Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Statement of Financial Position [Abstract]
Allowance for credit losses	$ 41,268	$ 37,160
Common stock, no par value	$ 0	$ 0
Common shares, shares authorized	40,000,000	40,000,000
Common stock, shares issued	19,338,734	19,288,674
Treasury shares, common shares	3,602,206	3,593,250