INCOME TAXES - Components of Net Deferred Tax Asset (Details) - TRS - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Deferred tax assets:
Net operating losses	$ 2,367	$ 2,645
Secured borrowings—government guaranteed loans	64	96
Other	153	160
Total gross deferred tax assets	2,584	2,901
Valuation allowance	(2,370)	(2,643)
Deferred tax asset, net of valuation allowance	214	258
Deferred tax liabilities:
Loans receivable	(96)	(67)
Deferred tax liabilities	(96)	(67)
Deferred tax asset, net	$ 118	$ 191