v3.26.1
Document and Entity Information
12 Months Ended
Dec. 31, 2025
Document and Entity Information  
Document Type 11-K
Document Period End Date Dec. 31, 2025
Entity Registrant Name Bar Harbor Bankshares
Entity Central Index Key 0000743367
Amendment Flag false
Bar Harbor Bankshares 401(k) Plan  
Document and Entity Information  
Document Type 11-K
Amendment Flag false