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Debt - 2019 ABL Credit Agreement (Details) - 2019 Refinancing Revolving Credit Facility - USD ($)
Nov. 14, 2019
Feb. 24, 2021
Dec. 31, 2020
Sep. 30, 2020
Apr. 12, 2019
Debt Instrument [Line Items]          
Debt effective interest rate   5.25%   5.25%  
Letters of credit   $ 3,400,000 $ 3,400,000    
LIBOR Rate          
Debt Instrument [Line Items]          
Basis spread on variable rate 2.00%        
LIBOR Rate | Minimum          
Debt Instrument [Line Items]          
Basis spread on variable rate 3.00%        
LIBOR Rate | Maximum          
Debt Instrument [Line Items]          
Basis spread on variable rate 3.50%        
Base Rate          
Debt Instrument [Line Items]          
Basis spread on variable rate 3.00%        
Base Rate | Minimum          
Debt Instrument [Line Items]          
Basis spread on variable rate 2.00%        
Base Rate | Maximum          
Debt Instrument [Line Items]          
Basis spread on variable rate 2.50%        
Revolving Credit Facility          
Debt Instrument [Line Items]          
Line of credit facility, maximum borrowing capacity         $ 15,000,000