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Income Taxes (Schedule of Income Before Income Taxes) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Income Tax Disclosure [Abstract]      
United States $ 16,035 $ 32,237 $ 36,461
International 13,536 10,967 9,763
Income before income taxes $ 29,571 $ 43,204 $ 46,224