Leases - Schedule of Lease Costs and Classification on Consolidated Statements of Comprehensive Income (Loss) (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Lease Cost
Net lease cost	$ 15,411	$ 15,861
Operating Expense [Member]
Lessee Lease Description [Line Items]
Operating lease cost	13,966	14,528
Selling, General and Administrative Expenses [Member]
Lessee Lease Description [Line Items]
Operating lease cost	425	445
Depreciation and Amortization [Member]
Finance lease cost
Amortization of leased assets	844	742
Interest Expense [Member]
Finance lease cost
Interest on lease liabilities	$ 176	$ 146