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INVESTMENT SECURITIES (Schedule of Securities with Unrealized Losses) (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 USD ($) item | Dec. 31, 2022 USD ($) item
Held-to-maturity Securities |  |
Number of securities of one issuer | item | 0 | 0
Impairment loss | $ 0 | $ 0
Available-for-sale Securities. |  |
Available-for-sale Securities |  |
Less than 12 Months, Estimated Fair Value | 10,873 | 35,528
Less than 12 Months, Unrealized/Unrecognized Losses | (198) | (2,379)
12 months or more, Estimated Fair Value | 380,995 | 387,125
12 months or more, Unrealized/Unrecognized Losses | (78,854) | (86,828)
Total, Estimated Fair Value | 391,868 | 422,653
Total, Unrealized/Unrecognized Losses | (79,052) | (89,207)
Held-to-maturity Securities |  |
Held-to-maturity Securities |  |
Less than 12 Months, Estimated Fair Value |  | 194,848
Less than 12 Months, Unrealized/Unrecognized Losses |  | (23,599)
12 months or more, Estimated Fair Value | 404,252 | 242,442
12 months or more, Unrealized/Unrecognized Losses | (64,608) | (49,536)
Total, Estimated Fair Value | 404,252 | 437,290
Total, Unrealized Losses | (64,608) | (73,135)
U.S. Government agency securities | Available-for-sale Securities. |  |
Available-for-sale Securities |  |
12 months or more, Estimated Fair Value | 61,775 | 59,372
12 months or more, Unrealized/Unrecognized Losses | (6,222) | (8,624)
Total, Estimated Fair Value | 61,775 | 59,372
Total, Unrealized/Unrecognized Losses | (6,222) | (8,624)
U.S. State and Municipal securities | Available-for-sale Securities. |  |
Available-for-sale Securities |  |
Less than 12 Months, Estimated Fair Value |  | 2,546
Less than 12 Months, Unrealized/Unrecognized Losses |  | (527)
12 months or more, Estimated Fair Value | 9,699 | 6,666
12 months or more, Unrealized/Unrecognized Losses | (1,797) | (1,910)
Total, Estimated Fair Value | 9,699 | 9,212
Total, Unrealized/Unrecognized Losses | (1,797) | (2,437)
U.S. State and Municipal securities | Held-to-maturity Securities |  |
Held-to-maturity Securities |  |
Less than 12 Months, Estimated Fair Value |  | 13,205
Less than 12 Months, Unrealized/Unrecognized Losses |  | (2,609)
12 months or more, Estimated Fair Value | 13,995 |
12 months or more, Unrealized/Unrecognized Losses | (1,574) |
Total, Estimated Fair Value | 13,995 | 13,205
Total, Unrealized Losses | (1,574) | (2,609)
Residential MBS | Available-for-sale Securities. |  |
Available-for-sale Securities |  |
Less than 12 Months, Estimated Fair Value |  | 19,576
Less than 12 Months, Unrealized/Unrecognized Losses |  | (1,654)
12 months or more, Estimated Fair Value | 292,970 | 305,936
12 months or more, Unrealized/Unrecognized Losses | (68,609) | (74,075)
Total, Estimated Fair Value | 292,970 | 325,512
Total, Unrealized/Unrecognized Losses | (68,609) | (75,729)
Residential MBS | Held-to-maturity Securities |  |
Held-to-maturity Securities |  |
Less than 12 Months, Estimated Fair Value |  | 162,960
Less than 12 Months, Unrealized/Unrecognized Losses |  | (19,625)
12 months or more, Estimated Fair Value | 354,750 | 226,661
12 months or more, Unrealized/Unrecognized Losses | (60,556) | (47,402)
Total, Estimated Fair Value | 354,750 | 389,621
Total, Unrealized Losses | (60,556) | (67,027)
Commercial MBS | Available-for-sale Securities. |  |
Available-for-sale Securities |  |
Less than 12 Months, Estimated Fair Value | 10,873 | 13,406
Less than 12 Months, Unrealized/Unrecognized Losses | (198) | (198)
12 months or more, Estimated Fair Value | 13,322 | 11,386
12 months or more, Unrealized/Unrecognized Losses | (2,168) | (2,031)
Total, Estimated Fair Value | 24,195 | 24,792
Total, Unrealized/Unrecognized Losses | (2,366) | (2,229)
Commercial MBS | Held-to-maturity Securities |  |
Held-to-maturity Securities |  |
12 months or more, Estimated Fair Value | 7,024 | 6,835
12 months or more, Unrealized/Unrecognized Losses | (1,066) | (1,276)
Total, Estimated Fair Value | 7,024 | 6,835
Total, Unrealized Losses | (1,066) | (1,276)
Asset-backed Securities | Available-for-sale Securities. |  |
Available-for-sale Securities |  |
12 months or more, Estimated Fair Value | 3,229 | 3,765
12 months or more, Unrealized/Unrecognized Losses | (58) | (188)
Total, Estimated Fair Value | 3,229 | 3,765
Total, Unrealized/Unrecognized Losses | (58) | (188)
US Treasury Securities | Held-to-maturity Securities |  |
Held-to-maturity Securities |  |
Less than 12 Months, Estimated Fair Value |  | 18,683
Less than 12 Months, Unrealized/Unrecognized Losses |  | (1,365)
12 months or more, Estimated Fair Value | 28,483 | 8,946
12 months or more, Unrealized/Unrecognized Losses | (1,412) | (858)
Total, Estimated Fair Value | 28,483 | 27,629
Total, Unrealized Losses | $ (1,412) | $ (2,223)

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