Factor Receivable (Detail) - USD ($)	9 Months Ended
	Sep. 30, 2020	May 06, 2020	May 05, 2020
Accounts, Notes, Loans and Financing Receivable [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 150,000,000
Letters Of Credit SubLimit Capacity Amount	$ 15,000,000
Debt Instrument, Basis Spread on Variable Rate	0.50%
Factoring Fee	0.20%
Termination Notice in Days	$ 60
Rosenthal & Rosenthal, Inc. [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity		$ 50,000,000	$ 30,000,000
London Interbank Offered Rate (LIBOR) [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Debt Instrument, Basis Spread on Variable Rate	1.00%