v3.26.1
Tax Status (Details) - Rhinebeck Bank 401(k) Plan
12 Months Ended
Dec. 31, 2025
Tax Status  
EBP, Tax Determination Letter, Obtained [true false] true
Determination letter date Aug. 21, 2017
EBP, Tax Qualification Status [Extensible Enumeration] us-gaap:QualifiedPlanMember