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Income Taxes (Income Before Income Taxes) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Income Tax Disclosure [Abstract]      
Undistributed Earnings of Foreign Subsidiaries $ 22,600    
Deferred Tax Liability Not Recognized, Amount of Unrecognized Deferred Tax Liability, Undistributed Earnings of Foreign Subsidiaries 1,500    
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest [Abstract]      
U.S. income (16,026) $ 5,332 $ 24,320
Foreign income 17,629 25,893 26,333
Income before income taxes $ 1,603 $ 31,225 $ 50,653