Quarterly report pursuant to Section 13 or 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
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Operating lease cost:        
Lease cost $ 6,341 $ 6,106 $ 12,604 $ 12,015
Variable lease cost 1,215 1,284 2,611 2,490
Sublease income (89) (43) (166) (131)
Total operating lease cost $ 7,467 $ 7,347 $ 15,049 $ 14,374