Income Taxes (Income Tax Provision (Benefit)) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Current taxes:
Federal	$ 820	$ 524	$ 338
Foreign	0	0	0
State	151	371	345
Deferred taxes:
Federal	11,338	21,073	17,411
Foreign	0	0	0
State	1,085	1,440	1,608
Total deferred tax expense	12,423	22,513	19,019
Total income tax expense from continuing operations	13,394	23,408	19,702
Income tax expense (benefit) from discontinued operations	$ 1,384	$ 1,178	$ (1,262)