v3.25.2
Acquisitions, Evans Bancorp, Inc. (Details)
$ in Thousands, shares in Millions
12 Months Ended
May 02, 2025
USD ($)
Location
shares
Dec. 31, 2024
USD ($)
Location
Jun. 30, 2025
USD ($)
Jun. 30, 2024
USD ($)
Recognized amounts of identifiable assets acquired and (liabilities) assumed [Abstract]        
Goodwill   $ 362,663 $ 454,072 $ 361,851
Evans Bancorp, Inc [Member]        
Acquisition of Evans Bancorp, Inc [Abstract]        
Total consideration $ 221,792      
Assets of the acquiree   $ 2,190,000    
Number of banking locations operated by acquiree | Location 18 18    
Common stock issued (in shares) | shares 5.1      
Consideration [Abstract]        
Cash paid to shareholders (fractional shares) $ 25      
Common stock issuance 221,767      
Total net consideration 221,792      
Recognized amounts of identifiable assets acquired and (liabilities) assumed [Abstract]        
Cash and cash equivalents 40,197      
Securities available for sale 255,487      
Securities held to maturity 3,494      
Loans, net of allowance for credit losses on purchased credit deteriorated loans 1,665,712      
Premises and equipment, net 15,069      
Core deposit intangibles 33,240      
Bank owned life insurance 44,100      
Other assets 70,337      
Total identifiable assets acquired 2,127,636      
Deposits (1,864,049)      
Borrowings (113,712)      
Other liabilities (19,492)      
Total liabilities assumed (1,997,253)      
Total identifiable assets, net 130,383      
Goodwill $ 91,409