Earnings Per Common Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Earnings Per Share [Abstract]
Net income	$ 4,627	$ 2,713
Less allocation of earnings and dividends to participating securities	8	4
Net income allocated to common shareholders	$ 4,619	$ 2,709
Weighted average common shares outstanding, gross (in shares)	13,307,865	10,035,871
Less average participating securities (in shares)	24,231	15,260
Weighted average number of shares outstanding used in the calculation of basic earnings per common share (in shares)	13,283,634	10,020,611
Add dilutive effect of:
Stock options (in shares)	3,704	7,977
Adjusted weighted average number of shares outstanding used in the calculation of diluted earnings per common share (in shares)	13,287,338	10,028,588
Earnings per common share:
Basic (usd per share)	$ 0.35	$ 0.27
Diluted (usd per share)	$ 0.35	$ 0.27