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Debt - Credit Agreement (Details) - USD ($)
12 Months Ended
Aug. 21, 2018
Dec. 31, 2021
Dec. 31, 2020
Long-term Debt      
Long-term debt outstanding   $ 0 $ 0
One-month LIBOR      
Long-term Debt      
Applicable margin rate   1.50% 1.75%
Three-month LIBOR      
Long-term Debt      
Applicable margin rate   1.50% 1.75%
ABL Credit Facility      
Long-term Debt      
Long-term debt outstanding   $ 0 $ 0
Subsidiaries | ABL Credit Facility      
Long-term Debt      
Debt term 5 years    
Maximum borrowing capacity $ 75,000,000    
Fixed charge coverage ratio   1.0  
Subsidiaries | ABL Credit Facility | Minimum      
Long-term Debt      
Commitment fee, percent   0.25%  
Subsidiaries | ABL Credit Facility | Minimum | Alternate Base Rate      
Long-term Debt      
Applicable margin rate   0.50%  
Subsidiaries | ABL Credit Facility | Minimum | Eurodollar      
Long-term Debt      
Applicable margin rate   1.50%  
Subsidiaries | ABL Credit Facility | Maximum      
Long-term Debt      
Commitment fee, percent   0.375%  
Subsidiaries | ABL Credit Facility | Maximum | Alternate Base Rate      
Long-term Debt      
Applicable margin rate   1.00%  
Subsidiaries | ABL Credit Facility | Maximum | Eurodollar      
Long-term Debt      
Applicable margin rate   2.00%  
Subsidiaries | Letters of credit      
Long-term Debt      
Maximum borrowing capacity $ 15,000,000