<?xml version="1.0" encoding="utf-8"?>
<xbrl
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  xmlns:dei="http://xbrl.sec.gov/dei/2025"
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  xmlns:xlink="http://www.w3.org/1999/xlink">
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        <period>
            <startDate>2026-05-07</startDate>
            <endDate>2026-05-07</endDate>
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    </context>
    <context id="c20260507to20260507_StatementClassOfStockAxis_CommonStockMember">
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        <period>
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            <endDate>2026-05-07</endDate>
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    <context id="c20260507to20260507_StatementClassOfStockAxis_Eight20SeriesACumulativeRedeemablePreferredStock001ParValueMember">
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    <context id="c20260507to20260507_StatementClassOfStockAxis_Eight250SeriesBFixedToFloatingRateCumulativeRedeemableMember">
        <entity>
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        <period>
            <startDate>2026-05-07</startDate>
            <endDate>2026-05-07</endDate>
        </period>
    </context>
    <dei:AmendmentFlag
      contextRef="c20260507to20260507"
      id="Fact_46a71f2e407d4a3295d09ce3590bdd60">false</dei:AmendmentFlag>
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      contextRef="c20260507to20260507"
      id="Fact_b26f04cfb36f4d5ea8b89da9daa34b01">0001571776</dei:EntityCentralIndexKey>
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      contextRef="c20260507to20260507"
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      contextRef="c20260507to20260507"
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    <dei:EntityRegistrantName
      contextRef="c20260507to20260507"
      id="Fact_05026e597f4d441cbfb11a72a2015b08">CHERRY HILL MORTGAGE INVESTMENT CORPORATION</dei:EntityRegistrantName>
    <dei:EntityIncorporationStateCountryCode
      contextRef="c20260507to20260507"
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      contextRef="c20260507to20260507"
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    <dei:EntityAddressAddressLine1
      contextRef="c20260507to20260507"
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    <dei:EntityAddressAddressLine2
      contextRef="c20260507to20260507"
      id="Fact_61f2a32311a1434c9795226b0dda6865">Suite 310</dei:EntityAddressAddressLine2>
    <dei:EntityAddressCityOrTown
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      id="Fact_d178bbe822744f24946d1dc61fdc6f67">Tinton Falls</dei:EntityAddressCityOrTown>
    <dei:EntityAddressStateOrProvince
      contextRef="c20260507to20260507"
      id="Fact_b34d6742e38a4f68a36c5a254c868789">NJ</dei:EntityAddressStateOrProvince>
    <dei:EntityAddressPostalZipCode
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    <dei:CityAreaCode
      contextRef="c20260507to20260507"
      id="Fact_0955686932a4424d8af62e7e19486f7a">877</dei:CityAreaCode>
    <dei:LocalPhoneNumber
      contextRef="c20260507to20260507"
      id="Fact_0bfa19e0a936420daa56d7dcc1a59ab6">870.7005</dei:LocalPhoneNumber>
    <dei:WrittenCommunications
      contextRef="c20260507to20260507"
      id="Fact_d9ade23a9c1e47e6bf6fd3a6423be60a">false</dei:WrittenCommunications>
    <dei:SolicitingMaterial
      contextRef="c20260507to20260507"
      id="Fact_d57775be35ed40deaae36d72d40f3075">false</dei:SolicitingMaterial>
    <dei:PreCommencementTenderOffer
      contextRef="c20260507to20260507"
      id="Fact_166df84da5474e5ea390a00d4c12b7ee">false</dei:PreCommencementTenderOffer>
    <dei:PreCommencementIssuerTenderOffer
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    <dei:EntityEmergingGrowthCompany
      contextRef="c20260507to20260507"
      id="Fact_1f21e71590534ccea86dcd074a1d26fc">false</dei:EntityEmergingGrowthCompany>
    <dei:Security12bTitle
      contextRef="c20260507to20260507_StatementClassOfStockAxis_CommonStockMember"
      id="Fact_ef907932f05647f7a36f8315d88dcc9f">Common Stock, $0.01 par value</dei:Security12bTitle>
    <dei:TradingSymbol
      contextRef="c20260507to20260507_StatementClassOfStockAxis_CommonStockMember"
      id="Fact_2cf833c288dc43d28747160216b2f130">CHMI</dei:TradingSymbol>
    <dei:SecurityExchangeName
      contextRef="c20260507to20260507_StatementClassOfStockAxis_CommonStockMember"
      id="Fact_4764b1642e0d47bdb7bb9112b2b80bd9">NYSE</dei:SecurityExchangeName>
    <dei:Security12bTitle
      contextRef="c20260507to20260507_StatementClassOfStockAxis_Eight20SeriesACumulativeRedeemablePreferredStock001ParValueMember"
      id="Fact_228460672dcf4f6a950be43f21f531c8">8.20% Series A Cumulative Redeemable Preferred Stock, $0.01 par value</dei:Security12bTitle>
    <dei:TradingSymbol
      contextRef="c20260507to20260507_StatementClassOfStockAxis_Eight20SeriesACumulativeRedeemablePreferredStock001ParValueMember"
      id="Fact_3b7b06c17b064a79808ed53861c02f0d">CHMI-PRA</dei:TradingSymbol>
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      contextRef="c20260507to20260507_StatementClassOfStockAxis_Eight20SeriesACumulativeRedeemablePreferredStock001ParValueMember"
      id="Fact_c67b53799b52458abbd57ff5df1a1472">NYSE</dei:SecurityExchangeName>
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      contextRef="c20260507to20260507_StatementClassOfStockAxis_Eight250SeriesBFixedToFloatingRateCumulativeRedeemableMember"
      id="Fact_bbe37dba42a346d58f3d5b394c5d5801">8.250% Series B Fixed-to-Floating Rate Cumulative Redeemable</dei:Security12bTitle>
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      contextRef="c20260507to20260507_StatementClassOfStockAxis_Eight250SeriesBFixedToFloatingRateCumulativeRedeemableMember"
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      contextRef="c20260507to20260507_StatementClassOfStockAxis_Eight250SeriesBFixedToFloatingRateCumulativeRedeemableMember"
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