CONSUMER LOANS - Summary of Investment in Consumer Loans (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Schedule of Consumer Loans [Line Items]
Weighted Average Expected Life (Years)	1 year 3 months 18 days
Number of days delinquent	30 days
Consumer Portfolio Segment | Parent Company
Schedule of Consumer Loans [Line Items]
UPB of Underlying Mortgages	$ 449,875	$ 620,983
Carrying Value	$ 507,291	$ 685,575
Weighted Average Coupon	17.50%	17.40%
Weighted Average Expected Life (Years)	3 years 2 months 12 days	3 years 7 months 6 days
Weighted average delinquency	4.50%	4.40%
Consumer Portfolio Segment | Parent Company | Other - performing
Schedule of Consumer Loans [Line Items]
UPB of Underlying Mortgages	$ 114	$ 2,862
Carrying Value	$ 0	$ 2,643
Weighted Average Coupon	15.50%	15.30%
Weighted Average Expected Life (Years)	3 months 18 days	4 months 24 days
Weighted average delinquency	28.40%	4.30%
Consumer Portfolio Segment | Parent Company | Other - performing | Entirely Owned Loan Portfolio
Schedule of Consumer Loans [Line Items]
Interest in Consumer Loans	100.00%	100.00%
Consumer Portfolio Segment | Parent Company | Performing
Schedule of Consumer Loans [Line Items]
UPB of Underlying Mortgages	$ 358,181	$ 490,222
Carrying Value	$ 413,377	$ 553,419
Weighted Average Coupon	18.50%	18.30%
Weighted Average Expected Life (Years)	3 years 2 months 12 days	3 years 7 months 6 days
Weighted average delinquency	3.60%	3.70%
Consumer Portfolio Segment | Parent Company | Performing | Consumer Loan SPVs
Schedule of Consumer Loans [Line Items]
Interest in Consumer Loans	53.50%	53.50%
Consumer Portfolio Segment | Parent Company | Purchased credit deteriorated
Schedule of Consumer Loans [Line Items]
UPB of Underlying Mortgages	$ 91,580	$ 127,899
Carrying Value	$ 93,914	$ 129,513
Weighted Average Coupon	13.80%	14.10%
Weighted Average Expected Life (Years)	3 years 1 month 6 days	3 years 6 months
Weighted average delinquency	7.70%	7.40%
Consumer Portfolio Segment | Parent Company | Purchased credit deteriorated | Consumer Loan SPVs
Schedule of Consumer Loans [Line Items]
Interest in Consumer Loans	53.50%	53.50%