Income Taxes, Earnings Before Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Earnings before income taxes [Abstract]
United States	$ 71,764	$ 72,593	$ 38,356
Foreign	85,720	65,252	62,647
Earnings before income taxes	$ 157,484	$ 137,845	$ 101,003

Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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