Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018
Income Taxes [Abstract]
Provision for income taxes	$ 20,823	$ 20,547	$ 68,153	$ 65,843
Effective tax rate	32.10%	27.90%	33.80%	32.00%
Net deferred tax assets	$ 19,300		$ 19,300		$ 19,100
Undistributed earnings of non-U.S. subsidiaries					60,000
Incremental taxes if undistributed earnings on non-U.S. subsidiaries were repatriated					$ 6,000
Minimum [Member]
Income Taxes [Abstract]
Decrease in unrecognized tax benefits within the next 12 months that is reasonably possible	(500)		$ (500)
Maximum [Member]
Income Taxes [Abstract]
Statute of limitations related to income tax examinations			10 years
Income Taxes [Abstract]
Decrease in unrecognized tax benefits within the next 12 months that is reasonably possible	$ (1,500)		$ (1,500)