Summary of Significant Accounting Policies - Components of the Basic and Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Earnings Per Share [Abstract]
Net income available to common shareholders	$ 7,903	$ 2,369
Weighted average common shares outstanding	5,023,617	2,995,523
Dilutive effect of stock options	60,659	58,982
Dilutive effect of stock warrants	3,242	50,625
Diluted common shares	5,087,518	3,105,130
Basic earnings per common share	$ 1.57	$ 0.79
Diluted earnings per common share	$ 1.55	$ 0.76