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RELATED-PARTY TRANSACTIONS - Affiliate Investments and Other Narrative (Details) ft² in Thousands, $ in Thousands | 1 Months Ended | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | --- | ---
Feb. 28, 2022 USD ($) | Jun. 30, 2022 USD ($) | Jun. 30, 2021 USD ($) | Jun. 30, 2022 USD ($) | Jun. 30, 2021 USD ($) | Aug. 07, 2019 ft² | May 15, 2019 ft²
Related Party Transaction [Line Items] |  |  |  |  |  |  |
Payments to acquire equity method investment |  |  |  | $ 22,408 | $ 0 |  |
1910 Sunset Boulevard |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |
Payments to acquire equity method investment | $ 22,400 |  |  |  |  |  |
Corporate Joint Venture | 1910 Sunset Boulevard |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |
Payments to acquire equity method investment | $ 51,000 |  |  |  |  |  |
CIM Group | Eleven Year Lease |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |
Lease, term of contract with related party |  |  |  |  |  |  | 11 years
Square Feet | ft² |  |  |  |  |  | 30 | 32
Rental and other property income from related party |  | $ 370 | $ 740 | $ 370 | $ 740 |  |

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