Income Taxes, Consolidated Income Before Provision for Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Consolidated Income Before Provision for Income Taxes [Abstract]
U.S.	$ 45,371	$ 71,138	$ 24,211
Foreign	187,088	185,094	230,961
Income before provision for income taxes	$ 232,459	$ 256,232	$ 255,172