v3.25.3
BUSINESS COMBINATION - Additional Information (Details)
$ / shares in Units, $ in Thousands
3 Months Ended 9 Months Ended
Jun. 23, 2025
USD ($)
shares
Feb. 29, 2024
USD ($)
Sep. 30, 2025
USD ($)
numberOfOffices
$ / shares
Sep. 30, 2024
USD ($)
Sep. 30, 2025
USD ($)
numberOfOffices
$ / shares
Sep. 30, 2024
USD ($)
Dec. 31, 2024
USD ($)
Business Combination [Line Items]              
Assets     $ 18,554,506   $ 18,554,506   $ 18,570,261
Net loans and leases     11,552,635   11,552,635   11,604,987
Deposits     14,433,448   14,433,448   $ 14,329,138
Cash consideration         0 $ 96,887  
Business Combination, Recognized Liability Assumed, Liability     0 $ 2,702 0 2,702  
Westfield Bank              
Business Combination [Line Items]              
Assets     2,100,000   2,100,000    
Net loans and leases     1,700,000   1,700,000    
Deposits     $ 1,800,000   $ 1,800,000    
Number of banking offices | numberOfOffices     7   7    
Business Combination, Consideration Transferred, Equity Interest, Share Issued, Number of Shares | shares 2,753,094            
Business Combination, Consideration Transferred, Equity Interest $ 64,400            
Cash consideration 260,000            
Business Combination, Price of Acquisition, Expected $ 324,400            
Agile Premium Finance              
Business Combination [Line Items]              
Cash consideration   $ 96,887          
Payments for Merger Related Costs     $ 0 $ 0 $ 100 $ 200  
Business Combination, Recognized Asset Acquired, Asset   97,801          
Business Combination, Recognized Liability Assumed, Liability   2,702          
Goodwill   $ 1,788          
BankFinancial              
Business Combination [Line Items]              
Assets     1,500,000   1,500,000    
Net loans and leases     759,800   759,800    
Deposits     $ 1,200,000   $ 1,200,000    
Number of banking offices | numberOfOffices     18   18    
Common Stock, Par or Stated Value Per Share | $ / shares     $ 0.48   $ 0.48