<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.22.2.2</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>1117</ContextCount>
  <ElementCount>759</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>false</FootnotesReported>
  <SegmentCount>287</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>9</UnitCount>
  <MyReports>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>00090 - Document - Document and Entity Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DocumentDocumentAndEntityInformation</Role>
      <ShortName>Document and Entity Information</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>00100 - Statement - CONSOLIDATED BALANCE SHEETS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/StatementConsolidatedBalanceSheets</Role>
      <ShortName>CONSOLIDATED BALANCE SHEETS</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>00105 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/StatementConsolidatedBalanceSheetsParenthetical</Role>
      <ShortName>CONSOLIDATED BALANCE SHEETS (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>00200 - Statement - CONSOLIDATED STATEMENTS OF INCOME</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/StatementConsolidatedStatementsOfIncome</Role>
      <ShortName>CONSOLIDATED STATEMENTS OF INCOME</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>4</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>00205 - Statement - CONSOLIDATED STATEMENTS OF INCOME (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/StatementConsolidatedStatementsOfIncomeParenthetical</Role>
      <ShortName>CONSOLIDATED STATEMENTS OF INCOME (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>5</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>00300 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/StatementConsolidatedStatementsOfComprehensiveIncome</Role>
      <ShortName>CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>6</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>00400 - Statement - CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/StatementConsolidatedStatementsOfChangesInEquity</Role>
      <ShortName>CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>7</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>00405 - Statement - CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/StatementConsolidatedStatementsOfChangesInEquityParenthetical</Role>
      <ShortName>CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>8</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>00500 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/StatementConsolidatedStatementsOfCashFlows</Role>
      <ShortName>CONSOLIDATED STATEMENTS OF CASH FLOWS</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>00505 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/StatementConsolidatedStatementsOfCashFlowsParenthetical</Role>
      <ShortName>CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>10</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>10101 - Disclosure - Organization</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureOrganization</Role>
      <ShortName>Organization</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>11</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>10201 - Disclosure - Basis of Presentation</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureBasisOfPresentation</Role>
      <ShortName>Basis of Presentation</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>12</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>10301 - Disclosure - Summary of Significant Accounting Policies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureSummaryOfSignificantAccountingPolicies</Role>
      <ShortName>Summary of Significant Accounting Policies</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>13</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>10401 - Disclosure - Recent Accounting Pronouncements</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureRecentAccountingPronouncements</Role>
      <ShortName>Recent Accounting Pronouncements</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>14</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>10501 - Disclosure - Business Combinations</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureBusinessCombinations</Role>
      <ShortName>Business Combinations</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>15</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>10601 - Disclosure - Loans and Allowance for Credit Losses</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureLoansAndAllowanceForCreditLosses</Role>
      <ShortName>Loans and Allowance for Credit Losses</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>16</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>10701 - Disclosure - Fair Value Measurements</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureFairValueMeasurements</Role>
      <ShortName>Fair Value Measurements</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>17</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>10801 - Disclosure - Investments Held to Maturity</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureInvestmentsHeldToMaturity</Role>
      <ShortName>Investments Held to Maturity</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>18</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>10901 - Disclosure - Servicing Rights</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureServicingRights</Role>
      <ShortName>Servicing Rights</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>19</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>11001 - Disclosure - Residential mortgage banking activities and variable expenses on residential mortgage banking activities</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureResidentialMortgageBankingActivitiesAndVariableExpensesOnResidentialMortgageBankingActivities</Role>
      <ShortName>Residential mortgage banking activities and variable expenses on residential mortgage banking activities</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>20</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>11101 - Disclosure - Secured Borrowings</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureSecuredBorrowings</Role>
      <ShortName>Secured Borrowings</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>21</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>11201 - Disclosure - Senior secured notes, convertible notes, and corporate debt, net</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureSeniorSecuredNotesConvertibleNotesAndCorporateDebtNet</Role>
      <ShortName>Senior secured notes, convertible notes, and corporate debt, net</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>22</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>11301 - Disclosure - Guaranteed loan financing</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureGuaranteedLoanFinancing</Role>
      <ShortName>Guaranteed loan financing</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>23</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>11401 - Disclosure - Variable interest entities and securitization activities</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureVariableInterestEntitiesAndSecuritizationActivities</Role>
      <ShortName>Variable interest entities and securitization activities</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>24</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>11501 - Disclosure - Interest income and interest expense</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureInterestIncomeAndInterestExpense</Role>
      <ShortName>Interest income and interest expense</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>25</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>11601 - Disclosure - Derivative instruments</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureDerivativeInstruments</Role>
      <ShortName>Derivative instruments</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>26</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>11701 - Disclosure - Real estate owned, held for sale</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureRealEstateOwnedHeldForSale</Role>
      <ShortName>Real estate owned, held for sale</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>27</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>11801 - Disclosure - Agreements and transactions with related parties</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureAgreementsAndTransactionsWithRelatedParties</Role>
      <ShortName>Agreements and transactions with related parties</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>28</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>11901 - Disclosure - Other assets and other liabilities</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureOtherAssetsAndOtherLiabilities</Role>
      <ShortName>Other assets and other liabilities</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>29</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>12001 - Disclosure - Other income and operating expenses</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureOtherIncomeAndOperatingExpenses</Role>
      <ShortName>Other income and operating expenses</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>30</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>12101 - Disclosure - Redeemable Preferred Stock and Stockholders Equity</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureRedeemablePreferredStockAndStockholdersEquity</Role>
      <ShortName>Redeemable Preferred Stock and Stockholders Equity</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>31</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>12201 - Disclosure - Earnings per Share of Common Stock</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureEarningsPerShareOfCommonStock</Role>
      <ShortName>Earnings per Share of Common Stock</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>32</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>12301 - Disclosure - Offsetting assets and liabilities</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureOffsettingAssetsAndLiabilities</Role>
      <ShortName>Offsetting assets and liabilities</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>33</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>12401 - Disclosure - Financial Instruments with off-balance sheet risk, credit risk, and certain other risks</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureFinancialInstrumentsWithOffBalanceSheetRiskCreditRiskAndCertainOtherRisks</Role>
      <ShortName>Financial Instruments with off-balance sheet risk, credit risk, and certain other risks</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>34</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>12501 - Disclosure - Commitments, Contingencies and Indemnifications</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureCommitmentsContingenciesAndIndemnifications</Role>
      <ShortName>Commitments, Contingencies and Indemnifications</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>35</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>12601 - Disclosure - Income Taxes</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureIncomeTaxes</Role>
      <ShortName>Income Taxes</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>36</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>12701 - Disclosure - Segment Reporting</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureSegmentReporting</Role>
      <ShortName>Segment Reporting</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>37</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>12801 - Disclosure - Subsequent Events</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureSubsequentEvents</Role>
      <ShortName>Subsequent Events</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>38</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>20302 - Disclosure - Summary of Significant Accounting Policies (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureSummaryOfSignificantAccountingPoliciesPolicies</Role>
      <ShortName>Summary of Significant Accounting Policies (Policies)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <ParentRole>http://www.sutherlandam.com/role/DisclosureSummaryOfSignificantAccountingPolicies</ParentRole>
      <Position>39</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R40.htm</HtmlFileName>
      <LongName>30503 - Disclosure - Business Combinations (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureBusinessCombinationsTables</Role>
      <ShortName>Business Combinations (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.sutherlandam.com/role/DisclosureBusinessCombinations</ParentRole>
      <Position>40</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R41.htm</HtmlFileName>
      <LongName>30603 - Disclosure - Loans and Allowance for Credit Losses (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureLoansAndAllowanceForCreditLossesTables</Role>
      <ShortName>Loans and Allowance for Credit Losses (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.sutherlandam.com/role/DisclosureLoansAndAllowanceForCreditLosses</ParentRole>
      <Position>41</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R42.htm</HtmlFileName>
      <LongName>30703 - Disclosure - Fair Value Measurements (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureFairValueMeasurementsTables</Role>
      <ShortName>Fair Value Measurements (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.sutherlandam.com/role/DisclosureFairValueMeasurements</ParentRole>
      <Position>42</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R43.htm</HtmlFileName>
      <LongName>30803 - Disclosure - Investments Held to Maturity (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureInvestmentsHeldToMaturityTables</Role>
      <ShortName>Investments Held to Maturity (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.sutherlandam.com/role/DisclosureInvestmentsHeldToMaturity</ParentRole>
      <Position>43</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R44.htm</HtmlFileName>
      <LongName>30903 - Disclosure - Servicing rights (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureServicingRightsTables</Role>
      <ShortName>Servicing rights (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <Position>44</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R45.htm</HtmlFileName>
      <LongName>31003 - Disclosure - Residential mortgage banking activities and variable expenses on residential mortgage banking activities (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureResidentialMortgageBankingActivitiesAndVariableExpensesOnResidentialMortgageBankingActivitiesTables</Role>
      <ShortName>Residential mortgage banking activities and variable expenses on residential mortgage banking activities (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.sutherlandam.com/role/DisclosureResidentialMortgageBankingActivitiesAndVariableExpensesOnResidentialMortgageBankingActivities</ParentRole>
      <Position>45</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R46.htm</HtmlFileName>
      <LongName>31103 - Disclosure - Secured Borrowings (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureSecuredBorrowingsTables</Role>
      <ShortName>Secured Borrowings (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.sutherlandam.com/role/DisclosureSecuredBorrowings</ParentRole>
      <Position>46</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R47.htm</HtmlFileName>
      <LongName>31203 - Disclosure - Senior secured notes, convertible notes, and corporate debt, net (Tables)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureSeniorSecuredNotesConvertibleNotesAndCorporateDebtNetTables</Role>
      <ShortName>Senior secured notes, convertible notes, and corporate debt, net (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.sutherlandam.com/role/DisclosureSeniorSecuredNotesConvertibleNotesAndCorporateDebtNet</ParentRole>
      <Position>47</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R48.htm</HtmlFileName>
      <LongName>31303 - Disclosure - Guaranteed loan financing (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureGuaranteedLoanFinancingTables</Role>
      <ShortName>Guaranteed loan financing (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.sutherlandam.com/role/DisclosureGuaranteedLoanFinancing</ParentRole>
      <Position>48</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R49.htm</HtmlFileName>
      <LongName>31403 - Disclosure - Variable interest entities and securitization activities (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureVariableInterestEntitiesAndSecuritizationActivitiesTables</Role>
      <ShortName>Variable interest entities and securitization activities (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.sutherlandam.com/role/DisclosureVariableInterestEntitiesAndSecuritizationActivities</ParentRole>
      <Position>49</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R50.htm</HtmlFileName>
      <LongName>31503 - Disclosure - Interest income and interest expense (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureInterestIncomeAndInterestExpenseTables</Role>
      <ShortName>Interest income and interest expense (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.sutherlandam.com/role/DisclosureInterestIncomeAndInterestExpense</ParentRole>
      <Position>50</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R51.htm</HtmlFileName>
      <LongName>31603 - Disclosure - Derivative instruments (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureDerivativeInstrumentsTables</Role>
      <ShortName>Derivative instruments (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.sutherlandam.com/role/DisclosureDerivativeInstruments</ParentRole>
      <Position>51</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R52.htm</HtmlFileName>
      <LongName>31703 - Disclosure - Real estate owned, held for sale (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureRealEstateOwnedHeldForSaleTables</Role>
      <ShortName>Real estate owned, held for sale (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.sutherlandam.com/role/DisclosureRealEstateOwnedHeldForSale</ParentRole>
      <Position>52</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R53.htm</HtmlFileName>
      <LongName>31803 - Disclosure - Agreements and transactions with related parties (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureAgreementsAndTransactionsWithRelatedPartiesTables</Role>
      <ShortName>Agreements and transactions with related parties (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.sutherlandam.com/role/DisclosureAgreementsAndTransactionsWithRelatedParties</ParentRole>
      <Position>53</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R54.htm</HtmlFileName>
      <LongName>31903 - Disclosure - Other assets and other liabilities (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureOtherAssetsAndOtherLiabilitiesTables</Role>
      <ShortName>Other assets and other liabilities (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.sutherlandam.com/role/DisclosureOtherAssetsAndOtherLiabilities</ParentRole>
      <Position>54</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R55.htm</HtmlFileName>
      <LongName>32003 - Disclosure - Other income and operating expenses (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureOtherIncomeAndOperatingExpensesTables</Role>
      <ShortName>Other income and operating expenses (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.sutherlandam.com/role/DisclosureOtherIncomeAndOperatingExpenses</ParentRole>
      <Position>55</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R56.htm</HtmlFileName>
      <LongName>32103 - Disclosure - Redeemable Preferred Stock and Stockholders Equity (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureRedeemablePreferredStockAndStockholdersEquityTables</Role>
      <ShortName>Redeemable Preferred Stock and Stockholders Equity (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.sutherlandam.com/role/DisclosureRedeemablePreferredStockAndStockholdersEquity</ParentRole>
      <Position>56</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R57.htm</HtmlFileName>
      <LongName>32203 - Disclosure - Earnings per Share of Common Stock (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureEarningsPerShareOfCommonStockTables</Role>
      <ShortName>Earnings per Share of Common Stock (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.sutherlandam.com/role/DisclosureEarningsPerShareOfCommonStock</ParentRole>
      <Position>57</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R58.htm</HtmlFileName>
      <LongName>32303 - Disclosure - Offsetting assets and liabilities (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureOffsettingAssetsAndLiabilitiesTables</Role>
      <ShortName>Offsetting assets and liabilities (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.sutherlandam.com/role/DisclosureOffsettingAssetsAndLiabilities</ParentRole>
      <Position>58</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R59.htm</HtmlFileName>
      <LongName>32503 - Disclosure - Commitments, Contingencies and Indemnifications (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureCommitmentsContingenciesAndIndemnificationsTables</Role>
      <ShortName>Commitments, Contingencies and Indemnifications (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.sutherlandam.com/role/DisclosureCommitmentsContingenciesAndIndemnifications</ParentRole>
      <Position>59</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R60.htm</HtmlFileName>
      <LongName>32703 - Disclosure - Segment Reporting (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureSegmentReportingTables</Role>
      <ShortName>Segment Reporting (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.sutherlandam.com/role/DisclosureSegmentReporting</ParentRole>
      <Position>60</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R61.htm</HtmlFileName>
      <LongName>40101 - Disclosure - Organization (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureOrganizationDetails</Role>
      <ShortName>Organization (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.sutherlandam.com/role/DisclosureOrganization</ParentRole>
      <Position>61</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R62.htm</HtmlFileName>
      <LongName>40102 - Disclosure - Organization - Acquisitions (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureOrganizationAcquisitionsDetails</Role>
      <ShortName>Organization - Acquisitions (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>62</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R63.htm</HtmlFileName>
      <LongName>40301 - Disclosure - Summary of Significant Accounting Policies (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureSummaryOfSignificantAccountingPoliciesDetails</Role>
      <ShortName>Summary of Significant Accounting Policies (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.sutherlandam.com/role/DisclosureSummaryOfSignificantAccountingPoliciesPolicies</ParentRole>
      <Position>63</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R64.htm</HtmlFileName>
      <LongName>40501 - Disclosure - Business Combinations - Mosaic Acquisition (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureBusinessCombinationsMosaicAcquisitionDetails</Role>
      <ShortName>Business Combinations - Mosaic Acquisition (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>64</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R65.htm</HtmlFileName>
      <LongName>40502 - Disclosure - Business Combinations - Red Stone Acquisition (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureBusinessCombinationsRedStoneAcquisitionDetails</Role>
      <ShortName>Business Combinations - Red Stone Acquisition (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>65</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R66.htm</HtmlFileName>
      <LongName>40503 - Disclosure - Business Combinations - ANH Merger (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureBusinessCombinationsAnhMergerDetails</Role>
      <ShortName>Business Combinations - ANH Merger (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>66</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R67.htm</HtmlFileName>
      <LongName>40504 - Disclosure - Business Combinations - ANH Aggregate Consideration Transferred (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureBusinessCombinationsAnhAggregateConsiderationTransferredDetails</Role>
      <ShortName>Business Combinations - ANH Aggregate Consideration Transferred (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>67</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R68.htm</HtmlFileName>
      <LongName>40505 - Disclosure - Business Combinations - Pro-forma Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureBusinessCombinationsProFormaInformationDetails</Role>
      <ShortName>Business Combinations - Pro-forma Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>68</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R69.htm</HtmlFileName>
      <LongName>40601 - Disclosure - Loans and Allowance for Credit Losses - Classification, unpaid principal balance, and carrying value (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureLoansAndAllowanceForCreditLossesClassificationUnpaidPrincipalBalanceAndCarryingValueDetails</Role>
      <ShortName>Loans and Allowance for Credit Losses - Classification, unpaid principal balance, and carrying value (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>69</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R70.htm</HtmlFileName>
      <LongName>40602 - Disclosure - Loans and Allowance for Credit Losses - Loan Vintage (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureLoansAndAllowanceForCreditLossesLoanVintageDetails</Role>
      <ShortName>Loans and Allowance for Credit Losses - Loan Vintage (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>70</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R71.htm</HtmlFileName>
      <LongName>40603 - Disclosure - Loans and Allowance for Credit Losses - Delinquency (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureLoansAndAllowanceForCreditLossesDelinquencyDetails</Role>
      <ShortName>Loans and Allowance for Credit Losses - Delinquency (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>71</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R72.htm</HtmlFileName>
      <LongName>40604 - Disclosure - Loans and Allowance for Credit Losses - Credit Quality (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureLoansAndAllowanceForCreditLossesCreditQualityDetails</Role>
      <ShortName>Loans and Allowance for Credit Losses - Credit Quality (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>72</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R73.htm</HtmlFileName>
      <LongName>40605 - Disclosure - Loans and Allowance for Credit Losses - Geographic and Collateral Concentration (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureLoansAndAllowanceForCreditLossesGeographicAndCollateralConcentrationDetails</Role>
      <ShortName>Loans and Allowance for Credit Losses - Geographic and Collateral Concentration (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>73</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R74.htm</HtmlFileName>
      <LongName>40606 - Disclosure - Loans and Allowance for Credit Losses - Allowance for loan losses by loan product and impairment methodology (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureLoansAndAllowanceForCreditLossesAllowanceForLoanLossesByLoanProductAndImpairmentMethodologyDetails</Role>
      <ShortName>Loans and Allowance for Credit Losses - Allowance for loan losses by loan product and impairment methodology (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>74</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R75.htm</HtmlFileName>
      <LongName>40607 - Disclosure - Loans and Allowance for Credit Losses - Investment Loans Allowance Activity (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureLoansAndAllowanceForCreditLossesInvestmentLoansAllowanceActivityDetails</Role>
      <ShortName>Loans and Allowance for Credit Losses - Investment Loans Allowance Activity (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>75</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R76.htm</HtmlFileName>
      <LongName>40608 - Disclosure - Loans and Allowance for Credit Losses - Non-accrual Loans (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureLoansAndAllowanceForCreditLossesNonAccrualLoansDetails</Role>
      <ShortName>Loans and Allowance for Credit Losses - Non-accrual Loans (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>76</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R77.htm</HtmlFileName>
      <LongName>40609 - Disclosure - Loans and Allowance for Credit Losses - TDR Accrual Status (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureLoansAndAllowanceForCreditLossesTdrAccrualStatusDetails</Role>
      <ShortName>Loans and Allowance for Credit Losses - TDR Accrual Status (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>77</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R78.htm</HtmlFileName>
      <LongName>40610 - Disclosure - Loans and Allowance for Credit Losses - TDR Activity (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureLoansAndAllowanceForCreditLossesTdrActivityDetails</Role>
      <ShortName>Loans and Allowance for Credit Losses - TDR Activity (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>78</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R79.htm</HtmlFileName>
      <LongName>40611 - Disclosure - Loans and Allowance for Credit Losses - PCD Activity (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureLoansAndAllowanceForCreditLossesPcdActivityDetails</Role>
      <ShortName>Loans and Allowance for Credit Losses - PCD Activity (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>79</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R80.htm</HtmlFileName>
      <LongName>40701 - Disclosure - Fair Value Measurements - Financial Instruments Carried at Fair Value on Recurring Basis (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureFairValueMeasurementsFinancialInstrumentsCarriedAtFairValueOnRecurringBasisDetails</Role>
      <ShortName>Fair Value Measurements - Financial Instruments Carried at Fair Value on Recurring Basis (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>80</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R81.htm</HtmlFileName>
      <LongName>40702 - Disclosure - Fair Value Measurements - Valuation and Inputs, at FV (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureFairValueMeasurementsValuationAndInputsAtFvDetails</Role>
      <ShortName>Fair Value Measurements - Valuation and Inputs, at FV (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>81</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R82.htm</HtmlFileName>
      <LongName>40703 - Disclosure - Fair Value Measurements - Changes in Fair Value (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureFairValueMeasurementsChangesInFairValueDetails</Role>
      <ShortName>Fair Value Measurements - Changes in Fair Value (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>82</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R83.htm</HtmlFileName>
      <LongName>40704 - Disclosure - Fair Value Measurements - Assets and Liabilities, Not at FV (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureFairValueMeasurementsAssetsAndLiabilitiesNotAtFvDetails</Role>
      <ShortName>Fair Value Measurements - Assets and Liabilities, Not at FV (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>83</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R84.htm</HtmlFileName>
      <LongName>40801 - Disclosure - Investments Held to Maturity (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureInvestmentsHeldToMaturityDetails</Role>
      <ShortName>Investments Held to Maturity (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.sutherlandam.com/role/DisclosureInvestmentsHeldToMaturityTables</ParentRole>
      <Position>84</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R85.htm</HtmlFileName>
      <LongName>40901 - Disclosure - Servicing rights (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureServicingRightsDetails</Role>
      <ShortName>Servicing rights (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.sutherlandam.com/role/DisclosureServicingRightsTables</ParentRole>
      <Position>85</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R86.htm</HtmlFileName>
      <LongName>40902 - Disclosure - Servicing rights - Estimated valuation (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureServicingRightsEstimatedValuationDetails</Role>
      <ShortName>Servicing rights - Estimated valuation (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>86</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R87.htm</HtmlFileName>
      <LongName>40903 - Disclosure - Servicing rights - Assumptions (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureServicingRightsAssumptionsDetails</Role>
      <ShortName>Servicing rights - Assumptions (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>87</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R88.htm</HtmlFileName>
      <LongName>40904 - Disclosure - Servicing rights - Amortization (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureServicingRightsAmortizationDetails</Role>
      <ShortName>Servicing rights - Amortization (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>88</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R89.htm</HtmlFileName>
      <LongName>40905 - Disclosure - Servicing rights - Residential mortgage servicing rights (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureServicingRightsResidentialMortgageServicingRightsDetails</Role>
      <ShortName>Servicing rights - Residential mortgage servicing rights (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>89</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R90.htm</HtmlFileName>
      <LongName>41001 - Disclosure - Residential mortgage banking activities and variable expenses on residential mortgage banking activities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureResidentialMortgageBankingActivitiesAndVariableExpensesOnResidentialMortgageBankingActivitiesDetails</Role>
      <ShortName>Residential mortgage banking activities and variable expenses on residential mortgage banking activities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.sutherlandam.com/role/DisclosureResidentialMortgageBankingActivitiesAndVariableExpensesOnResidentialMortgageBankingActivitiesTables</ParentRole>
      <Position>90</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R91.htm</HtmlFileName>
      <LongName>41101 - Disclosure - Secured Borrowings (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureSecuredBorrowingsDetails</Role>
      <ShortName>Secured Borrowings (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.sutherlandam.com/role/DisclosureSecuredBorrowingsTables</ParentRole>
      <Position>91</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R92.htm</HtmlFileName>
      <LongName>41102 - Disclosure - Secured Borrowings - Collateral Pledged (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureSecuredBorrowingsCollateralPledgedDetails</Role>
      <ShortName>Secured Borrowings - Collateral Pledged (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>92</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R93.htm</HtmlFileName>
      <LongName>41201 - Disclosure - Senior secured notes, convertible notes, and corporate debt, net (Details)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureSeniorSecuredNotesConvertibleNotesAndCorporateDebtNetDetails</Role>
      <ShortName>Senior secured notes, convertible notes, and corporate debt, net (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.sutherlandam.com/role/DisclosureSeniorSecuredNotesConvertibleNotesAndCorporateDebtNetTables</ParentRole>
      <Position>93</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R94.htm</HtmlFileName>
      <LongName>41301 - Disclosure - Guaranteed Loan Financing (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureGuaranteedLoanFinancingDetails</Role>
      <ShortName>Guaranteed Loan Financing (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>94</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R95.htm</HtmlFileName>
      <LongName>41302 - Disclosure - Guaranteed Loan Financing - Maturities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureGuaranteedLoanFinancingMaturitiesDetails</Role>
      <ShortName>Guaranteed Loan Financing - Maturities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>95</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R96.htm</HtmlFileName>
      <LongName>41401 - Disclosure - Variable interest entities and securitization activities - Securitized Debt Obligations (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureVariableInterestEntitiesAndSecuritizationActivitiesSecuritizedDebtObligationsDetails</Role>
      <ShortName>Variable interest entities and securitization activities - Securitized Debt Obligations (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>96</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R97.htm</HtmlFileName>
      <LongName>41402 - Disclosure - Variable interest entities and securitization activities - Consolidated VIE Assets and Liabilities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureVariableInterestEntitiesAndSecuritizationActivitiesConsolidatedVieAssetsAndLiabilitiesDetails</Role>
      <ShortName>Variable interest entities and securitization activities - Consolidated VIE Assets and Liabilities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>97</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R98.htm</HtmlFileName>
      <LongName>41403 - Disclosure - Variable interest entities and securitization activities - Assets of Unconsolidated VIEs (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureVariableInterestEntitiesAndSecuritizationActivitiesAssetsOfUnconsolidatedViesDetails</Role>
      <ShortName>Variable interest entities and securitization activities - Assets of Unconsolidated VIEs (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>98</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R99.htm</HtmlFileName>
      <LongName>41501 - Disclosure - Interest income and interest expense (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureInterestIncomeAndInterestExpenseDetails</Role>
      <ShortName>Interest income and interest expense (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.sutherlandam.com/role/DisclosureInterestIncomeAndInterestExpenseTables</ParentRole>
      <Position>99</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R100.htm</HtmlFileName>
      <LongName>41601 - Disclosure - Derivative instruments (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureDerivativeInstrumentsDetails</Role>
      <ShortName>Derivative instruments (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.sutherlandam.com/role/DisclosureDerivativeInstrumentsTables</ParentRole>
      <Position>100</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R101.htm</HtmlFileName>
      <LongName>41701 - Disclosure - Real estate owned, held for sale (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureRealEstateOwnedHeldForSaleDetails</Role>
      <ShortName>Real estate owned, held for sale (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.sutherlandam.com/role/DisclosureRealEstateOwnedHeldForSaleTables</ParentRole>
      <Position>101</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R102.htm</HtmlFileName>
      <LongName>41801 - Disclosure - Agreements and transactions with related parties (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureAgreementsAndTransactionsWithRelatedPartiesDetails</Role>
      <ShortName>Agreements and transactions with related parties (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.sutherlandam.com/role/DisclosureAgreementsAndTransactionsWithRelatedPartiesTables</ParentRole>
      <Position>102</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R103.htm</HtmlFileName>
      <LongName>41901 - Disclosure - Other assets and other liabilities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureOtherAssetsAndOtherLiabilitiesDetails</Role>
      <ShortName>Other assets and other liabilities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.sutherlandam.com/role/DisclosureOtherAssetsAndOtherLiabilitiesTables</ParentRole>
      <Position>103</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R104.htm</HtmlFileName>
      <LongName>41902 - Disclosure - Other Asset and Other Liabilities - Intangible assets (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureOtherAssetAndOtherLiabilitiesIntangibleAssetsDetails</Role>
      <ShortName>Other Asset and Other Liabilities - Intangible assets (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>104</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R105.htm</HtmlFileName>
      <LongName>42001 - Disclosure - Other income and operating expenses - Paycheck Protection Program (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureOtherIncomeAndOperatingExpensesPaycheckProtectionProgramDetails</Role>
      <ShortName>Other income and operating expenses - Paycheck Protection Program (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>105</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R106.htm</HtmlFileName>
      <LongName>42002 - Disclosure - Other income and operating expenses - Balance Sheet Impact of PPP Activities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureOtherIncomeAndOperatingExpensesBalanceSheetImpactOfPppActivitiesDetails</Role>
      <ShortName>Other income and operating expenses - Balance Sheet Impact of PPP Activities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>106</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R107.htm</HtmlFileName>
      <LongName>42003 - Disclosure - Other income and operating expenses - Income and Expenses Related to Activities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureOtherIncomeAndOperatingExpensesIncomeAndExpensesRelatedToActivitiesDetails</Role>
      <ShortName>Other income and operating expenses - Income and Expenses Related to Activities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>107</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R108.htm</HtmlFileName>
      <LongName>42004 - Disclosure - Other income and operating expenses - Components of Other Income and Expense (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureOtherIncomeAndOperatingExpensesComponentsOfOtherIncomeAndExpenseDetails</Role>
      <ShortName>Other income and operating expenses - Components of Other Income and Expense (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>108</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R109.htm</HtmlFileName>
      <LongName>42101 - Disclosure - Redeemable Preferred Stock and Stockholders Equity - Common Stock Dividends (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureRedeemablePreferredStockAndStockholdersEquityCommonStockDividendsDetails</Role>
      <ShortName>Redeemable Preferred Stock and Stockholders Equity - Common Stock Dividends (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>109</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R110.htm</HtmlFileName>
      <LongName>42102 - Disclosure - Redeemable Preferred Stock and Stockholders Equity - RSU and RSA activity (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureRedeemablePreferredStockAndStockholdersEquityRsuAndRsaActivityDetails</Role>
      <ShortName>Redeemable Preferred Stock and Stockholders Equity - RSU and RSA activity (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>110</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R111.htm</HtmlFileName>
      <LongName>42103 - Disclosure - Redeemable Preferred Stock and Stockholders Equity - Performance-based Equity Awards (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureRedeemablePreferredStockAndStockholdersEquityPerformanceBasedEquityAwardsDetails</Role>
      <ShortName>Redeemable Preferred Stock and Stockholders Equity - Performance-based Equity Awards (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>111</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R112.htm</HtmlFileName>
      <LongName>42104 - Disclosure - Redeemable Preferred Stock and Stockholders Equity - Preferred Stock (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureRedeemablePreferredStockAndStockholdersEquityPreferredStockDetails</Role>
      <ShortName>Redeemable Preferred Stock and Stockholders Equity - Preferred Stock (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>112</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R113.htm</HtmlFileName>
      <LongName>42105 - Disclosure - Redeemable Preferred Stock and Stockholders Equity - Equity ATM Program (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureRedeemablePreferredStockAndStockholdersEquityEquityAtmProgramDetails</Role>
      <ShortName>Redeemable Preferred Stock and Stockholders Equity - Equity ATM Program (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>113</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R114.htm</HtmlFileName>
      <LongName>42201 - Disclosure - Earnings per Share of Common Stock (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureEarningsPerShareOfCommonStockDetails</Role>
      <ShortName>Earnings per Share of Common Stock (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.sutherlandam.com/role/DisclosureEarningsPerShareOfCommonStockTables</ParentRole>
      <Position>114</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R115.htm</HtmlFileName>
      <LongName>42202 - Disclosure - Earnings per Common Share - Operating Partnership Units (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureEarningsPerCommonShareOperatingPartnershipUnitsDetails</Role>
      <ShortName>Earnings per Common Share - Operating Partnership Units (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>115</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R116.htm</HtmlFileName>
      <LongName>42301 - Disclosure - Offsetting assets and liabilities - Assets (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureOffsettingAssetsAndLiabilitiesAssetsDetails</Role>
      <ShortName>Offsetting assets and liabilities - Assets (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>116</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R117.htm</HtmlFileName>
      <LongName>42302 - Disclosure - Offsetting assets and liabilities - Liabilities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureOffsettingAssetsAndLiabilitiesLiabilitiesDetails</Role>
      <ShortName>Offsetting assets and liabilities - Liabilities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>117</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R118.htm</HtmlFileName>
      <LongName>42501 - Disclosure - Commitments, Contingencies and Indemnifications (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureCommitmentsContingenciesAndIndemnificationsDetails</Role>
      <ShortName>Commitments, Contingencies and Indemnifications (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.sutherlandam.com/role/DisclosureCommitmentsContingenciesAndIndemnificationsTables</ParentRole>
      <Position>118</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R119.htm</HtmlFileName>
      <LongName>42601 - Disclosure - Income Taxes (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureIncomeTaxesDetails</Role>
      <ShortName>Income Taxes (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.sutherlandam.com/role/DisclosureIncomeTaxes</ParentRole>
      <Position>119</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R120.htm</HtmlFileName>
      <LongName>42701 - Disclosure - Segment Reporting (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureSegmentReportingDetails</Role>
      <ShortName>Segment Reporting (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.sutherlandam.com/role/DisclosureSegmentReportingTables</ParentRole>
      <Position>120</Position>
    </Report>
    <Report instance="rc-20220930x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R121.htm</HtmlFileName>
      <LongName>42801 - Disclosure - Subsequent Events (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.sutherlandam.com/role/DisclosureSubsequentEventsDetails</Role>
      <ShortName>Subsequent Events (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.sutherlandam.com/role/DisclosureSubsequentEvents</ParentRole>
      <Position>121</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <Logs>
    <Log type="Warning">[ix-0514-Hidden-Fact-Eligible-For-Transform] WARN: 19 fact(s) appearing in ix:hidden were eligible for transformation: dei:DocumentQuarterlyReport, dei:DocumentTransitionReport, rc:DebtInstrumentConvertibleThresholdConsecutiveTradingDaysProductOfConversionRateAndMarketPrice, rc:NumberOfTaxableYearsUnableToQualifyAsRealEstateInvestmentTrustAfterQualificationLapse, rc:RelatedPartyTransactionCoreEarningsPeriod, rc:RelatedPartyTransactionIndependentDirectorVotesRequiredForApprovalPercentage, rc:RelatedPartyTransactionPeriodForMinimumCoreEarningsThresholdMeasurement, us-gaap:CommonStockDividendsPerShareCashPaid, us-gaap:CommonStockSharesIssued, us-gaap:CommonStockSharesOutstanding, us-gaap:PreferredStockRedemptionPricePerShare, us-gaap:PreferredStockSharesIssued -  rc-20220930x10q.htm 9</Log>
    <Log type="Warning">[ix-0514-Hidden-Fact-Not-Referenced] WARN: 4 fact(s) appearing in ix:hidden were not referenced by any -sec-ix-hidden style property: us-gaap:CommitmentsAndContingencies, us-gaap:OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList -  rc-20220930x10q.htm 9</Log>
  </Logs>
  <InputFiles>
    <File doctype="10-Q" original="rc-20220930x10q.htm">rc-20220930x10q.htm</File>
    <File>rc-20220930.xsd</File>
    <File>rc-20220930_cal.xml</File>
    <File>rc-20220930_def.xml</File>
    <File>rc-20220930_lab.xml</File>
    <File>rc-20220930_pre.xml</File>
    <File>rc-20220930xex31d1.htm</File>
    <File>rc-20220930xex31d2.htm</File>
    <File>rc-20220930xex32d1.htm</File>
    <File>rc-20220930xex32d2.htm</File>
  </InputFiles>
  <SupplementalFiles/>
  <BaseTaxonomies>
    <BaseTaxonomy items="3">http://fasb.org/srt/2022</BaseTaxonomy>
    <BaseTaxonomy items="2745">http://fasb.org/us-gaap/2022</BaseTaxonomy>
    <BaseTaxonomy items="44">http://xbrl.sec.gov/dei/2022</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
