Earnings per Share - Summary of earnings per share computation (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Basic
Net income	$ 7,711	$ 2,519	$ 19,404	$ 11,195
Weighted average shares outstanding for basic earnings per share	7,637,407	7,460,897	7,628,903	7,445,497
Basic earnings per share (in dollars per share)	$ 1.01	$ 0.34	$ 2.54	$ 1.50
Diluted
Net income	$ 7,711	$ 2,519	$ 19,404	$ 11,195
Weighted average shares outstanding for basic earnings per share	7,637,407	7,460,897	7,628,903	7,445,497
Add: Dilutive effects of share based awards	588,807	487,145	557,194	448,076
Average shares and dilutive potential shares	8,226,214	7,948,042	8,186,097	7,893,573
Diluted earnings per share (in dollars per share)	$ 0.94	$ 0.32	$ 2.37	$ 1.42
Stock options and restricted shares not considered in computing diluted earnings per share because they were anti-dilutive	61,900	107,600	65,367	107,600