REAL ESTATE INVESTMENTS - Narratives (Details) - Leaseholds and Leasehold Improvements - 3151 Market Street [Member] ft² in Millions, $ in Millions		3 Months Ended
Jan. 18, 2023 USD ($) ft²	Mar. 31, 2023 USD ($)
Real Estate Properties [Line Items]
Operating lease costs, capitalized	$ 7.8
Rentable area (in square feet) \| ft²	0.2
Net gain from remeasurment of investment in real estate ventures		$ 0.8

The net gain (loss) resulting from sales and other disposals of real estate owned for investment purposes.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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-Name Accounting Standards Codification
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef
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-Name Accounting Standards Codification
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-URI https://asc.fasb.org/extlink&oid=123605564&loc=d3e23415-158514

+ Details