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        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001751783</identifier>
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        <period>
            <startDate>2026-03-09</startDate>
            <endDate>2026-03-09</endDate>
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    <context id="offrl_1">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001751783</identifier>
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            <startDate>2026-03-09</startDate>
            <endDate>2026-03-09</endDate>
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    <context id="offrl_2">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001751783</identifier>
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        <period>
            <startDate>2026-03-09</startDate>
            <endDate>2026-03-09</endDate>
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    <unit id="USD">
        <measure>iso4217:USD</measure>
    </unit>
    <unit id="pure">
        <measure>pure</measure>
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    <unit id="Shares">
        <measure>shares</measure>
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    <ffd:FormTp contextRef="rc" id="ixv-355">S-1</ffd:FormTp>
    <ffd:SubmissnTp contextRef="rc" id="ixv-356">S-1</ffd:SubmissnTp>
    <ffd:FeeExhibitTp contextRef="rc" id="ixv-357">EX-FILING FEES</ffd:FeeExhibitTp>
    <dei:EntityCentralIndexKey contextRef="rc" id="ixv-358">0001751783</dei:EntityCentralIndexKey>
    <dei:EntityRegistrantName contextRef="rc" id="ixv-359">Rhinebeck Bancorp, Inc.</dei:EntityRegistrantName>
    <ffd:OfferingTableNa contextRef="rc" id="hiddenrcOfferingTableNa" xsi:nil="true"/>
    <ffd:OffsetTableNa contextRef="rc" id="hiddenrcOffsetTableNa">N/A</ffd:OffsetTableNa>
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    <ffd:FormTp contextRef="rc" id="ixv-396">S-1</ffd:FormTp>
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    <ffd:Rule457aFlg contextRef="offrl_1" id="ixv-401">true</ffd:Rule457aFlg>
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      contextRef="offrl_1"
      decimals="0"
      id="ixv-402"
      unitRef="Shares">15638238</ffd:AmtSctiesRegd>
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      contextRef="offrl_1"
      decimals="2"
      id="ixv-403"
      unitRef="USD">10.00</ffd:MaxOfferingPricPerScty>
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      contextRef="offrl_1"
      decimals="2"
      id="ixv-404"
      unitRef="USD">156382380.00</ffd:MaxAggtOfferingPric>
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      contextRef="offrl_1"
      decimals="7"
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      unitRef="pure">0.0001381</ffd:FeeRate>
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      contextRef="offrl_1"
      decimals="2"
      id="ixv-406"
      unitRef="USD">21596.41</ffd:FeeAmt>
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    <ffd:OfferingSctyTp contextRef="offrl_2" id="ixv-408">Other</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="offrl_2" id="ixv-409">Participation Interests</ffd:OfferingSctyTitl>
    <ffd:FeesOthrRuleFlg contextRef="offrl_2" id="ixv-410">true</ffd:FeesOthrRuleFlg>
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      contextRef="offrl_2"
      decimals="0"
      id="ixv-411"
      unitRef="Shares">3298199</ffd:AmtSctiesRegd>
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      contextRef="offrl_2"
      decimals="7"
      id="ixv-412"
      unitRef="pure">0.0001381</ffd:FeeRate>
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      contextRef="offrl_2"
      decimals="2"
      id="ixv-413"
      unitRef="USD">0.00</ffd:FeeAmt>
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    <ffd:TtlPrevslyPdAmt contextRef="rc" decimals="2" id="ixv-416" unitRef="USD">0.00</ffd:TtlPrevslyPdAmt>
    <ffd:TtlOffsetAmt contextRef="rc" decimals="2" id="ixv-417" unitRef="USD">0.00</ffd:TtlOffsetAmt>
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    <ffd:OfferingNote contextRef="offrl_1" id="ixv-419">Estimated solely for the purpose of calculating the registration fee.</ffd:OfferingNote>
    <ffd:OfferingNote contextRef="offrl_2" id="ixv-420">The securities of Rhinebeck Bancorp, Inc. to be purchased by the Rhinebeck Bank 401(k) Plan are included in the amount shown for common stock. Pursuant to Rule 457(h) of the Securities Act of 1933, as amended, no separate fee is required for the participation interests. Pursuant to such rule, the amount being registered has been calculated on the basis of the number of shares of common stock that may be purchased with the current assets of such plan. </ffd:OfferingNote>
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