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Securities - Fair Value and Amortized Cost of Securities (Details) - USD ($) $ in Thousands | Jun. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Fair Value |  |
Pledge securities for borrowing availability at the Federal Reserve | $ 849,709 | $ 851,384
Pledge securities for FHLB borrowings | 297,446 | 279,136
Amortized Cost |  |
Pledge securities for borrowing availability at the Federal Reserve | 1,042,168 | 1,032,916
Pledge securities for FHLB borrowings | $ 345,111 | $ 333,613

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