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INVESTMENT SECURITIES - Weighted Average Yield (Details) - USD ($) $ in Thousands | Mar. 31, 2024 | Dec. 31, 2023
--- | --- | ---
AFS |  |
Fair value | $ 1,161,008 | $ 1,251,199
Total |  |
AFS |  |
Due within one year, Fair value | $ 16,962 | $ 21,402
Weighted Average Yield, due within one year | 5.00% | 4.64%
Due in one through five years, Fair value | $ 65,543 | $ 69,679
Weighted Average Yield, due after one year through five years | 3.62% | 3.64%
Due after five years through ten years, Fair value | $ 93,106 | $ 89,941
Weighted Average Yield, due after five years through ten years | 3.34% | 3.40%
Due after 10 years, Fair value | $ 330,974 | $ 341,488
Weighted Average Yield, due after ten years | 2.99% | 3.00%
Fair value | $ 506,585 | $ 522,510
Weighted Average Yield, Total | 3.20% | 3.21%
Municipal bonds |  |
AFS |  |
Due within one year, Fair value | $ 0 | $ 0
Weighted Average Yield, due within one year | 0.00% | 0.00%
Due in one through five years, Fair value | $ 5,847 | $ 5,856
Weighted Average Yield, due after one year through five years | 1.84% | 1.84%
Due after five years through ten years, Fair value | $ 64,423 | $ 60,775
Weighted Average Yield, due after five years through ten years | 3.24% | 3.36%
Due after 10 years, Fair value | $ 327,830 | $ 338,243
Weighted Average Yield, due after ten years | 3.00% | 3.01%
Fair value | $ 398,100 | $ 404,874
Weighted Average Yield, Total | 3.02% | 3.04%
HTM |  |
Due within one year, Fair value | $ 0 | $ 0
Weighted Average Yield, due within one year | 0.00% | 0.00%
Due in one through five years, Fair value | $ 2,305 | $ 2,331
Weighted Average Yield, due after one year through five years | 2.28% | 2.29%
Due after five years through ten years, Fair value | $ 0 | $ 0
Weighted Average Yield, due after five years through ten years | 0.00% | 0.00%
Due after ten years, Fair value | $ 0 | $ 0
Weighted Average Yield, due after ten years | 0.00% | 0.00%
Fair Value | $ 2,305 | $ 2,331
Weighted Average Yield, Total | 2.28% | 2.29%
Corporate debt securities |  |
AFS |  |
Due within one year, Fair value | $ 0 | $ 4,425
Weighted Average Yield, due within one year | 0.00% | 3.53%
Due in one through five years, Fair value | $ 13,867 | $ 12,714
Weighted Average Yield, due after one year through five years | 4.87% | 4.95%
Due after five years through ten years, Fair value | $ 21,285 | $ 21,408
Weighted Average Yield, due after five years through ten years | 4.07% | 3.89%
Due after 10 years, Fair value | $ 0 | $ 0
Weighted Average Yield, due after ten years | 0.00% | 0.00%
Fair value | $ 35,152 | $ 38,547
Weighted Average Yield, Total | 4.38% | 4.21%
U.S. Treasury securities |  |
AFS |  |
Due within one year, Fair value | $ 0 | $ 0
Weighted Average Yield, due within one year | 0.00% | 0.00%
Due in one through five years, Fair value | $ 19,896 | $ 20,184
Weighted Average Yield, due after one year through five years | 1.13% | 1.14%
Due after five years through ten years, Fair value | $ 0 | $ 0
Weighted Average Yield, due after five years through ten years | 0.00% | 0.00%
Due after 10 years, Fair value | $ 0 | $ 0
Weighted Average Yield, due after ten years | 0.00% | 0.00%
Fair value | $ 19,896 | $ 20,184
Weighted Average Yield, Total | 1.13% | 1.14%
Agency debentures |  |
AFS |  |
Due within one year, Fair value | $ 16,962 | $ 16,977
Weighted Average Yield, due within one year | 5.00% | 4.93%
Due in one through five years, Fair value | $ 25,933 | $ 30,925
Weighted Average Yield, due after one year through five years | 5.26% | 5.20%
Due after five years through ten years, Fair value | $ 7,398 | $ 7,758
Weighted Average Yield, due after five years through ten years | 2.13% | 2.15%
Due after 10 years, Fair value | $ 3,144 | $ 3,245
Weighted Average Yield, due after ten years | 2.14% | 2.17%
Fair value | $ 53,437 | $ 58,905
Weighted Average Yield, Total | 4.56% | 4.51%

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