SELF STORAGE PROPERTIES (Details) - USD ($) $ in Thousands |
3 Months Ended | ||
|---|---|---|---|
Mar. 31, 2021 |
Mar. 31, 2020 |
Dec. 31, 2020 |
|
| Real Estate [Abstract] | |||
| Land | $ 765,453 | $ 738,863 | |
| Buildings and improvements | 3,033,932 | 2,892,490 | |
| Furniture and equipment | 8,236 | 7,839 | |
| Total self storage properties | 3,807,621 | 3,639,192 | |
| Less accumulated depreciation | (473,019) | (443,623) | |
| Self storage properties, net | 3,334,602 | $ 3,195,569 | |
| Depreciation expense related to self storage properties | $ 29,400 | $ 25,700 | |
| X | ||||||||||
- Definition The expense recognized in the current period that allocates the cost of nonproduction tangible assets over their useful lives. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount before accumulated depreciation of fixtures and equipment. Includes, but is not limited to, machinery, equipment, and engines. No definition available.
|
| X | ||||||||||
- Definition Aggregate of the carrying amounts as of the balance sheet date of investments in building and building improvements. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount before accumulated depletion of real estate held for productive use, excluding land held for sale. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition The cumulative amount of depreciation for real estate property held for investment purposes. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- 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. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- 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. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|