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
Jun. 30, 2023
Dec. 31, 2022
Available-for-sale securities    
Less Than 12 Months, Fair Value $ 21,570 $ 99,073
Less Than 12 Months, Unrealized Losses 208 4,411
Greater Than 12 Months, Fair Value 326,933 290,012
Greater Than 12 Months, Unrealized Losses 37,859 37,535
Total Fair Value 348,503 389,085
Total Unrealized Losses 38,067 41,946
Held-to-maturity, Debt Securities    
Less Than 12 Months, Fair Value 3,265 266,275
Less Than 12 Months, Unrealized Losses 141 17,832
Greater Than 12 Months, Fair Value 591,723 345,643
Greater Than 12 Months, Unrealized Losses 46,039 30,219
Total Fair Value 594,988 611,918
Total Unrealized Losses 46,180 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 19,271 19,189
Greater Than 12 Months, Unrealized Losses 1,797 1,928
Total Fair Value 19,271 20,172
Total Unrealized Losses 1,797 1,928
Held-to-maturity, Debt Securities    
Less Than 12 Months, Fair Value 0 177,552
Less Than 12 Months, Unrealized Losses 0 11,018
Greater Than 12 Months, Fair Value 432,157 254,181
Greater Than 12 Months, Unrealized Losses 25,365 14,623
Total Fair Value 432,157 431,733
Total Unrealized Losses 25,365 25,641
U.S. Government Agency [Member]    
Available-for-sale securities    
Less Than 12 Months, Fair Value 18,020 63,112
Less Than 12 Months, Unrealized Losses 191 2,572
Greater Than 12 Months, Fair Value 122,553 113,004
Greater Than 12 Months, Unrealized Losses 11,112 10,291
Total Fair Value 140,573 176,116
Total Unrealized Losses 11,303 12,863
States and Political Subdivisions [Member]    
Available-for-sale securities    
Less Than 12 Months, Fair Value 1,559 1,425
Less Than 12 Months, Unrealized Losses 9 2
Greater Than 12 Months, Fair Value 39,325 38,760
Greater Than 12 Months, Unrealized Losses 5,949 6,853
Total Fair Value 40,884 40,185
Total Unrealized Losses 5,958 6,855
Mortgage-Backed Securities [Member]    
Available-for-sale securities    
Less Than 12 Months, Fair Value 24 6,594
Less Than 12 Months, Unrealized Losses 0 959
Greater Than 12 Months, Fair Value 66,016 60,458
Greater Than 12 Months, Unrealized Losses 11,014 10,467
Total Fair Value 66,040 67,052
Total Unrealized Losses 11,014 11,426
Held-to-maturity, Debt Securities    
Less Than 12 Months, Fair Value 3,265 88,723
Less Than 12 Months, Unrealized Losses 141 6,814
Greater Than 12 Months, Fair Value 159,566 91,462
Greater Than 12 Months, Unrealized Losses 20,674 15,596
Total Fair Value 162,831 180,185
Total Unrealized Losses 20,815 22,410
Corporate Debt Securities [Member]    
Available-for-sale securities    
Less Than 12 Months, Fair Value 1,967 26,959
Less Than 12 Months, Unrealized Losses 8 878
Greater Than 12 Months, Fair Value 79,768 58,601
Greater Than 12 Months, Unrealized Losses 7,987 7,996
Total Fair Value 81,735 85,560
Total Unrealized Losses $ 7,995 $ 8,874