Income Taxes (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Income Taxes [Abstract]
Effective income tax rate	18.00%	82.00%
Increase in income tax benefit	$ 250
Valuation allowances against deferred tax assets	3,400		$ 3,200
Net deferred tax liability	19,500		$ 20,400
Reduction to income taxes payable and deferred tax assets	$ 1,300