Income Taxes (Details 3) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Effective Income Tax Rate Reconciliation, Percent [Abstract]
U.S. federal income tax expense	$ 11,859	$ 23,866	$ 26,391
U.S. state income taxes, net of federal income tax benefit	(274)	566	642
U.S. other domestic deductions and credits	(1,322)	(2,407)	(364)
Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential and Repatriation of Foreign Earnings	(9,550)	(5,394)	(647)
Uncertain tax position contingencies and settlements	310	(1,180)	(1,518)
Changes in realization on beginning of the year deferred tax assets	2,343	(6,937)	1,983
U.S. non-deductible expenses	2,554	1,128	609
Effective Income Tax Rate Reconciliation, Tax Cuts and Jobs Act, Amount	1,643	(11,686)	49,811
State deferred tax rate change	(3,353)	0	623
Effective Income Tax Rate Reconciliation Foreign derived intangible income deduction	0	(2,366)	0
Effective Income Tax Rate Reconciliation, Tax Expense (Benefit), Share-based Payment Arrangement, Amount	(3,064)	(736)	(346)
Other, net	(32)	(143)	(288)
Income Tax Expense (Benefit)	$ 20,214	$ 5,499	$ 78,190
Annual effective income tax rate	35.80%	4.80%	103.70%
International	$ 70,405	$ 85,368	$ 84,637
Current Foreign Tax Expense (Benefit)	26,300	14,400
Differences on international earnings and remittances	9,600	5,400
U.S.	(13,934)	28,281	$ (9,235)
Provisional tax expense from revaluing the U.S. ending net deferred tax assets		11,700
Income Tax Expense (Benefit), Increase (Decrease) From Prior Year	$ 6,100	$ 8,900