Income Taxes (Schedule of Components of Income Tax Expense (Benefit)) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Tax Disclosure [Line Items]
Total income tax expense (benefit)	$ 282	$ 8	$ 461	$ 186	$ 20	$ 132	$ 54	$ 129	$ 937	$ 335	$ (595)
TRS Leasing, Inc [Member]
Income Tax Disclosure [Line Items]
Federal: Current											33
Federal: Deferred									817	202	(615)
State and local: Current									2	(8)	12
State and local: Deferred									(57)	58	(45)
Total income tax expense (benefit)									$ 762	$ 252	$ (615)