Quarterly report [Sections 13 or 15(d)]

INVESTMENT SECURITIES (Unrealized Losses on Investment Securities) (Details)

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INVESTMENT SECURITIES (Unrealized Losses on Investment Securities) (Details) - USD ($)
$ in Thousands
Sep. 30, 2025
Dec. 31, 2024
Available-for-sale securities    
Less Than 12 Months, Fair Value $ 85,250 $ 120,393
Less Than 12 Months, Unrealized Losses 623 915
Greater Than 12 Months, Fair Value 222,817 255,786
Greater Than 12 Months, Unrealized Losses 15,993 24,770
Total Fair Value 308,067 376,179
Total Unrealized Losses 16,616 25,685
Held-to-maturity, Debt Securities    
Less Than 12 Months, Fair Value 17,694 58,230
Less Than 12 Months, Unrealized Losses 93 1,000
Greater Than 12 Months, Fair Value 282,368 480,882
Greater Than 12 Months, Unrealized Losses 11,066 21,711
Total Fair Value 300,062 539,112
Total Unrealized Losses 11,159 22,711
U.S. Government Treasury [Member]    
Available-for-sale securities    
Less Than 12 Months, Fair Value 14,604 81,363
Less Than 12 Months, Unrealized Losses 43 318
Greater Than 12 Months, Fair Value 11,832 14,510
Greater Than 12 Months, Unrealized Losses 240 616
Total Fair Value 26,436 95,873
Total Unrealized Losses 283 934
Held-to-maturity, Debt Securities    
Less Than 12 Months, Fair Value 0 0
Less Than 12 Months, Unrealized Losses 0 0
Greater Than 12 Months, Fair Value 169,264 361,529
Greater Than 12 Months, Unrealized Losses 1,348 6,476
Total Fair Value 169,264 361,529
Total Unrealized Losses 1,348 6,476
U.S. Government Agency [Member]    
Available-for-sale securities    
Less Than 12 Months, Fair Value 68,734 33,155
Less Than 12 Months, Unrealized Losses 456 184
Greater Than 12 Months, Fair Value 82,855 100,844
Greater Than 12 Months, Unrealized Losses 2,692 5,394
Total Fair Value 151,589 133,999
Total Unrealized Losses 3,148 5,578
States and Political Subdivisions [Member]    
Available-for-sale securities    
Less Than 12 Months, Fair Value 1,876 2,728
Less Than 12 Months, Unrealized Losses 124 164
Greater Than 12 Months, Fair Value 31,747 36,654
Greater Than 12 Months, Unrealized Losses 2,195 3,663
Total Fair Value 33,623 39,382
Total Unrealized Losses 2,319 3,827
Mortgage-Backed Securities [Member]    
Available-for-sale securities    
Less Than 12 Months, Fair Value 36 54
Less Than 12 Months, Unrealized Losses 0 0
Greater Than 12 Months, Fair Value 52,861 55,409
Greater Than 12 Months, Unrealized Losses 8,286 10,902
Total Fair Value 52,897 55,463
Total Unrealized Losses 8,286 10,902
Held-to-maturity, Debt Securities    
Less Than 12 Months, Fair Value 17,694 58,230
Less Than 12 Months, Unrealized Losses 93 1,000
Greater Than 12 Months, Fair Value 113,104 119,353
Greater Than 12 Months, Unrealized Losses 9,718 15,235
Total Fair Value 130,798 177,583
Total Unrealized Losses 9,811 16,235
Corporate Debt Securities [Member]    
Available-for-sale securities    
Less Than 12 Months, Fair Value 0 3,093
Less Than 12 Months, Unrealized Losses 0 249
Greater Than 12 Months, Fair Value 43,522 48,369
Greater Than 12 Months, Unrealized Losses 2,580 4,195
Total Fair Value 43,522 51,462
Total Unrealized Losses $ 2,580 $ 4,444