CONSUMER LOANS - Schedule of Aggregate Unpaid Principal Balance and Aggregate Carrying Value (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Schedule of Equity Method Investments [Line Items]
Loans of unfunded and available revolving credit privileges	$ 289,065	$ 51,575
Fair Value	290,180	52,389
Fair Value Over (Under) Unpaid Principal Balance	1,115	814
90+
Schedule of Equity Method Investments [Line Items]
Loans of unfunded and available revolving credit privileges	0	0
Fair Value	0	0
Fair Value Over (Under) Unpaid Principal Balance	0	0
Consumer Portfolio Segment
Schedule of Equity Method Investments [Line Items]
Loans of unfunded and available revolving credit privileges	507,291	685,575	$ 827,545
Consumer Portfolio Segment | Under 90 Days
Schedule of Equity Method Investments [Line Items]
Loans of unfunded and available revolving credit privileges	442,481	611,978
Fair Value	499,059	675,691
Fair Value Over (Under) Unpaid Principal Balance	56,578	63,713
Consumer Portfolio Segment | 90+
Schedule of Equity Method Investments [Line Items]
Loans of unfunded and available revolving credit privileges	7,394	9,005
Fair Value	8,232	9,884
Fair Value Over (Under) Unpaid Principal Balance	838	879
Consumer Portfolio Segment | Past Due
Schedule of Equity Method Investments [Line Items]
Loans of unfunded and available revolving credit privileges	449,875	620,983
Fair Value	507,291	685,575
Fair Value Over (Under) Unpaid Principal Balance	$ 57,416	$ 64,592