Annual report pursuant to Section 13 and 15(d)

Long-Term Debt - Credit Agreement (Details)

v3.22.0.1
Long-Term Debt - Credit Agreement (Details) - USD ($)
$ in Thousands
12 Months Ended
Mar. 31, 2021
Dec. 31, 2020
Jan. 31, 2020
Feb. 13, 2019
Dec. 31, 2021
Dec. 31, 2020
Jun. 09, 2021
Debt Instrument [Line Items]              
Write off of unamortized deferred financing costs         $ 972 $ 197  
Loss on extinguishment of debt         4,936    
Voluntary payment $ 20,000 $ 30,000 $ 20,000 $ 30,000      
Term loan facility              
Debt Instrument [Line Items]              
Unamortized discount on issuance of debt   $ 4,234     499 $ 4,234  
Credit Agreement              
Debt Instrument [Line Items]              
Unamortized discount on issuance of debt         563    
Deferred financing cost         1,409    
Write off of unamortized deferred financing costs         972    
Write off of unamortized debt discount         3,964    
Loss on extinguishment of debt         $ 4,936    
Leverage ratio         3.50%    
Interest coverage ratio         3.00%    
Credit Agreement | Maximum              
Debt Instrument [Line Items]              
Increase in borrowing ability             $ 175,000
Senior secured term loan              
Debt Instrument [Line Items]              
Maximum borrowing capacity             225,000
Senior secured term loan | Maximum | LIBOR | Leverage ratio one              
Debt Instrument [Line Items]              
Interest rate margin (as a percent)         2.00%    
Senior secured term loan | Minimum | LIBOR | Leverage ratio one              
Debt Instrument [Line Items]              
Interest rate margin (as a percent)         1.375%    
Revolving credit facility              
Debt Instrument [Line Items]              
Maximum borrowing capacity             100,000
Revolving credit facility | NYFRB              
Debt Instrument [Line Items]              
Interest rate margin (as a percent)         0.50%    
Revolving credit facility | One month London Interbank Offered Rate              
Debt Instrument [Line Items]              
Interest rate margin (as a percent)         1.00%    
Revolving credit facility | Maximum              
Debt Instrument [Line Items]              
Unused commitment fee (as a percent)         0.30%    
Revolving credit facility | Maximum | LIBOR | Leverage ratio one              
Debt Instrument [Line Items]              
Interest rate margin (as a percent)         1.00%    
Revolving credit facility | Maximum | LIBOR | Leverage ratio two              
Debt Instrument [Line Items]              
Interest rate margin (as a percent)         1.00%    
Revolving credit facility | Minimum              
Debt Instrument [Line Items]              
Unused commitment fee (as a percent)         0.15%    
Revolving credit facility | Minimum | LIBOR | Leverage ratio one              
Debt Instrument [Line Items]              
Interest rate margin (as a percent)         0.375%    
Revolving credit facility | Minimum | LIBOR | Leverage ratio two              
Debt Instrument [Line Items]              
Interest rate margin (as a percent)         1.00%    
Letter of credit              
Debt Instrument [Line Items]              
Maximum borrowing capacity             10,000
Letter of credit | Term loan facility              
Debt Instrument [Line Items]              
Percentage of net cash proceeds of certain asset sales, certain insurance or condemnation events, requirement for additional principal prepayments         100.00%    
Percentage of excess cash flow paid as additional principal prepayments         50.00%    
Reduced percentage of excess cash flow paid as additional principal prepayments upon achievement of certain leverage ratio thresholds, one         0.00%    
Letter of credit | Term loan facility | Maximum              
Debt Instrument [Line Items]              
Debt Instrument, Period before Fiscal Year End for Additional Principal Prepayments of Debt from Excess Cash Flow         150 days    
Swing line loan              
Debt Instrument [Line Items]              
Maximum borrowing capacity             $ 15,000