Income Taxes - Income tax provision from operations included in consolidated statements of operations (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Current:
Federal	$ 387	$ 379
State	3	6
Total current tax	390	385
Deferred:
Federal	1,741	(2,039)
State		41
Total deferred	1,741	(1,998)
Income tax provision, total	$ 2,131	$ (1,613)