INDEBTEDNESS - Facility components (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Current debt, net of deferred financing costs	$ 850	$ 850
Non-current debt, net of deferred financing costs and current component	285,032	285,669
Term Loan and DDTL
Debt Instrument [Line Items]
Current borrowing on debt	3,000	3,000
Deferred financing costs	(2,150)	(2,150)
Current debt, net of deferred financing costs	850	850
Non-current borrowing on debt	291,750	294,000
Deferred financing costs	(6,718)	(8,331)
Non-current debt, net of deferred financing costs and current component	$ 285,032	$ 285,669