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	Jun. 30, 2017
Income Tax Disclosure [Abstract]
Income tax expense (benefit)	$ (8,425)	$ (805)	$ (6,724)	$ (228)
Effective income tax rate, percent			(36.98%)	(1.10%)
Federal Statutory income tax rate, percent			21.00%		35.00%
CARES Act NOL Carryback			$ 7,000