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SCHEDULE III - SCHEDULE OF REAL ESTATE AND ACCUMULATED DEPRECIATION - Gross Real Estate (Details) $ in Thousands | Dec. 31, 2020 USD ($) facility | Dec. 31, 2019 USD ($) | Dec. 31, 2018 USD ($)
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SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation Disclosure [Abstract] |  |  |
Number of facilities leased | facility | 1,167 |  |
Gross amount carried at close of current period | $ 3,830,489 | $ 3,856,515 | $ 3,700,307
Add Reconciling Items: |  |  |
Book value of racking included in leased facilities | 1,448,654 |  |
Book value of financing leases | 410,583 |  |
Book value of construction in progress | 287,580 |  |
Total Reconciling Items | 2,146,817 |  |
Gross Amount of Real Estate Assets, As Disclosed in Note 2.h. | $ 5,977,306 |  |

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- Definition Amount of structure or a modification to a structure under construction. Includes recently completed structures or modifications to structures that have not been placed into service. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 + Details
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- Definition Amount, before accumulated depreciation, of real estate investment by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate. Excludes real estate not held as investment or interest. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 970 -SubTopic 360 -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-28(Column E)) -URI http://asc.fasb.org/extlink&oid=120402810&loc=d3e638233-123024 + Details
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