Income Taxes - Components of Income Tax Expense (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Federal
Current	$ 35,324	$ 45,996	$ 101,821
Deferred	3,149	(9,759)	(42,474)
Federal income tax expense, total	38,473	36,237	59,347
State
Current	13,711	13,262	20,490
Deferred	1,333	(2,272)	(1,221)
State and local income tax expense, total	15,044	10,990	19,269
Foreign
Current	150,261	151,312	149,596
Deferred	0	0	0
Foreign income tax expense, total	150,261	151,312	149,596
Total
Current	199,296	210,570	271,907
Deferred	4,482	(12,031)	(43,695)
Income tax expense	$ 203,778	$ 198,539	$ 228,212