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The components of income before income taxes consist of the following: (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Income Tax Disclosure [Abstract]      
U.S. operations $ 34,742 $ 9,577 $ 23,384
Foreign operations 116,277 59,772 81,762
Income before income taxes $ 151,019 $ 69,349 $ 105,146