Income Taxes (Narrative) (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Valuation Allowance [Line Items]
Reversal of Accrued Withholding Taxes on Earnings			$ 988,000
Effective income tax rate, continuing operations	(4.70%)	(19.50%)	(21.90%)	(17.80%)
U.S. statutory income tax rate			21.00%	21.00%
Effective income tax rate, continuing operations	(4.70%)	(19.50%)	(21.90%)	(17.80%)
U.S. statutory income tax rate			21.00%	21.00%