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Income Taxes (Schedule of Unrecognized Tax Benefits) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Income Tax Disclosure [Abstract] |  |  |
Balance at beginning of year | $ 22,044 | $ 27,317 | $ 18,000
Additions for tax positions related to the current year | 2,336 | 12,321 | 8,777
Increase foreign currency impact | 1,353 |  | 1,242
Decrease foreign currency impact |  | (2,000) |
Adjustments for tax positions related tax settlements |  | (15,576) | (687)
Reduction of reserve for statute expirations | (216) | (18) | (15)
Balance at end of year | $ 25,517 | $ 22,044 | $ 27,317

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