DEBT - Uptiered Loan and Incremental Term Loan (Details) - USD ($) $ in Thousands	9 Months Ended		12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2022	Dec. 31, 2023	Jun. 16, 2023	Oct. 04, 2022	Dec. 08, 2021	Nov. 09, 2021
Debt Instrument [Line Items]
Paid-in-kind (“PIK”) interest	$ 11,020	$ 10,906
Net carrying balance	$ 315,946			$ 305,670
Uptiered Loan | Subordinated Debt
Debt Instrument [Line Items]
Debt instrument, threshold, trigger amount					$ 50,000
Stated interest rate	4.00%
Cash paid for interest	$ 2,775	0
Paid-in-kind (“PIK”) interest	9,661	$ 10,829
Principal balance	139,748			130,087		$ 57,000	$ 27,500	$ 22,500
Unamortized balance of debt issuance cost	(542)			(651)
Net carrying balance	139,206			129,436
Available amount	$ 0
PIK fees			$ 900
Uptiered Loan | Subordinated Debt | Paid in Kind
Debt Instrument [Line Items]
Stated interest rate	13.50%	12.00%
Uptiered Loan | Subordinated Debt | Accelerated Debt Isssue Costs
Debt Instrument [Line Items]
Increase to stated interest rate	1.06%	0.86%
Uptiered Loan / Subordinated Term Loan, PIK | Subordinated Debt
Debt Instrument [Line Items]
Stated interest rate	9.50%	12.00%
Effective interest rate	14.56%	12.86%
PIK interest, principal amount	$ 31,800			22,200
Incremental Term Loan
Debt Instrument [Line Items]
Stated interest rate	12.00%	12.00%
Incremental Term Loan | Accelerated Debt Isssue Costs
Debt Instrument [Line Items]
Increase to stated interest rate	10.96%	11.69%
Incremental Term Loan | Secured Debt
Debt Instrument [Line Items]
Stated interest rate	12.00%
Principal payments	$ 356
Effective interest rate	22.96%	23.69%
Cash paid for interest	$ 4,267	$ 0
Principal balance	46,983			48,052
Unamortized balance of debt issuance cost	(7,467)			(9,294)
Net carrying balance	39,516			$ 38,758
Available amount	$ 10,000