Annual report pursuant to Section 13 and 15(d)

LONG-TERM DEBT AND LONG-TERM OBLIGATIONS - Additional Information (Details)

v3.19.1
LONG-TERM DEBT AND LONG-TERM OBLIGATIONS - Additional Information (Details)
Jul. 31, 2018
USD ($)
Dec. 31, 2019
Sep. 30, 2019
Jun. 30, 2019
Mar. 31, 2019
Dec. 31, 2018
USD ($)
Jul. 30, 2018
USD ($)
Dec. 31, 2017
USD ($)
Oct. 31, 2014
USD ($)
Debt Instrument [Line Items]                  
Outstanding debt           $ 102,482,000   $ 99,082,000  
Debt issuance costs           830,000   $ 501,000  
ARC Agreement                  
Debt Instrument [Line Items]                  
Debt issuance costs           300,000      
ARC Agreement | Revolving Credit Facility                  
Debt Instrument [Line Items]                  
Revolving commitments                 $ 40,000,000.0
ARC Agreement, Fourth Amendment                  
Debt Instrument [Line Items]                  
Debt issuance costs           900,000      
ARC Agreement, Fourth Amendment | Revolving Credit Facility                  
Debt Instrument [Line Items]                  
Revolving commitments $ 75,000,000.0                
Borrowed funds under the agreement           18,000,000      
Available borrowings           $ 18,000,000      
Effective interest rate           4.19%      
ARC Agreement, Fourth Amendment | Minimum | Revolving Credit Facility                  
Debt Instrument [Line Items]                  
Commitment fee 0.20%                
ARC Agreement, Fourth Amendment | Minimum | TOCCO                  
Debt Instrument [Line Items]                  
Consolidated leverage ratio           4.75      
Consolidated fixed charge coverage ratio 1.15                
ARC Agreement, Fourth Amendment | Minimum | LIBOR | Revolving Credit Facility                  
Debt Instrument [Line Items]                  
Basis spread on variable rate 1.25%                
ARC Agreement, Fourth Amendment | Minimum | Base Rate | Revolving Credit Facility                  
Debt Instrument [Line Items]                  
Basis spread on variable rate 0.25%                
ARC Agreement, Fourth Amendment | Maximum | Revolving Credit Facility                  
Debt Instrument [Line Items]                  
Commitment fee 0.375%                
ARC Agreement, Fourth Amendment | Maximum | TOCCO                  
Debt Instrument [Line Items]                  
Consolidated leverage ratio           1.00      
Consolidated fixed charge coverage ratio 1.00                
ARC Agreement, Fourth Amendment | Maximum | LIBOR | Revolving Credit Facility                  
Debt Instrument [Line Items]                  
Basis spread on variable rate 2.50%                
ARC Agreement, Fourth Amendment | Maximum | Base Rate | Revolving Credit Facility                  
Debt Instrument [Line Items]                  
Basis spread on variable rate 1.50%                
Single Advance Term Loan | ARC Agreement                  
Debt Instrument [Line Items]                  
Aggregate amount                 70,000,000.0
Multiple Advance Term Loan | ARC Agreement                  
Debt Instrument [Line Items]                  
Aggregate amount                 $ 25.0
Term Loan | ARC Agreement                  
Debt Instrument [Line Items]                  
Outstanding debt             $ 60,400,000    
Term Loan | ARC Agreement, Fourth Amendment                  
Debt Instrument [Line Items]                  
Aggregate amount $ 87,500,000.0                
Outstanding debt           $ 84,500,000      
Optional increase in borrowing capacity $ 50,000,000.0                
Forecast | ARC Agreement, Fourth Amendment | Minimum | TOCCO                  
Debt Instrument [Line Items]                  
Consolidated leverage ratio   3.50 3.75 4.00 4.25        
Forecast | ARC Agreement, Fourth Amendment | Maximum | TOCCO                  
Debt Instrument [Line Items]                  
Consolidated leverage ratio   1.00 1.00 1.00 1.00