Income Taxes (Schedule Of Actual Income Benefit From Continuing Operations) (Details) - USD ($) $ in Thousands	3 Months Ended				12 Months Ended
	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Dec. 31, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Income Tax Disclosure [Line Items]
Total income tax expense (benefit)	$ (645)	$ 15	$ 35	$ 125	$ (595)	$ 125
TRS Leasing, Inc [Member]
Income Tax Disclosure [Line Items]
Computed "expected" income tax (benefit) expense					546	993	$ 684
State income taxes, net of Federal income tax (benefit) expense					47	139	82
(Decrease) increase in valuation allowance					(1,097)	(1,082)	(722)
Other					(145)	(50)	$ (44)
AMT					34	90
Total income tax expense (benefit)					$ (615)	$ 90