Quarterly report pursuant to Section 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, 2024
Dec. 31, 2023
Available-for-sale securities    
Less Than 12 Months, Fair Value $ 13,560 $ 14,062
Less Than 12 Months, Unrealized Losses 284 105
Greater Than 12 Months, Fair Value 272,790 299,519
Greater Than 12 Months, Unrealized Losses 20,728 29,823
Total Fair Value 286,350 313,581
Total Unrealized Losses 21,012 29,928
Held-to-maturity, Debt Securities    
Less Than 12 Months, Fair Value 120,515 154,666
Less Than 12 Months, Unrealized Losses 1,067 3,192
Greater Than 12 Months, Fair Value 403,027 435,592
Greater Than 12 Months, Unrealized Losses 18,241 30,092
Total Fair Value 523,542 590,258
Total Unrealized Losses 19,308 33,284
U.S. Government Treasury [Member]    
Available-for-sale securities    
Less Than 12 Months, Fair Value 0 0
Less Than 12 Months, Unrealized Losses 0 0
Greater Than 12 Months, Fair Value 17,490 19,751
Greater Than 12 Months, Unrealized Losses 658 1,269
Total Fair Value 17,490 19,751
Total Unrealized Losses 658 1,269
Held-to-maturity, Debt Securities    
Less Than 12 Months, Fair Value 117,561 153,880
Less Than 12 Months, Unrealized Losses 1,063 3,178
Greater Than 12 Months, Fair Value 272,992 287,310
Greater Than 12 Months, Unrealized Losses 6,361 13,314
Total Fair Value 390,553 441,190
Total Unrealized Losses 7,424 16,492
U.S. Government Agency [Member]    
Available-for-sale securities    
Less Than 12 Months, Fair Value 10,677 12,890
Less Than 12 Months, Unrealized Losses 32 74
Greater Than 12 Months, Fair Value 106,912 121,220
Greater Than 12 Months, Unrealized Losses 4,877 7,979
Total Fair Value 117,589 134,110
Total Unrealized Losses 4,909 8,053
States and Political Subdivisions [Member]    
Available-for-sale securities    
Less Than 12 Months, Fair Value 1,904 1,149
Less Than 12 Months, Unrealized Losses 140 31
Greater Than 12 Months, Fair Value 37,262 37,785
Greater Than 12 Months, Unrealized Losses 3,099 4,830
Total Fair Value 39,166 38,934
Total Unrealized Losses 3,239 4,861
Mortgage-Backed Securities [Member]    
Available-for-sale securities    
Less Than 12 Months, Fair Value 0 23
Less Than 12 Months, Unrealized Losses 0 0
Greater Than 12 Months, Fair Value 59,709 63,195
Greater Than 12 Months, Unrealized Losses 8,274 9,714
Total Fair Value 59,709 63,218
Total Unrealized Losses 8,274 9,714
Held-to-maturity, Debt Securities    
Less Than 12 Months, Fair Value 2,954 786
Less Than 12 Months, Unrealized Losses 4 14
Greater Than 12 Months, Fair Value 130,035 148,282
Greater Than 12 Months, Unrealized Losses 11,880 16,778
Total Fair Value 132,989 149,068
Total Unrealized Losses 11,884 16,792
Corporate Debt Securities [Member]    
Available-for-sale securities    
Less Than 12 Months, Fair Value 979 0
Less Than 12 Months, Unrealized Losses 112 0
Greater Than 12 Months, Fair Value 51,417 57,568
Greater Than 12 Months, Unrealized Losses 3,820 6,031
Total Fair Value 52,396 57,568
Total Unrealized Losses $ 3,932 $ 6,031