Fixed Assets, Net - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Property, Plant and Equipment [Line Items]
Depreciation expense			$ 63,550	$ 64,081
Asset retirement obligations	$ 6,300		6,300		$ 5,900
Impairment charges	600	$ 400	3,700	5,400
Occupancy and equipment
Property, Plant and Equipment [Line Items]
Depreciation expense	6,000	6,300	18,900	18,300
Software development costs capitalized	7,800	12,800	31,700	41,100
Amortization of software development costs	$ 9,300	$ 8,000	$ 26,000	$ 24,000