LOANS RECEIVABLE- Loans Receivable, Net (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	$ 60,932			$ 62,360
Deferred capitalized costs, net	1,176			1,293
Loan loss reserves	(1,704)	$ (1,713)	$ (1,940)	(1,106)
Loans receivable, net	60,404			62,547
SBA 7(a) loans receivable, subject to credit risk
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	5,329			56,116
SBA 7(a) loans receivable, subject to loan-backed notes
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	48,133			0
SBA 7(a) loans receivable, subject to secured borrowings
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	4,661			6,127
SBA 7(a) loans receivable, held for sale
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	$ 2,809			$ 117