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Factor Receivable (Detail) - USD ($)
9 Months Ended
Sep. 30, 2021
Jul. 22, 2020
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Line of Credit Facility, Maximum Borrowing Capacity   $ 150,000,000
Debt Instrument, Basis Spread on Variable Rate 0.50%  
Factoring Fee 0.20%  
Termination Notice in Days $ 60  
London Interbank Offered Rate (LIBOR) [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Debt Instrument, Basis Spread on Variable Rate 1.00%