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v3.23.1

Securities - Amortized cost and fair value by contractual maturity (Details) - USD ($) $ in Thousands | Mar. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Amortized Cost |  |
Due after one year through five years | $ 101,073 |
Due after five years through ten years | 382,261 |
Due after ten years | 2,153,339 |
Total | 2,636,673 | $ 2,683,241
Fair Value |  |
Due after one year through five years | 94,058 |
Due after five years through ten years | 337,412 |
Due after ten years | 1,796,142 |
Fair Value | 2,227,612 | 2,250,168
Amortized Cost |  |
Due in one year or less | 254,326 |
Due after one year through five years | 309,053 |
Due after five years through ten years | 1,148,155 |
Due after ten years | 4,264,967 |
Amortized Cost | 5,976,501 | 6,216,141
Fair Value |  |
Due in one year or less | 250,191 |
Due after one year through five years | 295,225 |
Due after five years through ten years | 1,001,653 |
Due after ten years | 3,612,930 |
Fair Value | $ 5,159,999 | $ 5,326,822

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