INCOME TAXES - Components of Net Deferred Tax Asset (Details) - TRS - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Deferred tax assets:
Net operating losses	$ 2,645	$ 39
Secured borrowings—government guaranteed loans	96	132
Other	160	166
Total gross deferred tax assets	2,901	337
Valuation allowance	(2,643)	(38)
Deferred tax asset, net of valuation allowance	258	299
Deferred tax liabilities:
Loans receivable	(67)	(210)
Deferred tax liabilities	(67)	(210)
Deferred tax asset, net	$ 191	$ 89