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STORAGE PROPERTIES - Summary (Details) - USD ($) $ in Thousands | Mar. 31, 2022 | Dec. 31, 2021
--- | --- | ---
STORAGE FACILITIES |  |
Storage properties | $ 7,232,103 | $ 7,183,494
Less: Accumulated depreciation | (1,130,001) | (1,085,824)
Storage properties, net (including VIE assets of $156,775 and $149,467, respectively) | 6,102,102 | 6,097,670
Land |  |
STORAGE FACILITIES |  |
Storage properties | 1,575,446 | 1,565,463
Buildings and improvements |  |
STORAGE FACILITIES |  |
Storage properties | 5,396,489 | 5,368,383
Equipment |  |
STORAGE FACILITIES |  |
Storage properties | 132,189 | 129,531
Construction in progress |  |
STORAGE FACILITIES |  |
Storage properties | 86,034 | 78,221
Right-of-use assets - finance leases |  |
STORAGE FACILITIES |  |
Storage properties | $ 41,945 | $ 41,896

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- Definition The cumulative amount of depreciation for real estate property held for investment purposes. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.1(3)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 + Details
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- Definition Amount of real estate investment property which may include the following: (1) land available-for-sale; (2) land available-for-development; (3) investments in building and building improvements; (4) tenant allowances; (5) developments in-process; (6) rental properties; and (7) other real estate investments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.1(d)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 + Details
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- Definition Amount of real estate investment property, net of accumulated depreciation, which may include the following: (1) land available-for-sale; (2) land available-for-development; (3) investments in building and building improvements; (4) tenant allowances; (5) developments in-process; (6) rental properties; and (7) other real estate investments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.1(d)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 + Details
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