Income Taxes (Schedule of Components of Income Tax Expense) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Income Tax Disclosure [Abstract]
Income tax based on income from continuing operations	$ 10,942	$ 11,332
Income tax before discrete items	10,942	11,332
Discrete tax expense:
Exercise of U.S. stock options	(9)	(142)
Impact of amended tax returns	(81)	(645)
Adjustments of prior year estimated taxes	104	(751)
Changes in uncertain tax positions	6	278
Other	36	(32)
Total income tax expense	$ 10,998	$ 10,040
Effective income tax rate reconciliation, percent	28.00%	30.10%