FAIR VALUE - Government Guaranteed Loans Held for Investment, at Fair Value, Which Were Valued on a Recurring Basis and Used Significant Unobservable Inputs (Details) - Loans Receivable - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance of government guaranteed loans held for investment at fair value, beginning of period	$ 27,078	$ 9,614
New government guaranteed originations at fair value	84,151	41,745
Loans sold	(59,694)	0
Principal payments	(5,695)	(1,661)
Charge-offs	(153)	0
Total gains during the period	6,478	2,511
Balance of government guaranteed loans held for investment at fair value, end of period	$ 52,165	$ 52,209