Leases - Schedule of Lease Cost (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Finance lease costs:
Depreciation of leased assets	$ 868	$ 907
Interest of lease liabilities	3,214	3,226
Total finance lease costs	4,082	4,133
Operating lease costs	27,050	25,630
Variable lease costs	2,501	1,966
Short term lease costs	3,558	4,790
Other lease costs	4,253	3,101
Total rents and leases	37,362	35,487
Total lease costs	$ 41,444	$ 39,620