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Fair Value of Financial Instruments (Details) - USD ($)
Sep. 30, 2020
Dec. 31, 2019
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Letters of credit outstanding $ 9,400,000 $ 0
ABL Facility | ABL Borrowings    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Amount of borrowings available 64,000,000.0  
Senior Secured Notes Due 2024, Existing Notes | Senior Secured Notes | Level 2    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair value of debt instrument 349,400,000  
ABL Borrowings | Citibank    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Outstanding debt under ABL Facility $ 40,000,000.0  
ABL Borrowings | Citibank | Letter of Credit    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Letters of credit issued and outstanding   $ 8,900,000