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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Investment Properties (Details) - USD ($) $ in Thousands | Mar. 31, 2023 | Dec. 31, 2022
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Accounting Policies [Abstract] |  |
Land, buildings and improvements | $ 7,625,276 | $ 7,656,765
Construction in progress | 94,401 | 75,808
Investment properties, at cost | $ 7,719,677 | $ 7,732,573

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- Definition Land, investment building and building improvements + References No definition available. + Details
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- Definition The current amount of expenditures for a real estate project that has not yet been completed. + 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 210.7-03.10) -URI https://asc.fasb.org/extlink&oid=126734703&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 https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910 + Details
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