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Regulatory Matters (Schedule of actual capital amounts and ratios) (Details) - Rhinebeck Bank $ in Thousands | Mar. 31, 2023 USD ($) | Dec. 31, 2022 USD ($)
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Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |  |
Total capital (to risk-weighted assets) Actual Amount | $ 141,259 | $ 139,257
Total capital (to risk-weighted assets) Actual Ratio | 0.1216 | 0.1225
Total capital (to risk-weighted assets) For Capital Adequacy Purposes Amount | $ 92,932 | $ 90,980
Total capital (to risk-weighted assets) For Capital Adequacy Purposes Ratio | 0.0800 | 0.0800
Total capital (to risk-weighted assets) To be Well Capitalized under Prompt Corrective Action Provisions Amount | $ 116,165 | $ 113,725
Total capital (to risk-weighted assets) To be Well Capitalized under Prompt Corrective Action Provisions Ratio | 0.1000 | 0.1000
Tier 1 capital (to risk-weighted assets) Actual Amount | $ 131,914 | $ 131,314
Tier 1 capital (to risk-weighted assets) Actual Ratio | 0.1136 | 0.1155
Tier 1 capital (to risk-weighted assets) For Capital Adequacy Purposes Amount | $ 69,699 | $ 68,235
Tier 1 capital (to risk-weighted assets) For Capital Adequacy Purposes Ratio | 0.0600 | 0.0600
Tier 1 capital (to risk-weighted assets) To be Well Capitalized under Prompt Corrective Action Provisions Amount | $ 92,932 | $ 90,980
Tier 1 capital (to risk-weighted assets) To be Well Capitalized under Prompt Corrective Action Provisions Ratio | 0.0800 | 0.0800
Common equity tier one capital (to risk weighted assets) Actual Amount | $ 131,914 | $ 131,314
Common equity tier one capital (to risk weighted assets) Actual Ratio | 0.1136 | 0.1155
Common equity tier one capital (to risk weighted assets) For Capital Adequacy Purposes Amount | $ 52,274 | $ 51,176
Common equity tier one capital (to risk weighted assets) For Capital Adequacy Purposes Ratio | 0.0450 | 0.0450
Common equity tier one capital (to risk weighted assets) To be Well Capitalized under Prompt Corrective Action Provisions Amount | $ 75,508 | $ 73,921
Common equity tier one capital (to risk weighted assets) To be Well Capitalized under Prompt Corrective Action Provisions Ratio | 0.0650 | 0.0650
Tier 1 capital (to average assets) Actual Amount | $ 131,914 | $ 131,314
Tier 1 capital (to average assets) Actual Ratio | 0.0968 | 0.0975
Tier 1 capital (to average assets) For Capital Adequacy Purposes Amount | $ 54,525 | $ 53,868
Tier 1 capital (to average assets) For Capital Adequacy Purposes Ratio | 0.0400 | 0.0400
Tier 1 capital (to average assets) To be Well Capitalized under Prompt Corrective Action Provisions Amount | $ 68,156 | $ 67,335
Tier 1 capital (to average assets) To be Well Capitalized under Prompt Corrective Action Provisions Ratio | 0.0500 | 0.0500

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