Income Taxes (Details 1) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Current:
Federal	$ 2,545	$ 5,616	$ 3,307
State	(255)	1,010	784
Total current	2,290	6,626	4,091
Total deferred	(8,210)	2,247	2,481
Total Income Tax Provision	$ (5,920)	$ 8,873	$ 6,572