Income Taxes (Income Tax Expense from Continuing Operations) (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Current
Federal	$ 49,433	$ 28,520	$ 11,024
State	6,380	2,285	1,825
Total current	55,813	30,805	12,849
Deferred
Federal	(3,424)	477	2,323
State	(291)	(77)	(729)
Foreign	0	201	4
Total deferred	(3,715)	601	1,598
Provision for income taxes	$ 52,098	$ 31,406	$ 14,447