v3.25.2
ACQUISITIONS AND DISPOSITIONS - Narrative (Details)
$ in Millions
12 Months Ended
Dec. 31, 2024
USD ($)
Dec. 06, 2024
bankBranch
Business Combination [Line Items]    
Gain on branch sale | $ $ 20.0  
Sale | Old Second Bancorp, Inc. Branch Sale    
Business Combination [Line Items]    
Number of branches | bankBranch   5