Net Income per Common Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Earnings Per Share [Abstract]
Net income	$ 2,012	$ 4,097	$ 4,768	$ 8,104
Weighted average shares issued (in shares)	16,975,588	16,950,564	16,974,845	16,948,810
Add: dilutive effect of stock options (in shares)	13,190	31,141	17,378	28,414
Weighted average shares outstanding adjusted for potential dilution (in shares)	16,988,778	16,981,705	16,992,223	16,977,224
Basic earnings per share (in dollars per share)	$ 0.12	$ 0.24	$ 0.28	$ 0.48
Diluted earnings per share (in dollars per share)	$ 0.12	$ 0.24	$ 0.28	$ 0.48
Anti-dilutive stock options excluded from earnings per share calculation (in shares)	101,000	60,000	101,000	60,000