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Investment Securities Narrative (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | May 01, 2022
HTM, at amortized cost | $ 1,267,922 | $ 1,321,256 |  |
Estimated Fair Value | 1,072,207 |  |  |
Proceeds from sales of AFS securities | 213,424 | 196,411 | $ 359,137 |
fair value of AFS securities transferred to HTM |  |  |  | $ 415,200
Amortize value of securities transferred from AFS to HTM |  |  |  | $ 479,000
Collateral Pledged |  |  |  |
Available-for-sale securities pledged as collateral | $ 400,000 | 1,100,000 |  |
State and municipal securities |  |  |  |
HTM, at amortized cost |  | 1,321,256 |  |
Estimated Fair Value |  | $ 1,125,049 |  |

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