Income Taxes (Income Tax Provision (Benefit)) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Current taxes:
Federal	$ 1,332	$ 0	$ 9
Foreign	1	0	48
State	138	1,043	590
Deferred taxes:
Federal	14,155	15,642	27,625
Foreign	0	(63)	0
State	(3,677)	2,973	3,396
Total deferred tax expense	10,478	18,552	(28,923)
Total income tax expense from continuing operations	11,589	19,595	(28,276)
Income tax expense (benefit) from discontinued operations	360	434	(1,848)
2017 Tax Cuts and Jobs Act [Member]
Deferred taxes:
Federal	$ 0	$ 0	$ (59,944)