Federal Income Taxes - Tax Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Income Tax Disclosure [Abstract]
Federal tax (benefit) provision at statutory tax rate	$ (538)	$ 343	$ (12)
TRS state and local taxes, net of Federal benefit	(84)	53	(2)
Permanent differences, net	1,663	396	446
Prior year under-accrual, net	0	938	1
Other	(1,516)	(131)	41
REIT state and local income and franchise taxes	370	188	155
Total (benefit) provision for income taxes	$ (105)	$ 1,787	$ 629