Income Taxes (Components of Income Tax Provision) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Current:
Federal	$ (22,923)	$ 0	$ (1,126)
State	(2,295)	97	587
Foreign	(238)	(740)	488
Total current	(25,456)	(643)	(51)
Deferred:
Federal	23,910	(6,585)	5,994
State	1,345	(89)	214
Foreign	0	101	(45)
Total deferred	25,255	(6,573)	6,163
Income tax (benefit) expense	$ (201)	$ (7,216)	$ 6,112