Income Taxes (Income Tax Expense Difference) (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Tax expense at Federal statutory income tax rate	$ 26,519	$ 14,392	$ 11,576
Impact of foreign operations	2,020	1,193	107
Foreign source income, net of tax credits	(4,944)	1,050	(2,248)
State tax, net of federal	175	(313)	(690)
Unrecognized tax benefits	(8,823)	5,800	543
Equity compensation excess tax deductions	262	(791)	(2,902)
General business credits	(867)	(931)	(656)
Distribution related foreign taxes	2,516	2,332	1,240
Executive compensation limitation	1,570	900	589
Valuation allowance change	525	(5,375)	(2,527)
Disproportionate tax effect of pension settlement charges	0	0	2,510
Other	(806)	287	265
Total	$ 18,147	$ 18,544	$ 7,807

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations.

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