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v3.23.2

Investment Securities - Amortized cost and fair value by contractual maturity (Details) - USD ($) $ in Thousands | Jun. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Amortized Cost |  |
Due in one year or less | $ 50,000 |
Due after one year through five years | 51,034 |
Due after five years through ten years | 369,168 |
Due after ten years | 2,114,953 |
Total | 2,585,155 | $ 2,683,241
Fair Value |  |
Due in one year or less | 48,185 |
Due after one year through five years | 45,228 |
Due after five years through ten years | 320,965 |
Due after ten years | 1,730,136 |
Fair Value | 2,144,514 | 2,250,168
Amortized Cost |  |
Due in one year or less | 231,970 |
Due after one year through five years | 301,127 |
Due after five years through ten years | 1,263,193 |
Due after ten years | 4,034,286 |
Amortized Cost | 5,830,576 | 6,216,141
Fair Value |  |
Due in one year or less | 228,385 |
Due after one year through five years | 283,616 |
Due after five years through ten years | 1,075,431 |
Due after ten years | 3,361,902 |
Fair Value | $ 4,949,334 | $ 5,326,822

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