Annual report pursuant to Section 13 and 15(d)

INVESTMENT SECURITIES (Schedule of Investment Securities with Continuous Unrealized Loss Position) (Details)

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INVESTMENT SECURITIES (Schedule of Investment Securities with Continuous Unrealized Loss Position) (Details) - USD ($)
$ in Thousands
Dec. 31, 2023
Dec. 31, 2022
Available-for-sale securities    
Less Than 12 Months, Fair Value $ 14,062 $ 99,073
Less Than 12 Months, Unrealized Losses 105 4,411
Greater Than 12 Months, Fair Value 299,519 290,012
Greater Than 12 Months, Unrealized Losses 29,823 37,535
Total Fair Value 313,581 389,085
Total Unrealized Losses 29,928 41,946
Held-to-maturity debt securities    
Less Than 12 Months, Fair Value 154,666 266,275
Less Than 12 Months, Unrealized Losses 3,192 17,832
Greater Than 12 Months, Fair Value 435,592 345,643
Greater Than 12 Months Or Longer, Unrealized Losses 30,092 30,219
Total Fair Value 590,258 611,918
Total Unrealized Losses 33,284 48,051
U.S. Government Treasury [Member]    
Available-for-sale securities    
Less Than 12 Months, Fair Value 0 983
Less Than 12 Months, Unrealized Losses 0 0
Greater Than 12 Months, Fair Value 19,751 19,189
Greater Than 12 Months, Unrealized Losses 1,269 1,928
Total Fair Value 19,751 20,172
Total Unrealized Losses 1,269 1,928
Held-to-maturity debt securities    
Less Than 12 Months, Fair Value 153,880 177,552
Less Than 12 Months, Unrealized Losses 3,178 11,018
Greater Than 12 Months, Fair Value 287,310 254,181
Greater Than 12 Months Or Longer, Unrealized Losses 13,314 14,623
Total Fair Value 441,190 431,733
Total Unrealized Losses 16,492 25,641
U.S. Government Agency [Member]    
Available-for-sale securities    
Less Than 12 Months, Fair Value 12,890 63,112
Less Than 12 Months, Unrealized Losses 74 2,572
Greater Than 12 Months, Fair Value 121,220 113,004
Greater Than 12 Months, Unrealized Losses 7,979 10,291
Total Fair Value 134,110 176,116
Total Unrealized Losses 8,053 12,863
States and Political Subdivisions [Member]    
Available-for-sale securities    
Less Than 12 Months, Fair Value 1,149 1,425
Less Than 12 Months, Unrealized Losses 31 2
Greater Than 12 Months, Fair Value 37,785 38,760
Greater Than 12 Months, Unrealized Losses 4,830 6,853
Total Fair Value 38,934 40,185
Total Unrealized Losses 4,861 6,855
Mortgage-Backed Securities [Member]    
Available-for-sale securities    
Less Than 12 Months, Fair Value 23 6,594
Less Than 12 Months, Unrealized Losses 0 959
Greater Than 12 Months, Fair Value 63,195 60,458
Greater Than 12 Months, Unrealized Losses 9,714 10,467
Total Fair Value 63,218 67,052
Total Unrealized Losses 9,714 11,426
Held-to-maturity debt securities    
Less Than 12 Months, Fair Value 786 88,723
Less Than 12 Months, Unrealized Losses 14 6,814
Greater Than 12 Months, Fair Value 148,282 91,462
Greater Than 12 Months Or Longer, Unrealized Losses 16,778 15,596
Total Fair Value 149,068 180,185
Total Unrealized Losses 16,792 22,410
Corporate Debt Securities [Member]    
Available-for-sale securities    
Less Than 12 Months, Fair Value 0  
Less Than 12 Months, Unrealized Losses 0  
Greater Than 12 Months, Fair Value 57,568  
Greater Than 12 Months, Unrealized Losses 6,031  
Total Fair Value 57,568  
Total Unrealized Losses $ 6,031  
Equity Securities [Member]    
Available-for-sale securities    
Less Than 12 Months, Fair Value   26,959
Less Than 12 Months, Unrealized Losses   878
Greater Than 12 Months, Fair Value   58,601
Greater Than 12 Months, Unrealized Losses   7,996
Total Fair Value   85,560
Total Unrealized Losses   $ 8,874