v3.26.1
Nature of Business Activities and Significant Accounting Policies (Details)
May 01, 2026
shares
Apr. 30, 2026
$ / shares
Mar. 31, 2026
branch
$ / shares
Dec. 31, 2025
$ / shares
New Accounting Pronouncements or Change in Accounting Principle [Line Items]        
Number of branches, more than | branch     77  
Common stock, par value per share (in dollars per share)     $ 0.50 $ 0.50
Linkbancorp Inc | Subsequent Event        
New Accounting Pronouncements or Change in Accounting Principle [Line Items]        
Common stock, par value per share (in dollars per share)   $ 0.01    
Linkbancorp Inc | Subsequent Event        
New Accounting Pronouncements or Change in Accounting Principle [Line Items]        
Common stock portion, number of Burke & Herbert stock for each share of Summit common stock converted (in shares) 0.1350      
Consideration payable (in shares) | shares 5,082,657