Annual report pursuant to Section 13 and 15(d)

Operating Leases - Schedule of Operating Lease Cost, Included in Selling, General and Administrative Expense (Detail)

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Operating Leases - Schedule of Operating Lease Cost, Included in Selling, General and Administrative Expense (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Operating lease cost:    
Lease cost $ 25,508 $ 24,372
Variable lease cost 5,438 5,305
Sublease income (246) (305)
Total operating lease cost $ 30,700 $ 29,372