Leases - Schedule of Components of Lease Costs (Detail) $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($)
Lease Cost [Line Items]
Amortization of right-to-use assets	$ 31,081
Variable lease cost	74,476
Total lease cost	292,246
Operating, administrative and other costs [Member]
Lease Cost [Line Items]
Operating lease cost	189,106
Interest expense [Member]
Lease Cost [Line Items]
Interest on lease liabilities	1,317
Revenue [Member]
Lease Cost [Line Items]
Sublease income	$ (3,734)