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Consolidated Statements of Condition (Unaudited) (Parenthetical) - USD ($) $ in Thousands | Sep. 30, 2024 | Dec. 31, 2023
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Consolidated Statements of Condition (Unaudited) |  |
Held to maturity, Market value (in dollars) | $ 4,400 | $ 3,400
Available for sale, Amortized cost (in dollars) | $ 5,410,095 | $ 5,330,814
Common shares, par value (in dollars per share) | $ 1.00 | $ 1.00
Common shares, Authorized shares | 275,000,000 | 275,000,000
Common shares, issued shares | 96,602,799 | 96,466,900
Treasury, shares | 34,404,212 | 34,391,184

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