Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Statement of Financial Position [Abstract]
Allowance for loan losses	$ 28,511	$ 26,641
Common stock, no par value	$ 0	$ 0
Common stock, shares authorized	40,000,000	40,000,000
Common stock, shares issued	19,231,061	17,709,584
Treasury stock, common shares	3,502,827	2,755,384