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DEBT SECURITIES - Schedule of Maturity of Debt Securities (Details) - USD ($) $ in Thousands | Jun. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Amortized Cost |  |
Due in one year or less | $ 27,262 |
Due after one year through five years | 52,667 |
Due after five years through ten years | 446,705 |
Due after ten years | 1,868,030 |
Amortized Cost | 2,394,664 | $ 2,039,952
Fair Value |  |
Due in one year or less | 27,134 |
Due after one year through five years | 50,135 |
Due after five years through ten years | 431,576 |
Due after ten years | 1,708,943 |
Fair Value | 2,217,788 | 1,810,221
Amortized Cost |  |
Due in one year or less | 16,804 |
Due after one year through five years | 59,889 |
Due after five years through ten years | 14,710 |
Due after ten years | 711,562 |
Amortized Cost | 802,965 | 826,630
Fair Value |  |
Due in one year or less | 16,708 |
Due after one year through five years | 57,757 |
Due after five years through ten years | 13,127 |
Due after ten years | 582,940 |
Fair Value | $ 670,532 | $ 675,053

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