Income Taxes (Schedule of Actual Income Benefit from Continuing Operations) (Details) - USD ($) $ in Thousands	3 Months Ended							12 Months Ended
	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Income Tax Disclosure [Line Items]
Total income tax expense (benefit)	$ 20	$ 132	$ 54	$ 129	$ (645)	$ 15	$ 35	$ 335	$ (595)	$ 125
TRS Leasing, Inc [Member]
Income Tax Disclosure [Line Items]
Computed "expected" income tax (benefit) expense								191	546	993
State income taxes, net of Federal income tax (benefit) expense								40	47	139
(Decrease) increase in valuation allowance								29	(1,097)	(1,082)
Other								(8)	(145)	(50)
AMT									34	90
Total income tax expense (benefit)								$ 252	$ (615)	$ 90