v3.26.1
Regulatory Matters (Schedule of actual capital amounts and ratios) (Details) - Rhinebeck Bank
$ in Thousands
Jun. 30, 2026
USD ($)
Dec. 31, 2025
USD ($)
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]    
Total capital (to risk-weighted assets) Actual Amount $ 153,134 $ 147,671
Total capital (to risk-weighted assets) Actual Ratio 0.1541 0.144
Total capital (to risk-weighted assets) For Capital Adequacy Purposes Amount $ 79,497 $ 82,039
Total capital (to risk-weighted assets) For Capital Adequacy Purposes Ratio 0.08 0.08
Total capital (to risk-weighted assets) To be Well Capitalized under Prompt Corrective Action Provisions Amount $ 99,371 $ 102,549
Total capital (to risk-weighted assets) To be Well Capitalized under Prompt Corrective Action Provisions Ratio 0.10 0.10
Tier 1 capital (to risk-weighted assets) Actual Amount $ 145,219 $ 139,166
Tier 1 capital (to risk-weighted assets) Actual Ratio 0.1461 0.1357
Tier 1 capital (to risk-weighted assets) For Capital Adequacy Purposes Amount $ 59,623 $ 61,529
Tier 1 capital (to risk-weighted assets) For Capital Adequacy Purposes Ratio 0.06 0.06
Tier 1 capital (to risk-weighted assets) To be Well Capitalized under Prompt Corrective Action Provisions Amount $ 79,497 $ 82,039
Tier 1 capital (to risk-weighted assets) To be Well Capitalized under Prompt Corrective Action Provisions Ratio 0.08 0.08
Common equity tier one capital (to risk weighted assets) Actual Amount $ 145,219 $ 139,166
Common equity tier one capital (to risk weighted assets) Actual Ratio 0.1461 0.1357
Common equity tier one capital (to risk weighted assets) For Capital Adequacy Purposes Amount $ 44,717 $ 46,147
Common equity tier one capital (to risk weighted assets) For Capital Adequacy Purposes Ratio 0.045 0.045
Common equity tier one capital (to risk weighted assets) To be Well Capitalized under Prompt Corrective Action Provisions Amount $ 64,591 $ 66,657
Common equity tier one capital (to risk weighted assets) To be Well Capitalized under Prompt Corrective Action Provisions Ratio 0.065 0.065
Tier 1 capital (to average assets) Actual Amount $ 145,219 $ 139,166
Tier 1 capital (to average assets) Actual Ratio 0.1093 0.1062
Tier 1 capital (to average assets) For Capital Adequacy Purposes Amount $ 53,154 $ 52,423
Tier 1 capital (to average assets) For Capital Adequacy Purposes Ratio 0.04 0.04
Tier 1 capital (to average assets) To be Well Capitalized under Prompt Corrective Action Provisions Amount $ 66,443 $ 65,529
Tier 1 capital (to average assets) To be Well Capitalized under Prompt Corrective Action Provisions Ratio 0.05 0.05