Income Taxes (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Income Tax Disclosure [Line Items]
Income tax benefit (expense)	$ (27)	$ (8)	$ 340	$ (655)
Valuation allowance	1,170		1,170
TRS Leasing, Inc [Member]
Income Tax Disclosure [Line Items]
Income tax benefit (expense)	(27)	$ (8)	$ 340	$ (655)
Combined federal and state effective tax rate			24.00%
Net operating loss carryforward for federal income tax purposes	$ 6,850		$ 6,850
TRS Leasing, Inc [Member] | Minimum [Member]
Income Tax Disclosure [Line Items]
Loss carryforwards expiration period			Jan. 01, 2027
TRS Leasing, Inc [Member] | Maximum [Member]
Income Tax Disclosure [Line Items]
Loss carryforwards expiration period			Dec. 31, 2034