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DEBT SECURITIES - Maturity of Debt Securities (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Amortized Cost |  |
Due in one year or less | $ 135,698 |
Due after one year through five years | 395,914 |
Due after five years through ten years | 364,065 |
Due after ten years | 1,876,776 |
Amortized Cost | 2,772,453 | $ 4,013,523
Fair Value |  |
Due in one year or less | 133,967 |
Due after one year through five years | 368,754 |
Due after five years through ten years | 330,280 |
Due after ten years | 1,628,392 |
Fair Value | 2,461,393 | 3,981,251
Amortized Cost |  |
Due after one year through five years | 44,392 |
Due after five years through ten years | 64,593 |
Due after ten years | 809,327 |
Amortized Cost | 918,312 | $ 0
Fair Value |  |
Due after one year through five years | 41,483 |
Due after five years through ten years | 57,955 |
Due after ten years | 685,857 |
Fair Value | $ 785,295 |

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