Annual report pursuant to Section 13 and 15(d)

LONG-TERM DEBT AND LONG-TERM OBLIGATIONS - Components of Long-term Debt (Details)

v3.20.4
LONG-TERM DEBT AND LONG-TERM OBLIGATIONS - Components of Long-term Debt (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Debt Instrument [Line Items]      
Loan fees $ (468) $ (649)  
Total long-term debt 46,095 83,289  
Less current portion including loan fees 4,194 4,194  
LONG-TERM DEBT, net of current portion 41,901 79,095  
ARC Agreement, Fourth Amendment      
Debt Instrument [Line Items]      
Loan fees     $ (900)
Term loan facility | ARC Agreement, Fourth Amendment      
Debt Instrument [Line Items]      
Long-term debt, gross 46,563 80,938  
Revolving facility | ARC Agreement, Fourth Amendment      
Debt Instrument [Line Items]      
Long-term debt, gross $ 0 $ 3,000