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CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
AVAILABLE FOR SALE:
Securities available for sale, amortized cost	$ 1,332,467	$ 1,387,874
Held to maturity
Securities held to maturity, fair value	$ 1,166,162	$ 1,149,156
Stockholders' equity
Common Stock, Par or Stated Value Per Share (in dollars per share)	$ 1.25	$ 1.25
Common Stock, Authorized (in shares)	80,000,000	80,000,000
Common Stock, Issued (in shares)	38,039,706	38,000,822
Treasury Stock, (in shares)	7,790,276	6,454,192

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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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Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

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Number of previously issued common shares repurchased by the issuing entity and held in treasury.

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