Income Taxes - Components of Income Tax Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income (loss) before taxes:
United States operations	$ 60,806	$ (117,819)	$ 42,833
Foreign operations	26,856	183,946	109,577
Income from continuing operations before taxes	87,662	66,127	152,410
Currently payable
United States federal	4,375	273	21,893
United States state and local	3,108	91	3,090
Foreign	13,634	11,511	13,859
Income tax expense (benefit)	21,117	11,875	38,842
Deferred
United States federal	13,204	(1,754)	7,567
United States state and local	5,205	(2,310)	(1,205)
Foreign	(14,321)	3,913	(2,685)
Deferred Income tax expense (benefit)	4,088	(151)	3,677
Income tax expense	$ 25,205	$ 11,724	$ 42,519