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Securitizations and Variable Interest Entities - Schedule of Assets That Relate to Continuing Involvement with Transferred Financial Assets with Servicing Rights and Maximum Exposure to Loss Including the Unpaid Principal Balance (Details) - USD ($) $ in Thousands | Sep. 30, 2021 | Dec. 31, 2020
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Qualitative and Quantitative Information, Transferor's Continuing Involvement [Line Items] |  |
UPB of loans transferred | $ 26,724,676 | $ 18,062,856
Maximum exposure to loss | 27,139,831 | 18,343,246
GinnieMae |  |
Qualitative and Quantitative Information, Transferor's Continuing Involvement [Line Items] |  |
UPB of loans transferred | 5,300,000 | 4,100,000
Mortgage Servicing Rights - Fair Value |  |
Qualitative and Quantitative Information, Transferor's Continuing Involvement [Line Items] |  |
Carrying value of assets | 281,161 | 137,029
Advances and Match Funded Advances |  |
Qualitative and Quantitative Information, Transferor's Continuing Involvement [Line Items] |  |
Carrying value of assets | $ 133,994 | $ 143,361

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- Definition Maximum exposure to loss related to continuing involvement with forward loans that have been transferred with servicing rights retained as well as standard representations and warranties obligations. + References No definition available. + Details
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- Definition Unpaid principal balance of forward loans transferred with servicing rights retained. + References No definition available. + Details
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- Definition The carrying amount (fair value) as of the balance sheet date of the transferor's interests in transferred financial assets (typically securitized receivables, generally not involved in the collection of principal) following transfer of significant portions of such financial instruments to other parties. Such interests could be ancillary cash flows and interest-only strips. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=121570589&loc=d3e107314-111719 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Details
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