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CONSOLIDATED STATEMENTS OF CONDITION (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Statement of Financial Position [Abstract]
Available-for-sale securities, amortized cost	$ 1,407,770	$ 1,391,379
Held-to-maturity debt securities, fair value	$ 282,589	$ 283,860
Common Stock, par value (in dollars per share)	$ 0.10	$ 0.10
Common Stock, authorized (in shares)	25,000,000	25,000,000
Common Stock, issued (in shares)	14,420,973	14,449,845
Treasury stock, shares (in shares)	88,982	104,492

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Face amount or stated value per share of common stock.

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Fair value of investment in debt security measured at amortized cost (held-to-maturity).

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

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