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Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Statement of Financial Position [Abstract]
Investment securities held-to-maturity, fair value	$ 111,904	$ 115,007
Investment securities available-for-sale, amortized cost	399,044	402,651
Allowance for credit losses	$ 18	$ 839
Common stock, par value (in dollars per share)	$ 5	$ 5
Common stock, shares authorized (in shares)	48,000,000	48,000,000
Common stock, shares issued (in shares)	31,556,799	31,556,799
Common stock, shares outstanding (in shares)	28,576,346	29,045,877
Treasury stock, shares (in shares)	2,980,453	2,510,922

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