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Credit Facilities (Details) - Revolving Credit Facility
9 Months Ended
Sep. 30, 2020
USD ($)
financial_institution
Line of Credit Facility [Line Items]  
Maximum borrowing capacity $ 75,000,000
Number of financial institutions | financial_institution 1
Revolving credit facility, term 5 years
Percentage of inventory advance rate computed 60.00%
Percentage of inventory advance rate of net orderly liquidation value 85.00%
Eligible collateral under the credit facility $ 75,000,000.0
Availability under line of credit 73,000,000.0
Total outstanding letters of credit 1,600,000
Total excess availability 71,400,000
Outstanding borrowings $ 0
Maximum  
Line of Credit Facility [Line Items]  
Percentage of eligible accounts receivable for borrowings 85.00%