Income Taxes - Provision for Income Taxes (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Current:
Federal	$ 272,971	$ 151,532	$ 115,610
State	80,650	42,769	34,586
Deferred:
Federal	873	(13,289)	(2,195)
State	(810)	(4,227)	(745)
Total	$ 353,684	$ 176,785	$ 147,256