DEBT - Schedule of Securitization of Notes (Details) - USD ($)	Jul. 22, 2021	Apr. 26, 2021
Class A-2
Debt Instrument [Line Items]
Seniority	Senior	Senior
Principal Balance	$ 209,000,000	$ 97,104,000
Coupon	6.00%	4.75%
Weighted Average Life (Years)	2 years 3 days	2 years 3 months
Non-Call Period (Months)	6 months	6 months
Anticipated Call Date	Jul. 25, 2023	Jul. 25, 2023
Final Legal Maturity Date	Jul. 25, 2051	Apr. 25, 2051
Class B-2
Debt Instrument [Line Items]
Seniority	Senior Subordinated	Senior Subordinated
Principal Balance	$ 84,000,000	$ 32,368,000
Coupon	7.00%	8.00%
Weighted Average Life (Years)	2 years 3 days	2 years 3 months
Non-Call Period (Months)	6 months	6 months
Anticipated Call Date	Jul. 25, 2023	Jul. 25, 2023
Final Legal Maturity Date	Jul. 25, 2051	Apr. 25, 2051
Class M-2
Debt Instrument [Line Items]
Seniority	Subordinated	Subordinated
Principal Balance	$ 57,000,000	$ 15,000,000
Coupon	9.50%	9.00%
Weighted Average Life (Years)	2 years 3 days	2 years 3 months
Non-Call Period (Months)	6 months	6 months
Anticipated Call Date	Jul. 25, 2023	Jul. 25, 2023
Final Legal Maturity Date	Jul. 25, 2051	Apr. 25, 2051
Series Note A-2
Debt Instrument [Line Items]
Seniority		Senior
Extinguishment of debt		$ 20,000,000
Coupon		6.50%
First Call Date		Apr. 27, 2021
Final Legal Maturity Date		Apr. 27, 2026
Public Rating		BB
Series Note B-2
Debt Instrument [Line Items]
Seniority		Senior Subordinated
Extinguishment of debt		$ 20,000,000
Coupon		9.00%
First Call Date		Apr. 27, 2021
Final Legal Maturity Date		Apr. 27, 2026
Public Rating		B
Series Note M-2
Debt Instrument [Line Items]
Seniority		Subordinated
Extinguishment of debt		$ 40,000,000
Coupon		9.75%
First Call Date		Apr. 27, 2021
Final Legal Maturity Date		Apr. 27, 2026