Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Statement of Financial Position [Abstract]
Investment securities held-to-maturity (fair value $123,760 and $134,068 at September 30, 2023 and December 31, 2022, respectively)	$ 123,760	$ 134,068
Investment securities available-for-sale (amortized cost $396,804 and $402,111, net of allowance for credit losses of $1,537 and $1,140 at September 30, 2023 and December 31, 2022, respectively)	396,804	402,111
Allowance for credit losses	$ 1,537	$ 1,140
Common stock, par value	$ 5	$ 5
Common stock, shares authorized	48,000,000	48,000,000
Common stock, shares issued	31,556,799	31,556,799
Common stock, shares outstanding	29,508,128	29,271,915
Treasury Stock, Common, Shares	2,048,671	2,284,884