Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Earnings Per Share [Abstract]
Shares outstanding (weighted average) (in shares)	7,740,685	4,685,553
Shares held by Rabbi Trust (in shares)	95,843	96,736
Share liability under deferred compensation agreement (in shares)	(95,843)	(96,736)
Net earnings applicable to common stockholders	$ 1,308	$ 2,011
Net income applicable to common stockholders and assumed conversions	$ 1,308	$ 2,011
Basic earnings per share (in shares)	7,740,685	4,685,553
Unvested stock awards (in shares)	51,051	41,780
Diluted earnings per share (in shares)	7,791,736	4,727,333
Basic earnings per share (usd per share)	$ 0.17	$ 0.43
Diluted earnings per share (usd per share)	$ 0.17	$ 0.43
Shares of common stock outstanding not included in the computation of diluted EPS (in shares)	20,170	46,753