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Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Investment securities:
Available-for-sale, amotized cost	$ 1,257,436	$ 1,363,721
Held-to-maturity, at fair value	$ 2,279	$ 2,286
Stockholders’ equity:
Common stock, par value (in dollars per share)	$ 4	$ 4
Common stock, authorized (in shares)	30,000,000	30,000,000
Common stock, issued (in shares)	24,564,356	24,479,708
Common stock, outstanding (in shares)	23,895,807	23,827,137
Treasury stock (in shares)	668,549	652,571

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Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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