,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenMiramarMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	36,497,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenMiramarMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	1994-2014
Current Communities [Member] | Camden Addison [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	11,516,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenAddisonMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	29,332,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenAddisonMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	5,300,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenAddisonMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	11,516,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenAddisonMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	34,632,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenAddisonMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	46,148,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenAddisonMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	4,208,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenAddisonMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	41,940,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenAddisonMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2012
Current Communities [Member] | Camden Belmont [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	12,521,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBelmontMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	61,522,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBelmontMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	762,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBelmontMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	12,521,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBelmontMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	62,284,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBelmontMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	74,805,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBelmontMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	5,682,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBelmontMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	69,123,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBelmontMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2012
Current Communities [Member] | Camden Buckingham [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	2,704,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBuckinghamMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	21,251,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBuckinghamMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	8,326,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBuckinghamMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	2,704,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBuckinghamMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	29,577,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBuckinghamMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	32,281,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBuckinghamMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	14,147,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBuckinghamMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	18,134,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBuckinghamMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	1997
Current Communities [Member] | Camden Centreport [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	1,613,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCentreportMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	12,644,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCentreportMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	4,988,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCentreportMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	1,613,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCentreportMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	17,632,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCentreportMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	19,245,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCentreportMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	8,544,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCentreportMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	10,701,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCentreportMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	1997
Current Communities [Member] | Camden Cimarron [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	2,231,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCimarronMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	14,092,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCimarronMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	6,615,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCimarronMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	2,231,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCimarronMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	20,707,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCimarronMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	22,938,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCimarronMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	11,410,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCimarronMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	11,528,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCimarronMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	1997
Current Communities [Member] | Camden Farmers Market [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	17,341,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenFarmersMarketMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	74,193,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenFarmersMarketMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	13,002,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenFarmersMarketMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	17,341,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenFarmersMarketMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	87,195,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenFarmersMarketMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	104,536,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenFarmersMarketMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	34,023,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenFarmersMarketMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	70,513,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenFarmersMarketMember
Real Estate and Accumulated Depreciation, Amount of Encumbrances	50,711,000us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenFarmersMarketMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2001/2005
Current Communities [Member] | Camden Henderson [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	3,842,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenHendersonMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	15,256,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenHendersonMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	113,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenHendersonMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	3,842,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenHendersonMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	15,369,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenHendersonMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	19,211,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenHendersonMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	1,550,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenHendersonMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	17,661,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenHendersonMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2012
Current Communities [Member] | Camden Legacy Creek [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	2,052,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLegacyCreekMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	12,896,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLegacyCreekMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	5,590,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLegacyCreekMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	2,052,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLegacyCreekMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	18,486,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLegacyCreekMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	20,538,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLegacyCreekMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	9,481,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLegacyCreekMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	11,057,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLegacyCreekMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	1997
Current Communities [Member] | Camden Legacy Park [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	2,560,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLegacyParkMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	15,449,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLegacyParkMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	6,405,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLegacyParkMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	2,560,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLegacyParkMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	21,854,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLegacyParkMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	24,414,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLegacyParkMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	11,121,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLegacyParkMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	13,293,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLegacyParkMember
Real Estate and Accumulated Depreciation, Amount of Encumbrances	13,866,000us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLegacyParkMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	1997
Current Communities [Member] | Camden Valley Park [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	3,096,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenValleyParkMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	14,667,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenValleyParkMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	13,279,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenValleyParkMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	3,096,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenValleyParkMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	27,946,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenValleyParkMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	31,042,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenValleyParkMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	24,000,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenValleyParkMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	7,042,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenValleyParkMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	1994
Current Communities [Member] | Camden City Centre [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	4,976,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCityCentreMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	44,735,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCityCentreMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	954,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCityCentreMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	4,976,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCityCentreMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	45,689,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCityCentreMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	50,665,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCityCentreMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	11,962,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCityCentreMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	38,703,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCityCentreMember
Real Estate and Accumulated Depreciation, Amount of Encumbrances	33,795,000us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCityCentreMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2007
Current Communities [Member] | Camden City Centre Two [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	5,101,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCityCentreTwoMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	28,131,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCityCentreTwoMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	19,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCityCentreTwoMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	5,101,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCityCentreTwoMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	28,150,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCityCentreTwoMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	33,251,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCityCentreTwoMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	2,612,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCityCentreTwoMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	30,639,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenCityCentreTwoMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2013
Current Communities [Member] | Camden Greenway [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	16,916,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenGreenwayMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	43,933,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenGreenwayMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	15,942,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenGreenwayMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	16,916,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenGreenwayMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	59,875,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenGreenwayMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	76,791,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenGreenwayMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	27,237,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenGreenwayMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	49,554,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenGreenwayMember
Real Estate and Accumulated Depreciation, Amount of Encumbrances	52,360,000us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenGreenwayMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	1999
Current Communities [Member] | Camden Holly Springs [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	11,108,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenHollySpringsMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	42,852,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenHollySpringsMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	7,401,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenHollySpringsMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	11,108,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenHollySpringsMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	50,253,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenHollySpringsMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	61,361,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenHollySpringsMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	5,594,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenHollySpringsMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	55,767,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenHollySpringsMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2012
Current Communities [Member] | Camden Midtown [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	4,583,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenMidtownMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	18,026,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenMidtownMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	8,231,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenMidtownMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	4,583,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenMidtownMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	26,257,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenMidtownMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	30,840,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenMidtownMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	12,532,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenMidtownMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	18,308,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenMidtownMember
Real Estate and Accumulated Depreciation, Amount of Encumbrances	28,058,000us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenMidtownMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	1999
Current Communities [Member] | Camden Oak Crest [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	2,078,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenOakCrestMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	20,941,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenOakCrestMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	3,363,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenOakCrestMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	2,078,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenOakCrestMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	24,304,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenOakCrestMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	26,382,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenOakCrestMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	9,470,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenOakCrestMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	16,912,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenOakCrestMember
Real Estate and Accumulated Depreciation, Amount of Encumbrances	17,309,000us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenOakCrestMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2003
Current Communities [Member] | Camden Park [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	4,922,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenParkMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	16,453,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenParkMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	2,035,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenParkMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	4,922,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenParkMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	18,488,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenParkMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	23,410,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenParkMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	2,133,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenParkMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	21,277,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenParkMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2012
Current Communities [Member] | Camden Plaza [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	7,204,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPlazaMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	31,044,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPlazaMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	635,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPlazaMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	7,204,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPlazaMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	31,679,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPlazaMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	38,883,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPlazaMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	4,535,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPlazaMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	34,348,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPlazaMember
Real Estate and Accumulated Depreciation, Amount of Encumbrances	21,120,000us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPlazaMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2007
Current Communities [Member] | Camden Post Oak [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	14,302,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPostOakMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	92,557,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPostOakMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	6,030,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPostOakMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	14,302,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPostOakMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	98,587,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPostOakMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	112,889,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPostOakMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	5,406,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPostOakMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	107,483,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPostOakMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2013
Current Communities [Member] | Camden Royal Oaks [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	1,055,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenRoyalOaksMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	20,046,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenRoyalOaksMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	520,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenRoyalOaksMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	1,055,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenRoyalOaksMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	20,566,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenRoyalOaksMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	21,621,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenRoyalOaksMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	6,482,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenRoyalOaksMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	15,139,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenRoyalOaksMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2006
Current Communities [Member] | Camden Royal Oaks Two [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	587,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenRoyalOaksTwoMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	12,743,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenRoyalOaksTwoMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	14,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenRoyalOaksTwoMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	587,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenRoyalOaksTwoMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	12,757,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenRoyalOaksTwoMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	13,344,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenRoyalOaksTwoMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	1,642,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenRoyalOaksTwoMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	11,702,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenRoyalOaksTwoMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2012
Current Communities [Member] | Camden Stonebridge [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	1,016,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenStonebridgeMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	7,137,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenStonebridgeMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	3,637,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenStonebridgeMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	1,016,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenStonebridgeMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	10,774,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenStonebridgeMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	11,790,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenStonebridgeMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	6,822,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenStonebridgeMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	4,968,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenStonebridgeMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	1993
Current Communities [Member] | Camden Sugar Grove [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	7,614,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSugarGroveMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	27,594,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSugarGroveMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	1,056,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSugarGroveMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	7,614,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSugarGroveMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	28,650,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSugarGroveMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	36,264,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSugarGroveMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	3,138,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSugarGroveMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	33,126,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenSugarGroveMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2012
Current Communities [Member] | Camden Travis Street [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	1,780,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenTravisStreetMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	29,104,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenTravisStreetMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	274,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenTravisStreetMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	1,780,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenTravisStreetMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	29,378,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenTravisStreetMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	31,158,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenTravisStreetMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	6,639,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenTravisStreetMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	24,519,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenTravisStreetMember
Real Estate and Accumulated Depreciation, Amount of Encumbrances	21,614,000us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenTravisStreetMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2010
Current Communities [Member] | Camden Vanderbilt [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	16,076,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenVanderbiltMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	44,918,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenVanderbiltMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	17,200,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenVanderbiltMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	16,076,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenVanderbiltMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	62,118,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenVanderbiltMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	78,194,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenVanderbiltMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	35,596,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenVanderbiltMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	42,598,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenVanderbiltMember
Real Estate and Accumulated Depreciation, Amount of Encumbrances	73,165,000us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenVanderbiltMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	1994/1997
Current Communities [Member] | Camden Whispering Oaks [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	1,188,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenWhisperingOaksMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	26,242,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenWhisperingOaksMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	369,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenWhisperingOaksMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	1,188,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenWhisperingOaksMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	26,611,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenWhisperingOaksMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	27,799,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenWhisperingOaksMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	6,984,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenWhisperingOaksMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	20,815,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_CurrentCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenWhisperingOaksMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	2008
Construction Communities [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	568,810,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	568,810,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	568,810,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	2,458,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	566,352,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember
Real Estate and Accumulated Depreciation, Amount of Encumbrances	0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember
Construction Communities [Member] | Camden Chandler [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenChandlerMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	36,448,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenChandlerMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenChandlerMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenChandlerMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	36,448,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenChandlerMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	36,448,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenChandlerMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	4,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenChandlerMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	36,444,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenChandlerMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	N/A
Construction Communities [Member] | Camden Flatirons [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenFlatironsMember	[1]
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	74,231,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenFlatironsMember	[1]
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenFlatironsMember	[1]
Real Estate and Accumulated Depreciation, Carrying Amount of Land	0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenFlatironsMember	[1]
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	74,231,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenFlatironsMember	[1]
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	74,231,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenFlatironsMember	[1]
Real Estate and Accumulated Depreciation, Accumulated Depreciation	906,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenFlatironsMember	[1]
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	73,325,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenFlatironsMember	[1]
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	N/A	[1]
Construction Communities [Member] | Camden Gallery [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenGalleryMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	28,915,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenGalleryMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenGalleryMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenGalleryMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	28,915,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenGalleryMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	28,915,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenGalleryMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	28,915,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenGalleryMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	N/A
Construction Communities [Member] | Camden Glendale [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenGlendaleMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	94,797,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenGlendaleMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenGlendaleMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenGlendaleMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	94,797,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenGlendaleMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	94,797,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenGlendaleMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	3,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenGlendaleMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	94,794,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenGlendaleMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	N/A
Construction Communities [Member] | Camden Hayden [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenHaydenMember	[1]
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	41,085,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenHaydenMember	[1]
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenHaydenMember	[1]
Real Estate and Accumulated Depreciation, Carrying Amount of Land	0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenHaydenMember	[1]
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	41,085,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenHaydenMember	[1]
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	41,085,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenHaydenMember	[1]
Real Estate and Accumulated Depreciation, Accumulated Depreciation	84,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenHaydenMember	[1]
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	41,001,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenHaydenMember	[1]
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	N/A	[1]
Construction Communities [Member] | Camden La Frontera [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLaFronteraMember	[1]
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	34,949,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLaFronteraMember	[1]
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLaFronteraMember	[1]
Real Estate and Accumulated Depreciation, Carrying Amount of Land	0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLaFronteraMember	[1]
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	34,949,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLaFronteraMember	[1]
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	34,949,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLaFronteraMember	[1]
Real Estate and Accumulated Depreciation, Accumulated Depreciation	416,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLaFronteraMember	[1]
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	34,533,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLaFronteraMember	[1]
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	N/A	[1]
Construction Communities [Member] | Camden Lamar Heights [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLamarHeightsMember	[1]
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	45,564,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLamarHeightsMember	[1]
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLamarHeightsMember	[1]
Real Estate and Accumulated Depreciation, Carrying Amount of Land	0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLamarHeightsMember	[1]
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	45,564,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLamarHeightsMember	[1]
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	45,564,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLamarHeightsMember	[1]
Real Estate and Accumulated Depreciation, Accumulated Depreciation	470,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLamarHeightsMember	[1]
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	45,094,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLamarHeightsMember	[1]
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	N/A	[1]
Construction Communities [Member] | Camden Lincoln Station [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLincolnStationMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	8,403,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLincolnStationMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLincolnStationMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLincolnStationMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	8,403,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLincolnStationMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	8,403,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLincolnStationMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	8,403,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenLincolnStationMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	N/A
Construction Communities [Member] | Camden McGowen Station [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenMcgowenStationMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	11,214,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenMcgowenStationMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenMcgowenStationMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenMcgowenStationMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	11,214,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenMcgowenStationMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	11,214,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenMcgowenStationMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	11,214,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenMcgowenStationMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	N/A
Construction Communities [Member] | Camden Paces [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPacesMember	[1]
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	98,337,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPacesMember	[1]
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPacesMember	[1]
Real Estate and Accumulated Depreciation, Carrying Amount of Land	0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPacesMember	[1]
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	98,337,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPacesMember	[1]
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	98,337,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPacesMember	[1]
Real Estate and Accumulated Depreciation, Accumulated Depreciation	568,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPacesMember	[1]
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	97,769,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenPacesMember	[1]
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	N/A	[1]
Construction Communities [Member] | Camden Victory Park [Member]
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	33,169,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenVictoryParkMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenVictoryParkMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenVictoryParkMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	33,169,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenVictoryParkMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	33,169,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenVictoryParkMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	7,000us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenVictoryParkMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	33,162,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenVictoryParkMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	N/A
Construction Communities [Member] | The Camden [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_TheCamdenMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	61,698,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_TheCamdenMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_TheCamdenMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_TheCamdenMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	61,698,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_TheCamdenMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	61,698,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_TheCamdenMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	61,698,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_TotalConstructionCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_TheCamdenMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	N/A
Development Pipeline Communities [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_DevelopmentPipelineCommunitiesMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	105,716,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_DevelopmentPipelineCommunitiesMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_DevelopmentPipelineCommunitiesMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_DevelopmentPipelineCommunitiesMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	105,716,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_DevelopmentPipelineCommunitiesMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	105,716,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_DevelopmentPipelineCommunitiesMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation	0us-gaap_RealEstateAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_DevelopmentPipelineCommunitiesMember
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	105,716,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_DevelopmentPipelineCommunitiesMember
Real Estate and Accumulated Depreciation, Amount of Encumbrances	0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_DevelopmentPipelineCommunitiesMember
Development Pipeline Communities [Member] | Camden Atlantic [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_DevelopmentPipelineCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenAtlanticMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	12,759,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_DevelopmentPipelineCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenAtlanticMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_DevelopmentPipelineCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenAtlanticMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_DevelopmentPipelineCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenAtlanticMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	12,759,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_DevelopmentPipelineCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenAtlanticMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	12,759,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_DevelopmentPipelineCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenAtlanticMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	12,759,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_DevelopmentPipelineCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenAtlanticMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	N/A
Development Pipeline Communities [Member] | Camden Buckhead [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_DevelopmentPipelineCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBuckheadMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	20,908,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_DevelopmentPipelineCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBuckheadMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_DevelopmentPipelineCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBuckheadMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_DevelopmentPipelineCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBuckheadMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	20,908,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_DevelopmentPipelineCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBuckheadMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	20,908,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_DevelopmentPipelineCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBuckheadMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	20,908,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_DevelopmentPipelineCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenBuckheadMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	N/A
Development Pipeline Communities [Member] | Camden Conte [Domain]
Real Estate and Accumulated Depreciation, Initial Cost of Land	0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_DevelopmentPipelineCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenConteDomain
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	18,303,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_DevelopmentPipelineCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenConteDomain
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_DevelopmentPipelineCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenConteDomain
Real Estate and Accumulated Depreciation, Carrying Amount of Land	0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_DevelopmentPipelineCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenConteDomain
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	18,303,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_DevelopmentPipelineCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenConteDomain
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	18,303,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_DevelopmentPipelineCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenConteDomain
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	18,303,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_DevelopmentPipelineCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenConteDomain
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	N/A
Development Pipeline Communities [Member] | Camden NoMa II [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_DevelopmentPipelineCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenNOMAIIMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	22,149,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_DevelopmentPipelineCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenNOMAIIMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_DevelopmentPipelineCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenNOMAIIMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_DevelopmentPipelineCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenNOMAIIMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	22,149,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_DevelopmentPipelineCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenNOMAIIMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	22,149,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_DevelopmentPipelineCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenNOMAIIMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	22,149,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_DevelopmentPipelineCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenNOMAIIMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	N/A
Development Pipeline Communities [Member] | Camden Shady Grove [Member] [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_DevelopmentPipelineCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenShadyGroveMemberMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	31,597,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_DevelopmentPipelineCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenShadyGroveMemberMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_DevelopmentPipelineCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenShadyGroveMemberMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_DevelopmentPipelineCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenShadyGroveMemberMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	31,597,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_DevelopmentPipelineCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenShadyGroveMemberMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	31,597,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_DevelopmentPipelineCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenShadyGroveMemberMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	31,597,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_DevelopmentPipelineCommunitiesMember / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = cpt_CamdenShadyGroveMemberMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	N/A
Land Holdings [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_LandHoldingsMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	10,550,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_LandHoldingsMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_LandHoldingsMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_LandHoldingsMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	10,550,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_LandHoldingsMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	10,550,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_LandHoldingsMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation	10,550,000cpt_RealEstateAndAccumulatedDepreciationTotalCostOfRealEstateAssetsNetOfAccumulatedDepreciation / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = cpt_LandHoldingsMember
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date	N/A
Corporate [Member]
Real Estate and Accumulated Depreciation, Initial Cost of Land	0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_CorporateMember
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements	3,413,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_CorporateMember
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements	0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_CorporateMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land	0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_CorporateMember
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements	3,413,000us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_CorporateMember
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	3,413,000us-gaap_RealEstateGrossAtCarryingValue / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = us-gaap_CorporateMember
Real Estate and Accumulated Depreciation, Accumulated Depreciation
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[1] Properties are in lease-up at December 31, 2014. Balances presented here includes costs which are included in buildings and improvements and land on the consolidated balance sheet at December 31, 2014. These costs related to completed unit turns for these properties.

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