Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Tax Credit [Line Items]
Unrecognized tax benefits	$ 4,800
Unrecognized Tax Benefits, Interest on Income Taxes Accrued	$ 700
Effective tax rate	14.60%	19.90%
Deferred income taxes	$ 12,434		$ 11,108
Unremitted earnings of foreign subsidiaries	11,600
Unrecognized deferred tax liability on unremitted earnings of foreign subsidiaries	400
Internal Revenue Service (IRS) | Tax Years 2011 through 2015 [Member] | Domestic Tax Authority [Member]
Tax Credit [Line Items]
Disallowed research tax credits being litigated	5,700
Internal Revenue Service (IRS) | Tax Years 2011 through 2019 [Member] | Domestic Tax Authority [Member]
Tax Credit [Line Items]
Research Tax Credits	$ 16,200