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BORROWINGS - Long-term Borrowings (Details)
$ in Millions
Jun. 30, 2023
USD ($)
Federal Home Loan Bank Of Indianapolis Notes One Point Six One Percentage Due January Seven Two Thousand Twenty  
Debt Instrument [Line Items]  
Interest rate 4.21%
FHLB Bullet advance $ 275.0
Federal Home Loan Bank Advances  
Debt Instrument [Line Items]  
Long-term FHLB advances $ 400.0
Interest rate 5.17%