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Income Taxes (Narrative) (Details) - USD ($)
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Valuation Allowance [Line Items]    
Reversal of Accrued Withholding Taxes on Earnings $ 988,000  
Effective income tax rate, continuing operations 74.20% (16.30%)
U.S. statutory income tax rate 21.00%