DEBT - Uptiered (Subordinated) Term Loan and Incremental Term Loan (Details) - USD ($)		12 Months Ended
		Dec. 31, 2023	Dec. 31, 2022	Jun. 16, 2023	Oct. 04, 2022	Dec. 08, 2021	Nov. 09, 2021
Debt Instrument [Line Items]
Paid-in-kind interest	[1]	$ 14,526,000	$ 18,227,000
Principal balance		317,378,000
Net carrying balance		$ 305,670,000	$ 239,383,000
Uptiered Loan / Subordinated Term Loan | Subordinated Debt
Debt Instrument [Line Items]
Debt instrument, threshold, trigger amount				$ 50,000,000
Stated interest rate				12.00%
Effective interest rate		12.86%	29.23%
Cash paid for interest		$ 0	$ 0
Paid-in-kind interest		14,644,000	7,359,000
Principal balance		130,088,000	115,443,000		$ 57,000,000	$ 27,500,000	$ 22,500,000
Unamortized balance of debt issuance cost		(651,000)	(7,538,000)
Net carrying balance		129,436,000	$ 107,905,000
Available amount		0
PIK fees		$ 900,000
Uptiered Loan / Subordinated Term Loan | Subordinated Debt | Paid in Kind
Debt Instrument [Line Items]
Stated interest rate		12.00%	12.00%
Uptiered Loan / Subordinated Term Loan | Subordinated Debt | Amortization of Debt Issue Costs
Debt Instrument [Line Items]
Effective interest rate		0.86%	17.23%
Uptiered Loan / Subordinated Term Loan, PIK | Subordinated Debt
Debt Instrument [Line Items]
PIK interest, principal amount		$ 22,200,000	$ 7,400,000
Incremental Term Loan
Debt Instrument [Line Items]
Stated interest rate		12.00%
Incremental Term Loan | Amortization of Debt Issue Costs
Debt Instrument [Line Items]
Effective interest rate		10.96%
Incremental Term Loan | Secured Debt
Debt Instrument [Line Items]
Stated interest rate				12.00%
Principal payments		$ 356,000
Effective interest rate		22.96%
Cash paid for interest		$ 898,000
Paid-in-kind interest		8,000
Principal balance		48,052,000
Unamortized balance of debt issuance cost		(9,294,000)
Net carrying balance		38,758,000	$ 0
Available amount		$ 10,000,000

[1] Consolidated statement of cash flows for the year ended December 31, 2022 includes cash flows from discontinued operations. See Note 2.