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SECURITIES - Gross gains and losses realized by the corporation on investment (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
SECURITIES      
Proceeds $ 330 $ 1,565 $ 12,886
Gross gains 1 6 274
Gross losses $ (2) $ (3) $ (160)