Benefit Plans (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Benefit Plans [Abstract]
Minimum hours employees required to work per year to qualify for ESOP	1000 hours
Common shares owned by ESOP	135,490
Employee Stock Ownership Plan Debt to Company	$ 0	$ 0
Dividends Paid to ESOP	0	0
Common shares owned by ESOP, fair market value	549
ESOP compensation expense	24	24
Board of Directors' discretionary contribution to 401(k) plan	$ 0	$ 0