CONSUMER LOANS - Summary of Investment in Consumer Loans (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2025	Dec. 31, 2024
Schedule of Consumer Loans [Line Items]
Weighted Average Expected Life (Years)	3 years 8 months 12 days
Consumer Portfolio Segment
Schedule of Consumer Loans [Line Items]
UPB	$ 663,117	$ 767,623
Carrying Value	$ 554,168	$ 665,565
Weighted Average Coupon	13.10%	12.90%
Weighted Average Expected Life (Years)	1 year 7 months 6 days	1 year 9 months 18 days
Consumer Portfolio Segment | SpringCastle
Schedule of Consumer Loans [Line Items]
UPB	$ 192,644	$ 208,306
Carrying Value	$ 201,468	$ 219,308
Weighted Average Coupon	18.00%	18.10%
Weighted Average Expected Life (Years)	3 years 8 months 12 days	3 years 9 months 18 days
Consumer Portfolio Segment | Marcus
Schedule of Consumer Loans [Line Items]
UPB	$ 470,473	$ 559,317
Carrying Value	$ 352,700	$ 446,257
Weighted Average Coupon	11.10%	11.00%
Weighted Average Expected Life (Years)	9 months 18 days	1 year