Income Taxes (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Income Tax Disclosure [Line Items]
Income tax expense (benefit)	$ 461	$ 54	$ 647	$ 183
TRS Leasing, Inc [Member]
Income Tax Disclosure [Line Items]
Income tax expense (benefit)	461	$ 54	$ 647	$ 183
Combined federal and state effective tax rate			26.00%
Net operating loss carryforward for federal income tax purposes	$ 3,208		$ 3,208
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