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RELATED PARTY TRANSACTIONS - Narrative Part 3 (Details) $ in Thousands		12 Months Ended
	Mar. 10, 2023 USD ($) party	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Nov. 02, 2023 USD ($) member	Jun. 30, 2023 member
Related Party Transactions (Details) [Line Items]
Loans receivable at fair value		$ 532,419	$ 701,652
Related Party
Related Party Transactions (Details) [Line Items]
Interest income		3,427
Underwriting and financial advisory and other fees		$ 3,278	$ 4,968	$ 26,236
Related Party | BRC Partners Opportunity Fund, LP
Related Party Transactions (Details) [Line Items]
Ownership, percentage		58.20%
Related Party | BRC Partners Opportunity Fund, LP | Co-Chief Executive Officer
Related Party Transactions (Details) [Line Items]
Ownership, percentage		24.90%
Related Party | 272 Capital L.P
Related Party Transactions (Details) [Line Items]
Ownership, percentage		15.30%
Torticity, LLC | Related Party
Related Party Transactions (Details) [Line Items]
Loans receivable at fair value		$ 6,791			$ 15,369
Loans receivable, fair value disclosure, drawn					6,690
Loans receivable, fair value disclosure, remaining					$ 8,679
Loans receivable, basis spread on variable rate					15.00%
Interest income		165
Number of senior management members | member					1
Kanaci Technologies, LLC | Related Party
Related Party Transactions (Details) [Line Items]
Loans receivable at fair value		3,904			$ 10,000
Loans receivable, fair value disclosure, drawn					4,000
Loans receivable, fair value disclosure, remaining					$ 6,000
Loans receivable, basis spread on variable rate					15.00%
Interest income		$ 51
Number of senior management members appointed | member						1
Loan Receivable Sold | Related Party
Related Party Transactions (Details) [Line Items]
Financing receivable, sale	$ 7,600
Related party transaction, number of parties | party	2,000
Loan Receivable Sold | Related Party | BRC Partners Opportunity Fund, LP
Related Party Transactions (Details) [Line Items]
Financing receivable, sale	$ 3,519
Loan Receivable Sold | Related Party | 272 Capital L.P
Related Party Transactions (Details) [Line Items]
Financing receivable, sale	4,081
272LP And 272 Advisors, LLC | Related Party
Related Party Transactions (Details) [Line Items]
Financing receivable, sale, promissory note	2,000
Financing receivable, sale, aggregate revenue share amount	$ 4,100

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