Quarterly report pursuant to Section 13 or 15(d)

FAIR VALUE MEASUREMENTS - Schedule of Amortized Cost and Fair Value of Debt (Details)

v3.23.3
FAIR VALUE MEASUREMENTS - Schedule of Amortized Cost and Fair Value of Debt (Details) - USD ($)
$ in Thousands
Sep. 30, 2023
Dec. 31, 2022
Senior Secured UBS Term Loan (Level 2) | Fair Value, Inputs, Level 2    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Amortized cost $ 297,979 $ 298,956
Fair value 284,222 283,612
Backstop Notes (Level 3) | Fair Value, Inputs, Level 3    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Amortized cost 117,806 117,545
Fair value $ 94,311 $ 92,900