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Investment Securities - Realized Gains and Losses From Sale of Securities (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
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Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Realized Investment Gains (Losses) [Abstract] |  |  |  |
Gross gains | $ 0 | $ 11 | $ 0 | $ 46
Gross losses | (1,930) | (288) | (2,111) | (479)
Proceeds from sales | $ 33,803 | $ 16,462 | $ 42,094 | $ 32,338

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