Income Taxes (Components Of The Company's Income Tax Expense (Benefit)) (Details) - USD ($) $ in Thousands	3 Months Ended						12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Income Taxes [Abstract]
Income tax expense (benefit): Federal: Deferred							$ (3,790)	$ (2,261)	$ (2,130)
Income tax expense (benefit): State: Deferred							(1,098)	(880)	(555)
Total income tax benefit	$ (375)	$ (1,443)	$ (3,070)	$ (2,401)	$ (631)	$ (109)	(4,888)	(3,141)	(2,685)
Income tax expense (benefit): From continuing operations							(4,888)	(3,141)	(2,685)
Income tax expense (benefit): From discontinued operations									2
Total income tax expense (benefit)							$ (4,888)	$ (3,141)	$ (2,683)