Income Taxes - Additional Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Income Tax Disclosure [Abstract]
Excess tax benefit on stock based payments		$ 8,000	$ 11,000
U.S. federal statutory rate	21.00%	35.00%	35.00%	35.00%
Tax Cuts and Jobs Act of 2017, transition tax for accumulated foreign earnings, provisional amount		$ 51,000
Tax Cuts and Jobs Act of 2017, tax benefit from decrease to net deferred tax liabilities, provisional amount		73,000
Undistributed earnings of foreign subsidiaries		687,000
Net operating loss carryforwards		11,734	$ 7,858
Tax credit carryforwards		2,000	2,000
Interest deduction carryforwards		13,845	9,806
Valuation allowance, deferred tax assets		21,527	11,252
Valuation allowance, deferred tax asset, change in amount		10,000
Valuation Allowance, due to interest expense deductions		7,000
Valuation allowance, deferred tax asset, change in amount due to NOLs		3,000
Unrecognized tax benefits that would impact effective tax rate		1,000	1,000	$ 1,000
Unrecognized tax benefits that would impact deferred taxes		1,000	1,000	1,000
Accumulated interest and penalties		1,000	$ 1,000	$ 1,000
Change in unrecognized tax benefits reasonably possible, reduction to unrecognized tax benefits		$ 1,000