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INVESTMENT SECURITIES (Unrealized Gains and Losses by Category) (Details) - USD ($) $ in Thousands | Jun. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Securities Available-for-Sale, Fair Value |  |
Less than 12 months | $ 435,812 | $ 875,760
12 months or more | 756,174 | 786,686
Total | 1,191,986 | 1,662,446
Securities Available-for-Sale, Unrealized Loss |  |
Less than 12 months | 4,444 | 15,008
12 months or more | 77,003 | 100,536
Total | 81,447 | 115,544
FNMA and FHLMC certificates |  |
Securities Available-for-Sale, Fair Value |  |
Less than 12 months | 362,460 | 791,987
12 months or more | 555,655 | 579,727
Total | 918,115 | 1,371,714
Securities Available-for-Sale, Unrealized Loss |  |
Less than 12 months | 3,107 | 12,989
12 months or more | 42,804 | 61,462
Total | 45,911 | 74,451
GNMA certificates |  |
Securities Available-for-Sale, Fair Value |  |
Less than 12 months | 73,352 | 83,773
12 months or more | 196,593 | 201,320
Total | 269,945 | 285,093
Securities Available-for-Sale, Unrealized Loss |  |
Less than 12 months | 1,337 | 2,019
12 months or more | 34,127 | 38,945
Total | 35,464 | 40,964
CMOs issued by US Government-sponsored agencies |  |
Securities Available-for-Sale, Fair Value |  |
Less than 12 months | 0 | 0
12 months or more | 3,926 | 5,639
Total | 3,926 | 5,639
Securities Available-for-Sale, Unrealized Loss |  |
Less than 12 months | 0 | 0
12 months or more | 72 | 129
Total | $ 72 | $ 129

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