v3.26.3
BUSINESS COMBINATIONS (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Jan. 01, 2026
Nov. 01, 2025
Jun. 23, 2025
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Dec. 31, 2025
Business Combination [Line Items]                
Other Investments       $ 139,535   $ 139,535   $ 129,564
Total liabilities assumed         $ 0   $ 0  
Business Combination, Bargain Purchase, Gain Recognized, Amount       (37) $ 0 (12,118) $ 0  
Westfield Bank                
Business Combination [Line Items]                
Cash consideration   $ 260,000 $ 260,000          
Business Combination, Consideration Transferred, Equity Interest   64,450 $ 64,400          
Total purchase consideration   324,450            
Cash   72,711            
Business Combination, Recognized Asset Acquired, Available for sale Securities   301,007            
Other Investments   25,491            
Loans, net of ACL   1,571,298            
Premises and equipment   6,026            
Intangible Assets   1,105            
Business Combination, Recognized Asset Acquired, Other Asset, Current   103,524            
Total assets acquired   2,128,227            
Business Combinations, Deposits   1,790,442            
Long-term borrowings   1,920            
Business Combinations, FHLB advances   80,000            
Other liabilities   23,695            
Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed, Liabilities, Excluding Earn Out   1,896,057            
Total liabilities assumed       87   87    
Net identifiable assets   232,170            
Goodwill   92,280            
Westfield Bank | Core deposits                
Business Combination [Line Items]                
Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Finite-Lived   $ 47,065            
BankFinancial                
Business Combination [Line Items]                
Cash consideration $ 6              
Business Combination, Consideration Transferred, Equity Interest 149,648              
Total purchase consideration 149,654              
Cash 12,724              
Other Short-Term Investments 493,646              
Business Combination, Recognized Asset Acquired, Available for sale Securities 138,332              
Other Investments 7,500              
Loans, net of ACL 264,098              
Premises and equipment 22,123              
Intangible Assets 295              
Business Combination, Recognized Asset Acquired, Other Asset, Current 28,954              
Total assets acquired 1,413,632              
Business Combinations, Deposits 1,209,437              
Long-term borrowings 17,936              
Business Combinations, FHLB advances 10,048              
Other liabilities 14,439              
Total liabilities assumed 1,251,860     1,251,860   1,251,860    
Net identifiable assets 161,772              
Business Combination, Bargain Purchase, Gain Recognized, Amount (12,118)         (12,118)    
Goodwill       $ 5,700   $ 21,500    
BankFinancial | Disposal Group, Held-for-Sale or Disposed of by Sale, Not Discontinued Operations                
Business Combination [Line Items]                
Loans, net of ACL 412,968              
BankFinancial | Core deposits                
Business Combination [Line Items]                
Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Finite-Lived $ 32,992