Income Taxes - Schedule Reconciles United States Statutory Federal Rate to Income Tax Provision (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Effective Income Tax Rate Reconciliation, Amount [Abstract]
Tax at U.S. statutory rate	$ 20,643	$ 14,627	$ 74,461
State and local taxes	209	1,273	1,177
Tax credits and incentives	(8,034)	(11,702)	(11,436)
Effect of foreign tax rates	(1,656)	(10,388)	(23,103)
Nonrecurring permanent items	(5,250)	0	(13,947)
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Payment Arrangement, Amount	1,596	(2,097)	(3,563)
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Amount	2,820	2,451	0
Other changes in tax reserves	(206)	(3,760)	1,701
Valuation allowance	24,625	(7,844)	25,809
Income tax provision	$ 36,089	$ (29,400)	$ 71,506
Effective income tax rate	36.70%	(42.20%)	33.60%
U.S. Tax and Jobs Act [Member]
Effective Income Tax Rate Reconciliation, Amount [Abstract]
Changes in tax law	$ 1,102	$ (6,860)	$ 30,412
Other legislation [Member]
Effective Income Tax Rate Reconciliation, Amount [Abstract]
Changes in tax law	2,909	(3,008)	7,279
Goodwill [Member]
Effective Income Tax Rate Reconciliation, Amount [Abstract]
Effective Income Tax Rate Reconciliation, Other Adjustments, Amount	0	6,887	0
Other Adjustments [Member]
Effective Income Tax Rate Reconciliation, Amount [Abstract]
Effective Income Tax Rate Reconciliation, Other Adjustments, Amount	(411)	(5,226)	(6,915)
Outside Basis Difference [Member]
Effective Income Tax Rate Reconciliation, Amount [Abstract]
Effective Income Tax Rate Reconciliation, Other Adjustments, Amount	(2,258)	(3,753)	9,562
Capital Loss [Member]
Effective Income Tax Rate Reconciliation, Amount [Abstract]
Effective Income Tax Rate Reconciliation, Other Adjustments, Amount	$ 0	$ 0	$ (19,931)