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SECURITIES (Securities Debt Maturities) (Details) - USD ($) $ in Thousands | Mar. 31, 2025 | Dec. 31, 2024
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Investments, Debt and Equity Securities [Abstract] |  |
Available-for-sale Securities, Amortized Cost, Maturing in one year or less | $ 31,383 |
Available-for-sale Securities, Amortized Cost, Maturing after one year through five years | 126,763 |
Available-for-sale Securities, Amortized Cost, Maturing after five years through ten years | 420,099 |
Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year 10 | 1,848,150 |
Debt Securities, Available-for-sale, Amortized Cost | 2,426,395 | $ 2,460,262
Available-for-sale Securities, Fair Value, Maturing in one year or less | 31,084 |
Available-for-sale Securities, Fair Value, Maturing after one year through five years | 121,054 |
Available-for-sale Securities, Fair Value, Maturing after five years through ten years | 390,844 |
Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 10 | 1,565,963 |
Debt Securities, Available-for-sale | 2,108,945 | 2,104,511
Held-to-maturity Securities, Amortized Cost, Maturing in one year or less | 3,647 |
Held-to-maturity Securities, Amortized Cost, Maturing after one year through five years | 19,240 |
Held-to-maturity Securities, Amortized Cost, Maturing after five years through ten years | 31,580 |
Debt Securities, Held-to-Maturity, Amortized Cost, after Allowance for Credit Loss, Maturity, Allocated and Single Maturity Date, after Year 10 | 937,621 |
Held-to-maturity Securities, Amortized Cost | 992,088 | 1,001,861
Held-to-maturity Securities, Fair Value, Maturing in one year or less | 3,496 |
Held-to-maturity Securities, Fair Value, Maturing after one year through five years | 18,864 |
Held-to-maturity Securities, Fair Value, Maturing after five years through ten years | 29,101 |
Debt Securities, Held-to-Maturity, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 10 | 767,800 |
Debt Securities, Held-to-maturity, Fair Value | $ 819,261 | $ 825,528

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