Income Taxes (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Income Tax Disclosure [Abstract]
Income tax expense	$ 1,348	$ 5,332	$ 7,388	$ 9,160
Effective tax rate	3.70%	24.90%	12.50%	24.90%
Income Tax Credits and Adjustments			$ 6,700