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INVESTMENT ACTIVITY (Details) |  |  |  |  |  |  | 1 Months Ended | 3 Months Ended | 12 Months Ended | 36 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jan. 18, 2023 USD ($) | Apr. 28, 2022 USD ($) | Feb. 02, 2022 USD ($) | Dec. 14, 2021 USD ($) | Dec. 09, 2021 facility item | Jun. 29, 2021 USD ($) | Jan. 31, 2024 USD ($) facility | Dec. 31, 2021 USD ($) | Dec. 31, 2023 USD ($) facility shares | Dec. 31, 2022 USD ($) facility shares | Dec. 31, 2021 USD ($) facility shares | Dec. 31, 2023 USD ($) facility
Self-storage facilities |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from involuntary conversion, net |  |  |  |  |  |  |  |  | $ 7,424,000 |  |  |
Gain on involuntary conversion, net |  |  |  |  |  |  |  |  | $ (4,827,000) |  |  |
Gain (loss) from sale of real estate |  |  |  |  |  |  |  |  |  |  | $ 32,698,000 |
Number of stores, construction completed and open for operation | facility |  |  |  |  |  |  |  |  |  |  |  | 6
Total Construction Costs |  |  |  |  |  |  |  |  |  |  |  | $ 154,900,000
Acquisition of noncontrolling interest |  |  |  |  |  |  |  |  |  |  | $ 3,397,000 |
OP units redeemed | shares |  |  |  |  |  |  |  |  | 126,087 | 475,046 | 5,519,233 |
Right-of-use assets - operating leases |  |  |  |  |  |  |  |  | $ 50,476,000 | $ 49,491,000 |  | $ 50,476,000
LAACO |  |  |  |  |  |  |  |  |  |  |  |
Self-storage facilities |  |  |  |  |  |  |  |  |  |  |  |
Gain (loss) from sale of real estate |  |  |  |  |  |  |  |  |  | $ 0 |  |
Subsequent event |  |  |  |  |  |  |  |  |  |  |  |
Self-storage facilities |  |  |  |  |  |  |  |  |  |  |  |
Aggregate purchase price |  |  |  |  |  |  | $ 20,200,000 |  |  |  |  |
Number of facilities to be acquired | facility |  |  |  |  |  |  | 2 |  |  |  |  |
Purchase Price |  |  |  |  |  |  | $ 20,200,000 |  |  |  |  |
Self storage under construction |  |  |  |  |  |  |  |  |  |  |  |
Self-storage facilities |  |  |  |  |  |  |  |  |  |  |  |
Number of self-storage facilities | facility |  |  |  |  |  |  |  |  | 4 |  |  | 4
Development costs |  |  |  |  |  |  |  |  | $ 59,300,000 |  |  | $ 59,300,000
Expected construction cost |  |  |  |  |  |  |  |  | $ 109,700,000 |  |  | $ 109,700,000
Self storage under construction | New York |  |  |  |  |  |  |  |  |  |  |  |
Self-storage facilities |  |  |  |  |  |  |  |  |  |  |  |
Number of self-storage facilities | facility |  |  |  |  |  |  |  |  | 3 |  |  | 3
Self storage under construction | New Jersey |  |  |  |  |  |  |  |  |  |  |  |
Self-storage facilities |  |  |  |  |  |  |  |  |  |  |  |
Number of self-storage facilities | facility |  |  |  |  |  |  |  |  | 1 |  |  | 1
Self Storage Facility in Valley Stream, NY |  |  |  |  |  |  |  |  |  |  |  |
Self-storage facilities |  |  |  |  |  |  |  |  |  |  |  |
Number of stores, construction completed and open for operation | facility |  |  |  |  |  |  |  |  |  |  |  | 1
Ownership interest held by the entity (as a percent) |  |  |  |  |  |  |  |  |  |  |  | 100.00%
Total Construction Costs |  |  |  |  |  |  |  |  |  |  |  | $ 37,200,000
Option to put ownership interest in the venture | 49 |  |  |  |  |  |  |  |  |  |  |
Cash portion of put option paid | $ 15,300,000 |  |  |  |  |  |  |  |  |  |  |
Self Storage Facility in Vienna, VA |  |  |  |  |  |  |  |  |  |  |  |
Self-storage facilities |  |  |  |  |  |  |  |  |  |  |  |
Number of stores, construction completed and open for operation | facility |  |  |  |  |  |  |  |  |  |  |  | 1
Ownership interest held by the entity (as a percent) |  |  |  |  |  |  |  |  |  |  |  | 80.00%
Total Construction Costs |  |  |  |  |  |  |  |  |  |  |  | $ 21,800,000
Self Storage Facility in Newton, MA |  |  |  |  |  |  |  |  |  |  |  |
Self-storage facilities |  |  |  |  |  |  |  |  |  |  |  |
Number of stores, construction completed and open for operation | facility |  |  |  |  |  |  |  |  |  |  |  | 1
Ownership interest held by the entity (as a percent) |  |  |  |  |  |  |  |  |  |  |  | 100.00%
Total Construction Costs |  |  |  |  |  |  |  |  |  |  |  | $ 20,800,000
Self-storage facility in East Meadow, NY |  |  |  |  |  |  |  |  |  |  |  |
Self-storage facilities |  |  |  |  |  |  |  |  |  |  |  |
Number of stores, construction completed and open for operation | facility |  |  |  |  |  |  |  |  |  |  |  | 1
Ownership interest held by the entity (as a percent) |  |  |  |  |  |  |  |  |  |  |  | 100.00%
Total Construction Costs |  |  |  |  |  |  |  |  |  |  |  | $ 25,900,000
Option to put ownership interest in the venture |  |  |  |  |  | 49 |  |  |  |  |  |
Cash portion of put option paid |  |  |  |  |  | $ 6,600,000 |  |  |  |  |  |
Self-storage facility in King of Prussia, PA |  |  |  |  |  |  |  |  |  |  |  |
Self-storage facilities |  |  |  |  |  |  |  |  |  |  |  |
Number of stores, construction completed and open for operation | facility |  |  |  |  |  |  |  |  |  |  |  | 1
Ownership interest held by the entity (as a percent) |  |  |  |  |  |  |  |  |  |  |  | 70.00%
Total Construction Costs |  |  |  |  |  |  |  |  |  |  |  | $ 22,800,000
Self-storage Facility in Arlington, VA |  |  |  |  |  |  |  |  |  |  |  |
Self-storage facilities |  |  |  |  |  |  |  |  |  |  |  |
Number of stores, construction completed and open for operation | facility |  |  |  |  |  |  |  |  |  |  |  | 1
Ownership interest held by the entity (as a percent) |  |  |  |  |  |  |  |  |  |  |  | 90.00%
Total Construction Costs |  |  |  |  |  |  |  |  |  |  |  | $ 26,400,000
2023 Acquisitions |  |  |  |  |  |  |  |  |  |  |  |
Self-storage facilities |  |  |  |  |  |  |  |  |  |  |  |
Number of self-storage facilities acquired | facility |  |  |  |  |  |  |  |  | 1 |  |  |
Aggregate purchase price |  |  |  |  |  |  |  |  | $ 22,000,000 |  |  |
Intangible value of the in-place leases |  |  |  |  |  |  |  |  | $ 2,000,000.0 |  |  | $ 2,000,000.0
Estimated life |  |  |  |  |  |  |  |  | 12 months |  |  | 12 months
Escrow deposit |  |  |  |  |  |  |  |  | $ 200,000 |  |  | $ 200,000
Purchase Price |  |  |  |  |  |  |  |  | 22,000,000 |  |  |
2023 Acquisitions | Leases, Acquired-in-Place |  |  |  |  |  |  |  |  |  |  |  |
Self-storage facilities |  |  |  |  |  |  |  |  |  |  |  |
Amortization expense |  |  |  |  |  |  |  |  | $ 200,000 |  |  |
2023 Acquisitions | New Jersey |  |  |  |  |  |  |  |  |  |  |  |
Self-storage facilities |  |  |  |  |  |  |  |  |  |  |  |
Number of self-storage facilities acquired | facility |  |  |  |  |  |  |  |  | 1 |  |  |
2023 Acquisitions | Subsequent event |  |  |  |  |  |  |  |  |  |  |  |
Self-storage facilities |  |  |  |  |  |  |  |  |  |  |  |
Aggregate purchase price |  |  |  |  |  |  | $ 20,200,000 |  |  |  |  |
Number of facilities to be acquired | facility |  |  |  |  |  |  | 2 |  |  |  |  |
Purchase Price |  |  |  |  |  |  | $ 20,200,000 |  |  |  |  |
2023 Dispositions |  |  |  |  |  |  |  |  |  |  |  |
Self-storage facilities |  |  |  |  |  |  |  |  |  |  |  |
Aggregate sale price |  |  |  |  |  |  |  |  | $ 8,000,000 |  |  |
2023 Dispositions | LAACO |  |  |  |  |  |  |  |  |  |  |  |
Self-storage facilities |  |  |  |  |  |  |  |  |  |  |  |
Aggregate sale price |  |  |  |  |  |  |  |  | 800,000 |  |  |
Gain (loss) from sale of real estate |  |  |  |  |  |  |  |  | (200,000) |  |  |
2023 Dispositions | Illinois |  |  |  |  |  |  |  |  |  |  |  |
Self-storage facilities |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from involuntary conversion, net |  |  |  |  |  |  |  |  | 8,000,000.0 |  |  |
Gain on involuntary conversion, net |  |  |  |  |  |  |  |  | (4,800,000) |  |  |
2022 Acquisitions |  |  |  |  |  |  |  |  |  |  |  |
Self-storage facilities |  |  |  |  |  |  |  |  |  |  |  |
Number of self-storage facilities acquired | facility |  |  |  |  |  |  |  |  |  | 3 |  |
Aggregate purchase price |  |  |  |  |  |  |  |  |  | $ 75,700,000 |  |
Intangible value of the in-place leases |  |  |  |  |  |  |  |  |  | $ 3,400,000 |  |
Estimated life |  |  |  |  |  |  |  |  |  | 12 months |  |
Purchase Price |  |  |  |  |  |  |  |  |  | $ 75,700,000 |  |
2022 Acquisitions | Leases, Acquired-in-Place |  |  |  |  |  |  |  |  |  |  |  |
Self-storage facilities |  |  |  |  |  |  |  |  |  |  |  |
Amortization expense |  |  |  |  |  |  |  |  | 1,100,000 | $ 2,300,000 |  |
2022 Acquisitions | Texas |  |  |  |  |  |  |  |  |  |  |  |
Self-storage facilities |  |  |  |  |  |  |  |  |  |  |  |
Number of self-storage facilities acquired | facility |  |  |  |  |  |  |  |  |  | 1 |  |
2022 Acquisitions | Maryland |  |  |  |  |  |  |  |  |  |  |  |
Self-storage facilities |  |  |  |  |  |  |  |  |  |  |  |
Number of self-storage facilities acquired | facility |  |  |  |  |  |  |  |  |  | 1 |  |
2022 Acquisitions | Georgia |  |  |  |  |  |  |  |  |  |  |  |
Self-storage facilities |  |  |  |  |  |  |  |  |  |  |  |
Number of self-storage facilities acquired | facility |  |  |  |  |  |  |  |  |  | 1 |  |
2022 Acquisitions | Self-storage Facility in Bronx, NY |  |  |  |  |  |  |  |  |  |  |  |
Self-storage facilities |  |  |  |  |  |  |  |  |  |  |  |
Aggregate purchase price |  |  | $ 7,500,000 |  |  |  |  |  |  |  |  |
Purchase Price |  |  | 7,500,000 |  |  |  |  |  |  |  |  |
Lease liability derecognized |  |  | 5,000,000.0 |  |  |  |  |  |  |  |  |
Right of use Assets derecognized |  |  | $ 4,100,000 |  |  |  |  |  |  |  |  |
2022 Dispositions | LAACO |  |  |  |  |  |  |  |  |  |  |  |
Self-storage facilities |  |  |  |  |  |  |  |  |  |  |  |
Aggregate sale price |  |  |  |  |  |  |  |  |  | $ 44,000,000.0 |  |
2021 Acquisitions |  |  |  |  |  |  |  |  |  |  |  |
Self-storage facilities |  |  |  |  |  |  |  |  |  |  |  |
Number of self-storage facilities acquired | facility |  |  |  |  |  |  |  |  |  |  | 66 |
Aggregate purchase price |  |  |  |  |  |  |  |  |  |  | $ 1,801,251,000 |
Purchase Price |  |  |  |  |  |  |  |  |  |  | $ 1,801,251,000 |
2021 Acquisitions | LAACO |  |  |  |  |  |  |  |  |  |  |  |
Self-storage facilities |  |  |  |  |  |  |  |  |  |  |  |
Number of self-storage facilities acquired | facility |  |  |  |  | 57 |  |  |  |  |  |  |
Intangible value of the in-place leases |  |  |  |  |  |  |  |  | 109,700,000 |  |  | $ 109,700,000
Estimated life |  |  |  |  |  |  |  | 12 months |  | 12 months | 12 months |
Amortization expense |  |  |  |  |  |  |  |  |  | $ 100,600,000 | $ 9,100,000 |
Number of facilities under contract | facility |  |  |  |  | 1 |  |  |  |  |  |  |
Severance costs |  |  |  |  |  |  |  |  | 0 |  |  |
Number of joint ventures | item |  |  |  |  | 2 |  |  |  |  |  |  |
2021 Acquisitions | Leases, Acquired-in-Place | LAACO |  |  |  |  |  |  |  |  |  |  |  |
Self-storage facilities |  |  |  |  |  |  |  |  |  |  |  |
Amortization expense |  |  |  |  |  |  |  |  | 0 |  |  |
2021 Acquisitions | Acquisitions | LAACO |  |  |  |  |  |  |  |  |  |  |  |
Self-storage facilities |  |  |  |  |  |  |  |  |  |  |  |
Ownership interest held by the entity (as a percent) |  |  |  |  | 50.00% |  |  |  |  |  |  |
2021 Acquisitions | LAACO |  |  |  |  |  |  |  |  |  |  |  |
Self-storage facilities |  |  |  |  |  |  |  |  |  |  |  |
Percentage of interest acquired |  |  |  |  | 50.00% |  |  |  |  |  |  |
2021 Acquisitions | Texas | LAACO |  |  |  |  |  |  |  |  |  |  |  |
Self-storage facilities |  |  |  |  |  |  |  |  |  |  |  |
Number of self-storage facilities acquired | facility |  |  |  |  | 7 |  |  |  |  |  |  |
2021 Acquisitions | Nevada | LAACO |  |  |  |  |  |  |  |  |  |  |  |
Self-storage facilities |  |  |  |  |  |  |  |  |  |  |  |
Number of self-storage facilities acquired | facility |  |  |  |  | 13 |  |  |  |  |  |  |
2021 Acquisitions | California | LAACO |  |  |  |  |  |  |  |  |  |  |  |
Self-storage facilities |  |  |  |  |  |  |  |  |  |  |  |
Number of self-storage facilities acquired | facility |  |  |  |  | 20 |  |  |  |  |  |  |
2021 Acquisitions | Arizona | LAACO |  |  |  |  |  |  |  |  |  |  |  |
Self-storage facilities |  |  |  |  |  |  |  |  |  |  |  |
Number of self-storage facilities acquired | facility |  |  |  |  | 17 |  |  |  |  |  |  |
2021 Acquisitions | Self-storage facilities located in US |  |  |  |  |  |  |  |  |  |  |  |
Self-storage facilities |  |  |  |  |  |  |  |  |  |  |  |
Number of self-storage facilities acquired | facility |  |  |  |  |  |  |  |  |  |  | 8 |
Aggregate purchase price |  |  |  |  |  |  |  |  |  |  | $ 140,800,000 |
Intangible value of the in-place leases |  |  |  |  |  |  |  | $ 11,900,000 |  |  | $ 11,900,000 |
Estimated life |  |  |  |  |  |  |  | 12 months |  | 12 months | 12 months |
Amortization expense |  |  |  |  |  |  |  |  |  | $ 8,300,000 | $ 3,600,000 |
Purchase Price |  |  |  |  |  |  |  |  |  |  | $ 140,800,000 |
2021 Acquisitions | Self-storage facilities located in US | Leases, Acquired-in-Place |  |  |  |  |  |  |  |  |  |  |  |
Self-storage facilities |  |  |  |  |  |  |  |  |  |  |  |
Amortization expense |  |  |  |  |  |  |  |  | $ 0 |  |  |
2021 Acquisitions | Self-storage facilities located in US | Florida |  |  |  |  |  |  |  |  |  |  |  |
Self-storage facilities |  |  |  |  |  |  |  |  |  |  |  |
Number of self-storage facilities acquired | facility |  |  |  |  |  |  |  |  |  |  | 1 |
2021 Acquisitions | Self-storage facilities located in US | Maryland |  |  |  |  |  |  |  |  |  |  |  |
Self-storage facilities |  |  |  |  |  |  |  |  |  |  |  |
Number of self-storage facilities acquired | facility |  |  |  |  |  |  |  |  |  |  | 1 |
2021 Acquisitions | Self-storage facilities located in US | Nevada |  |  |  |  |  |  |  |  |  |  |  |
Self-storage facilities |  |  |  |  |  |  |  |  |  |  |  |
Number of self-storage facilities acquired | facility |  |  |  |  |  |  |  |  |  |  | 1 |
2021 Acquisitions | Self-storage facilities located in US | Pennsylvania |  |  |  |  |  |  |  |  |  |  |  |
Self-storage facilities |  |  |  |  |  |  |  |  |  |  |  |
Number of self-storage facilities acquired | facility |  |  |  |  |  |  |  |  |  |  | 2 |
2021 Acquisitions | Self-storage facilities located in US | New Jersey |  |  |  |  |  |  |  |  |  |  |  |
Self-storage facilities |  |  |  |  |  |  |  |  |  |  |  |
Number of self-storage facilities acquired | facility |  |  |  |  |  |  |  |  |  |  | 1 |
2021 Acquisitions | Self-storage facilities located in US | Illinois |  |  |  |  |  |  |  |  |  |  |  |
Self-storage facilities |  |  |  |  |  |  |  |  |  |  |  |
Number of self-storage facilities acquired | facility |  |  |  |  |  |  |  |  |  |  | 1 |
2021 Acquisitions | Self-storage facilities located in US | Georgia |  |  |  |  |  |  |  |  |  |  |  |
Self-storage facilities |  |  |  |  |  |  |  |  |  |  |  |
Number of self-storage facilities acquired | facility |  |  |  |  |  |  |  |  |  |  | 1 |
2021 Acquisitions | Self-storage facility in Anoka, MN |  |  |  |  |  |  |  |  |  |  |  |
Self-storage facilities |  |  |  |  |  |  |  |  |  |  |  |
Aggregate purchase price |  |  |  |  |  |  |  |  |  |  | $ 12,000,000.0 |
Purchase Price |  |  |  |  |  |  |  |  |  |  | $ 12,000,000.0 |
Ownership interest held by the entity (as a percent) |  |  |  |  |  |  |  |  |  |  | 50.00% |
2021 Dispositions |  |  |  |  |  |  |  |  |  |  |  |
Self-storage facilities |  |  |  |  |  |  |  |  |  |  |  |
Number of self-storage facilities sold | facility |  |  |  |  |  |  |  |  |  |  | 5 |
Aggregate sale price |  |  |  |  |  |  |  |  |  |  | $ 43,800,000 |
Gain (loss) from sale of real estate |  |  |  |  |  |  |  |  |  |  | $ 32,700,000 |
2021 Dispositions | Texas |  |  |  |  |  |  |  |  |  |  |  |
Self-storage facilities |  |  |  |  |  |  |  |  |  |  |  |
Number of self-storage facilities sold | facility |  |  |  |  |  |  |  |  |  |  | 1 |
2021 Dispositions | Colorado |  |  |  |  |  |  |  |  |  |  |  |
Self-storage facilities |  |  |  |  |  |  |  |  |  |  |  |
Number of self-storage facilities sold | facility |  |  |  |  |  |  |  |  |  |  | 1 |
2021 Dispositions | Nevada |  |  |  |  |  |  |  |  |  |  |  |
Self-storage facilities |  |  |  |  |  |  |  |  |  |  |  |
Number of self-storage facilities sold | facility |  |  |  |  |  |  |  |  |  |  | 1 |
2021 Dispositions | North Carolina |  |  |  |  |  |  |  |  |  |  |  |
Self-storage facilities |  |  |  |  |  |  |  |  |  |  |  |
Number of self-storage facilities sold | facility |  |  |  |  |  |  |  |  |  |  | 2 |
Joint Venture | Acquisitions |  |  |  |  |  |  |  |  |  |  |  |
Self-storage facilities |  |  |  |  |  |  |  |  |  |  |  |
Real estate property acquired, land subject to ground lease |  | $ 6,100,000 |  |  |  |  |  |  |  |  |  |
Percentage of interest acquired |  | 20.00% |  |  |  |  |  |  |  |  |  |
Joint Venture | Self Storage Facility in Valley Stream, NY |  |  |  |  |  |  |  |  |  |  |  |
Self-storage facilities |  |  |  |  |  |  |  |  |  |  |  |
Ownership interest held by the entity (as a percent) |  |  |  |  |  |  |  |  | 51.00% |  |  |
Joint Venture | Self Storage Facility in Newton, MA |  |  |  |  |  |  |  |  |  |  |  |
Self-storage facilities |  |  |  |  |  |  |  |  |  |  |  |
Total consideration |  |  |  | $ 3,400,000 |  |  |  |  |  |  |  |
Acquisition, gain (loss) recognized |  |  |  | $ 0 |  |  |  |  |  |  |  |
Ownership interest held by the entity (as a percent) |  |  |  |  |  |  |  | 90.00% |  |  |  |
Minority ownership interest (as a percent) |  |  |  | 0.00% |  |  |  |  |  |  |  |
Acquisition of noncontrolling interest |  |  |  | $ 2,700,000 |  |  |  |  |  |  |  |
Repayments of debt |  |  |  | $ 13,200,000 |  |  |  |  |  |  |  |
Joint Venture | Self Storage Facility in Newton, MA | Joint Venture |  |  |  |  |  |  |  |  |  |  |  |
Self-storage facilities |  |  |  |  |  |  |  |  |  |  |  |
Acquisition of remaining interest in real estate ventures (as a percent) |  |  |  | 10.00% |  |  |  |  |  |  |  |
Joint Venture | Self-storage Facility in Brooklyn, NY |  |  |  |  |  |  |  |  |  |  |  |
Self-storage facilities |  |  |  |  |  |  |  |  |  |  |  |
Number of joint ventures | facility |  |  |  |  |  |  |  |  | 2 |  |  |

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Namespace Prefix: | cube_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition The amount of gain (loss) on involuntary conversions. + References No definition available. + Details
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Namespace Prefix: | cube_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The number of self-storage facilities with construction completed and opened for operation during the period. + References No definition available. + Details
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Namespace Prefix: | cube_
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Balance Type: | na
Period Type: | duration

X
- Definition Represents the number of facilities under contract. + References No definition available. + Details
Name: | cube_NumberOfFacilitiesUnderContract
Namespace Prefix: | cube_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Represents the information pertaining to number of joint ventures. + References No definition available. + Details
Name: | cube_NumberOfJointVentures
Namespace Prefix: | cube_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the number of real estate properties that were acquired. + References No definition available. + Details
Name: | cube_NumberOfRealEstatePropertiesAcquired
Namespace Prefix: | cube_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the number of real estate properties that were sold. + References No definition available. + Details
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Namespace Prefix: | cube_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the number of real estate properties to be acquired. + References No definition available. + Details
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Namespace Prefix: | cube_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of self-storage facilities involved in transaction. + References No definition available. + Details
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Namespace Prefix: | cube_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Present value of lessee's discounted obligation for lease payments from operating lease, derecognized. + References No definition available. + Details
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Namespace Prefix: | cube_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of lessee's right to use underlying asset under operating lease, derecognized. + References No definition available. + Details
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Namespace Prefix: | cube_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Represents the option to put ownership interest in the venture. + References No definition available. + Details
Name: | cube_OptionToPutOwnershipInterestInVenture
Namespace Prefix: | cube_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration

X
- Definition Cash portion of put option paid. + References No definition available. + Details
Name: | cube_OptionToPutOwnershipInterestInVentureCashPortion
Namespace Prefix: | cube_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Net proceeds from involuntary conversion. + References No definition available. + Details
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Namespace Prefix: | cube_
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Balance Type: | debit
Period Type: | duration

X
- Definition Real estate property acquired, land subject to ground lease. + References No definition available. + Details
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Namespace Prefix: | cube_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-28 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482686/350-30-45-2 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482665/350-30-50-2 + Details
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X
- Definition Percentage of voting equity interests acquired at the acquisition date in the business combination. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479328/805-10-50-2 + Details
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- Definition Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 30 -Paragraph 8 -SubTopic 30 -Topic 805 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479637/805-30-30-8 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b) -SubTopic 30 -Topic 805 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479581/805-30-50-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 30 -Paragraph 7 -SubTopic 30 -Topic 805 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479637/805-30-30-7 + Details
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X
- Definition Percentage of equity in the acquiree held by the acquirer immediately before the acquisition date in a business combination. + References No definition available. + Details
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X
- Definition In a business combination achieved in stages, this element represents the amount of net gain (loss) recognized by the entity as a result of remeasuring to fair value the equity interest in the acquiree it held before the business combination. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (g)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479328/805-10-50-2 + Details
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X
- Definition The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 924 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 11.L) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479941/924-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.2(a),(d)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483621/220-10-S99-2 + Details
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Balance Type: | debit
Period Type: | duration

X
- Definition The current amount of expenditures for a real estate project that has not yet been completed. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(1)(d)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1 + Details
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X
- Definition The designation of funds furnished by a borrower to a lender to assure future payments of the borrower's real estate taxes and insurance obligations with respect to a mortgaged property. Escrow deposits may be made for a variety of other purposes such as earnest money and contingent payments. This element excludes replacement reserves which are an escrow separately provided for within the US GAAP taxonomy. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 954 -SubTopic 440 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480327/954-440-50-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.10) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1 + Details
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X
- Definition This element represents the amount of value allocated by a lessor (acquirer) to lease agreements which exist at acquisition of a leased property. Such amount may include the value assigned to existing tenant relationships and excludes the market adjustment component of the value assigned for above or below-market leases acquired. + References No definition available. + Details
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X
- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | instant

X
- Definition The difference between the carrying value and the sale price of real estate or properties that were intended to be sold or held for capital appreciation or rental income. This element refers to the gain (loss) included in earnings and not to the cash proceeds of the sale. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-28 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 360 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482130/360-10-45-5 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 360 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482099/360-10-50-3 + Details
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Balance Type: | credit
Period Type: | duration

X
- Definition Decrease in noncontrolling interest (for example, but not limited to, redeeming or purchasing the interests of noncontrolling shareholders, issuance of shares (interests) by the non-wholly owned subsidiary to the parent entity for other than cash, and a buyback of shares (interest) by the non-wholly owned subsidiary from the noncontrolling interests). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480008/505-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 810 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 23 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481231/810-10-45-23 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 24 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481231/810-10-45-24 + Details
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X
- Definition The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of lessee's right to use underlying asset under operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479041/842-20-45-1 + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The number of units redeemed during the year of each class of partners' capital account. Units represent shares of ownership of the general, limited, and preferred partners. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480008/505-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 5 -Subparagraph (SAB Topic 4.F) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480008/505-10-S99-5 + Details
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Period Type: | duration

X
- Definition The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 13 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-13 + Details
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Balance Type: | credit
Period Type: | duration

X
- Definition The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 12 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-12 + Details
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X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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X
- Definition Amount of cash outflow for short-term and long-term debt. Excludes payment of lease obligation. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 15 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-15 + Details
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X
- Definition Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-28 + Details
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X
- Definition Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity (directly or indirectly). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 5A -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481203/810-10-50-5A + Details
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- Details
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