DEBT OBLIGATIONS, NET - Schedule of Maturities (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Long-term Debt, Fiscal Year Maturity [Abstract]
2022	$ 483,937
2023	281,702
2024	406,476
2025	478,704
Thereafter	1,533,922
Subtotal	3,184,741
Premiums included in mortgage loan financing	3,151
Debt obligations	3,164,928
Senior Unsecured Notes
Long-term Debt, Fiscal Year Maturity [Abstract]
Unamortized debt issuance costs	(18,686)
Secured financing facility
Long-term Debt, Fiscal Year Maturity [Abstract]
Unamortized debt issuance costs	(1,911)
Mortgage Loan Financing
Long-term Debt, Fiscal Year Maturity [Abstract]
Unamortized debt issuance costs	(280)
CLO Debt
Long-term Debt, Fiscal Year Maturity [Abstract]
Unamortized debt issuance costs	(9,600)
Consolidated CLO debt obligations	$ 1,100,000
CLO Debt \| Maturing On 16 May 2024
Long-term Debt, Fiscal Year Maturity [Abstract]
Unamortized debt issuance costs		$ (2,600)
Consolidated CLO debt obligations		$ 279,156

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Long-Term Debt, Maturity, after Year Four

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Represents the committed amount as of the balance sheet date of securities that an institution sells and agrees to repurchase (the identical or substantially the same securities) as a seller-borrower at a specified date for a specified price, also known as a repurchase agreement, or repo.

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Amount of short-term and long-term debt and lease obligation.

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Amount, after accumulated amortization, of debt premium.

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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