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v3.24.3

Investment Securities - Amortized cost and fair value by contractual maturity (Details) - USD ($) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023 | Dec. 31, 2023
Amortized Cost |  |  |  |  |
Due in one year or less | $ 14,365,000 |  | $ 14,365,000 |  |
Due after one year through five years | 36,471,000 |  | 36,471,000 |  |
Due after five years through ten years | 444,858,000 |  | 444,858,000 |  |
Due after ten years | 1,805,613,000 |  | 1,805,613,000 |  |
Total | 2,301,307,000 |  | 2,301,307,000 |  | $ 2,487,440,000
Fair Value |  |  |  |  |
Due in one year or less | 14,222,000 |  | 14,222,000 |  |
Due after one year through five years | 33,648,000 |  | 33,648,000 |  |
Due after five years through ten years | 393,780,000 |  | 393,780,000 |  |
Due after ten years | 1,522,096,000 |  | 1,522,096,000 |  |
Fair Value | 1,963,746,000 |  | 1,963,746,000 |  | 2,084,736,000
Amortized Cost |  |  |  |  |
Due in one year or less | 84,976,000 |  | 84,976,000 |  |
Due after one year through five years | 341,428,000 |  | 341,428,000 |  |
Due after five years through ten years | 1,217,855,000 |  | 1,217,855,000 |  |
Due after ten years | 3,559,939,000 |  | 3,559,939,000 |  |
Amortized Cost | 5,204,198,000 |  | 5,204,198,000 |  | 5,561,006,000
Fair Value |  |  |  |  |
Due in one year or less | 84,297,000 |  | 84,297,000 |  |
Due after one year through five years | 327,521,000 |  | 327,521,000 |  |
Due after five years through ten years | 1,084,899,000 |  | 1,084,899,000 |  |
Due after ten years | 3,067,646,000 |  | 3,067,646,000 |  |
Fair Value | 4,564,363,000 |  | 4,564,363,000 |  | $ 4,784,388,000
Information with respect to sales of held-to-maturity |  |  |  |  |
Proceeds from sales of investment securities held to maturity | 0 | $ 0 | 0 | $ 0 |
Information with respect to sales of available-for-sale securities |  |  |  |  |
Gross gains |  | 1,300,000 |  |  |
Gross losses |  |  |  | (1,300,000) |
Sold securities | 0 |  | 0 |  |
Realized gains or losses | $ 0 | $ 45,000 | $ 0 | $ 45,000 |

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