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FAIR VALUE MEASUREMENTS AND FINANCIAL INSTRUMENTS (Tables)
12 Months Ended
Dec. 31, 2021
Fair Value Disclosures [Abstract]  
Fair value measurements, recurring and nonrecurring The following fair values are estimated using market information and what the Company believes to be appropriate valuation methodologies under GAAP:
December 31, 2021December 31, 2020
(in thousands)Carrying amountFair valueCarrying amountFair value
Level 1Level 2Level 3Level 1Level 2Level 3
Assets:
Cash and cash equivalents$98,132 $98,132 $— $— $58,263 $58,263 $— $— 
Restricted cash4,017 4,017 — — 3,833 3,833 — — 
Short-term receivable3,643 — — 3,643 — — — — 
Long-term receivable— — — — 2,531 — — 2,531 
Liabilities:
Senior secured term loan247,204 — 224,956 — 247,204 — 201,472 —