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INVESTMENT SECURITIES - Weighted Average Yield (Details) - USD ($) $ in Thousands | Sep. 30, 2021 | Dec. 31, 2020
--- | --- | ---
AFS |  |
Fair value | $ 978,843 | $ 1,072,093
Total |  |
AFS |  |
Due within one year, Fair value | $ 3,826 | $ 4,207
Weighted Average Yield, due within one year | 3.78% | 3.24%
Due in one through five years, Fair value | $ 22,386 | $ 22,037
Weighted Average Yield, due after one year through five years | 3.43% | 3.80%
Due after five years through ten years, Fair value | $ 102,164 | $ 67,476
Weighted Average Yield, due after five years through ten years | 3.28% | 3.45%
Due after 10 years, Fair value | $ 449,266 | $ 488,051
Weighted Average Yield, due after ten years | 3.23% | 3.29%
Fair value | $ 577,642 | $ 581,771
Weighted Average Yield, Total | 3.25% | 3.33%
Municipal bonds |  |
AFS |  |
Due within one year, Fair value | $ 3,826 | $ 4,024
Weighted Average Yield, due within one year | 3.78% | 3.19%
Due in one through five years, Fair value | $ 15,685 | $ 14,978
Weighted Average Yield, due after one year through five years | 3.33% | 3.82%
Due after five years through ten years, Fair value | $ 65,624 | $ 59,496
Weighted Average Yield, due after five years through ten years | 3.68% | 3.26%
Due after 10 years, Fair value | $ 449,266 | $ 486,205
Weighted Average Yield, due after ten years | 3.23% | 3.29%
Fair value | $ 534,401 | $ 564,703
Weighted Average Yield, Total | 3.29% | 3.30%
HTM |  |
Due within one year, Fair value | $ 1,034 | $ 0
Weighted Average Yield, due within one year | 2.50% | 0.00%
Due in one through five years, Fair value | $ 3,315 | $ 4,507
Weighted Average Yield, due after one year through five years | 2.40% | 2.47%
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 | $ 4,349 | $ 4,507
Weighted Average Yield, Total | 2.43% | 2.47%
Corporate debt securities |  |
AFS |  |
Due within one year, Fair value | $ 0 | $ 183
Weighted Average Yield, due within one year | 0.00% | 4.27%
Due in one through five years, Fair value | $ 6,701 | $ 7,059
Weighted Average Yield, due after one year through five years | 3.64% | 3.74%
Due after five years through ten years, Fair value | $ 13,148 | $ 7,980
Weighted Average Yield, due after five years through ten years | 5.06% | 4.78%
Due after 10 years, Fair value | $ 0 | $ 0
Weighted Average Yield, due after ten years | 0.00% | 0.00%
Fair value | $ 19,849 | $ 15,222
Weighted Average Yield, Total | 4.58% | 4.30%
U.S. Treasury securities |  |
AFS |  |
Due within one year, Fair value | $ 0 |
Weighted Average Yield, due within one year | 0.00% |
Due in one through five years, Fair value | $ 0 |
Weighted Average Yield, due after one year through five years | 0.00% |
Due after five years through ten years, Fair value | $ 23,392 |
Weighted Average Yield, due after five years through ten years | 1.28% |
Due after 10 years, Fair value | $ 0 |
Weighted Average Yield, due after ten years | 0.00% |
Fair value | $ 23,392 |
Weighted Average Yield, Total | 1.28% |
Agency debentures |  |
AFS |  |
Due within one year, Fair value |  | $ 0
Weighted Average Yield, due within one year |  | 0.00%
Due in one through five years, Fair value |  | $ 0
Weighted Average Yield, due after one year through five years |  | 0.00%
Due after five years through ten years, Fair value |  | $ 0
Weighted Average Yield, due after five years through ten years |  | 0.00%
Due after 10 years, Fair value |  | $ 1,846
Weighted Average Yield, due after ten years |  | 2.68%
Fair value |  | $ 1,846
Weighted Average Yield, Total |  | 2.68%

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