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INVESTMENT SECURITIES (Amortized Cost and Estimated Fair Value of Investment Securities) (Details) - USD ($) $ in Thousands | Jun. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Amortized Cost |  |
Due in one year or less | $ 1,361 |
Due after one year through five years | 53,764 |
Due after five years through ten years | 63,131 |
Due after ten years | 124,669 |
Amortized Cost | 791,122 | $ 754,950
Fair Value |  |
Due in one year or less | 1,357 |
Due after one year through five years | 49,405 |
Due after five years through ten years | 60,566 |
Due after ten years | 95,341 |
Fair Value | $ 676,719 | 647,210
Weighted Average Yield |  |
Due in one year or less (in percent) | 2.67% |
Due after one year through five years (in percent) | 2.74% |
Due after five years through ten years (in percent) | 4.00% |
Due after ten years (in percent) | 2.44% |
Weighted Average Yield | 2.63% |
Amortized Cost |  |
Due after ten years | $ 42,002 |
Amortized Cost | 615,867 | 632,338
Fair Value |  |
Due after ten years | 33,864 |
Total held-to-maturity securities | $ 528,088 | 565,178
Weighted Average Yield |  |
Due after ten years (in percent) | 2.26% |
Total held-to-maturity securities | 1.94% |
Residential - U.S. government-sponsored entities and agencies |  |
Amortized Cost |  |
Without single maturity date | $ 416,128 |
Amortized Cost | 416,128 | 441,898
Fair Value |  |
Without single maturity date | 353,954 |
Fair Value | $ 353,954 | 378,386
Weighted Average Yield |  |
Without single maturity date (in percent) | 2.21% |
Amortized Cost |  |
Without single maturity date | $ 573,865 |
Amortized Cost | 573,865 | 590,379
Fair Value |  |
Without single maturity date | 494,224 |
Total held-to-maturity securities | $ 494,224 | 529,925
Weighted Average Yield |  |
Without single maturity date (in percent) | 1.92% |
Residential - Non-government agencies |  |
Amortized Cost |  |
Without single maturity date | $ 18,454 |
Amortized Cost | 18,454 | 19,322
Fair Value |  |
Without single maturity date | 17,448 |
Fair Value | $ 17,448 | 18,708
Weighted Average Yield |  |
Without single maturity date (in percent) | 4.56% |
Commercial - U.S. government-sponsored entities and agencies |  |
Amortized Cost |  |
Without single maturity date | $ 98,346 |
Amortized Cost | 98,346 | 58,318
Fair Value |  |
Without single maturity date | 83,512 |
Fair Value | $ 83,512 | 50,914
Weighted Average Yield |  |
Without single maturity date (in percent) | 2.75% |
Commercial - Non-government agencies |  |
Amortized Cost |  |
Without single maturity date | $ 15,269 |
Amortized Cost | 15,269 | 15,144
Fair Value |  |
Without single maturity date | 15,136 |
Fair Value | $ 15,136 | $ 14,956
Weighted Average Yield |  |
Without single maturity date (in percent) | 5.07% |

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