Annual report pursuant to Section 13 and 15(d)

LONG-TERM DEBT AND LONG-TERM OBLIGATIONS - Narrative (Details)

v3.20.4
LONG-TERM DEBT AND LONG-TERM OBLIGATIONS - Narrative (Details)
$ in Thousands
9 Months Ended 12 Months Ended
May 06, 2020
USD ($)
Sep. 30, 2020
USD ($)
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Debt Instrument [Line Items]          
Additional borrowing capacity     $ 50,000    
Consolidated fixed charge coverage ratio, minimum required     1.15    
Debt issuance costs     $ 468 $ 649  
Unamortized debt issuance cost     500 600  
Additions to CARES Act, PPP Loans     6,123 0 $ 0
ARC Agreement, Fourth Amendment          
Debt Instrument [Line Items]          
Debt issuance costs         900
ARC Agreement, Fourth Amendment | Revolving facility          
Debt Instrument [Line Items]          
Long-term debt     0 $ 3,000  
Available remaining borrowing capacity     $ 52,400    
Effective interest rate     2.63%    
Amortization period     20 years    
ARC Agreement, Fourth Amendment | TOCCO          
Debt Instrument [Line Items]          
Consolidated leverage ratio, minimum required     3.50    
Consolidated leverage ratio     1.65 2.20  
ARC Agreement, Fourth Amendment | Minimum | Revolving facility          
Debt Instrument [Line Items]          
Line of credit facility, commitment fee percentage     0.20%    
ARC Agreement, Fourth Amendment | Minimum | Revolving facility | LIBOR          
Debt Instrument [Line Items]          
Basis spread on variable rate     1.25%    
ARC Agreement, Fourth Amendment | Minimum | Revolving facility | Base Rate          
Debt Instrument [Line Items]          
Basis spread on variable rate     0.25%    
ARC Agreement, Fourth Amendment | Minimum | TOCCO          
Debt Instrument [Line Items]          
Consolidated fixed charge coverage ratio     1.80 2.56  
ARC Agreement, Fourth Amendment | Maximum | Revolving facility          
Debt Instrument [Line Items]          
Line of credit facility, commitment fee percentage     0.375%    
ARC Agreement, Fourth Amendment | Maximum | Revolving facility | LIBOR          
Debt Instrument [Line Items]          
Basis spread on variable rate     2.50%    
ARC Agreement, Fourth Amendment | Maximum | Revolving facility | Base Rate          
Debt Instrument [Line Items]          
Basis spread on variable rate     1.50%    
ARC Agreement          
Debt Instrument [Line Items]          
Debt issuance costs         $ 300
ARC Agreement | Revolving facility          
Debt Instrument [Line Items]          
Available remaining borrowing capacity     $ 75,000    
Acquisition Term Loan | Term loan facility          
Debt Instrument [Line Items]          
Borrowed funds under the agreement   $ 30,000      
Repayments of lines of credit   $ 60,000      
PPP Loans | CARES Act          
Debt Instrument [Line Items]          
Additions to CARES Act, PPP Loans $ 6,100        
Interest rate, stated percentage 1.00%        
Term loan facility | ARC Agreement, Fourth Amendment          
Debt Instrument [Line Items]          
Long-term debt     46,563 $ 80,938  
Borrowed funds under the agreement     $ 46,600