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
Mar. 31, 2025
Dec. 31, 2024
Available-for-sale securities    
Less Than 12 Months, Fair Value $ 66,506 $ 120,393
Less Than 12 Months, Unrealized Losses 251 915
Greater Than 12 Months, Fair Value 254,084 255,786
Greater Than 12 Months, Unrealized Losses 20,952 24,770
Total Fair Value 320,590 376,179
Total Unrealized Losses 21,203 25,685
Held-to-maturity, Debt Securities    
Less Than 12 Months, Fair Value 57,699 58,230
Less Than 12 Months, Unrealized Losses 342 1,000
Greater Than 12 Months, Fair Value 417,575 480,882
Greater Than 12 Months, Unrealized Losses 16,723 21,711
Total Fair Value 475,274 539,112
Total Unrealized Losses 17,065 22,711
U.S. Government Treasury [Member]    
Available-for-sale securities    
Less Than 12 Months, Fair Value 15,895 81,363
Less Than 12 Months, Unrealized Losses 8 318
Greater Than 12 Months, Fair Value 14,648 14,510
Greater Than 12 Months, Unrealized Losses 461 616
Total Fair Value 30,543 95,873
Total Unrealized Losses 469 934
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 302,174 361,529
Greater Than 12 Months, Unrealized Losses 4,245 6,476
Total Fair Value 302,174 361,529
Total Unrealized Losses 4,245 6,476
U.S. Government Agency [Member]    
Available-for-sale securities    
Less Than 12 Months, Fair Value 47,557 33,155
Less Than 12 Months, Unrealized Losses 149 184
Greater Than 12 Months, Fair Value 97,046 100,844
Greater Than 12 Months, Unrealized Losses 4,101 5,394
Total Fair Value 144,603 133,999
Total Unrealized Losses 4,250 5,578
States and Political Subdivisions [Member]    
Available-for-sale securities    
Less Than 12 Months, Fair Value 844 2,728
Less Than 12 Months, Unrealized Losses 3 164
Greater Than 12 Months, Fair Value 37,887 36,654
Greater Than 12 Months, Unrealized Losses 3,149 3,663
Total Fair Value 38,731 39,382
Total Unrealized Losses 3,152 3,827
Mortgage-Backed Securities [Member]    
Available-for-sale securities    
Less Than 12 Months, Fair Value 51 54
Less Than 12 Months, Unrealized Losses 0 0
Greater Than 12 Months, Fair Value 54,884 55,409
Greater Than 12 Months, Unrealized Losses 9,634 10,902
Total Fair Value 54,935 55,463
Total Unrealized Losses 9,634 10,902
Held-to-maturity, Debt Securities    
Less Than 12 Months, Fair Value 57,699 58,230
Less Than 12 Months, Unrealized Losses 342 1,000
Greater Than 12 Months, Fair Value 115,401 119,353
Greater Than 12 Months, Unrealized Losses 12,478 15,235
Total Fair Value 173,100 177,583
Total Unrealized Losses 12,820 16,235
Corporate Debt Securities [Member]    
Available-for-sale securities    
Less Than 12 Months, Fair Value 2,159 3,093
Less Than 12 Months, Unrealized Losses 91 249
Greater Than 12 Months, Fair Value 49,619 48,369
Greater Than 12 Months, Unrealized Losses 3,607 4,195
Total Fair Value 51,778 51,462
Total Unrealized Losses $ 3,698 $ 4,444