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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 Millions	Sep. 30, 2023	Dec. 31, 2022
Qualitative and Quantitative Information, Transferor's Continuing Involvement [Line Items]
UPB of loans transferred	$ 45,093.6	$ 37,571.1
Maximum exposure to loss	45,854.2	38,171.2
GinnieMae
Qualitative and Quantitative Information, Transferor's Continuing Involvement [Line Items]
UPB of loans transferred	9,700.0	6,800.0
Mortgage Servicing Rights - Fair Value
Qualitative and Quantitative Information, Transferor's Continuing Involvement [Line Items]
Carrying value of assets	698.4	524.3
Advances
Qualitative and Quantitative Information, Transferor's Continuing Involvement [Line Items]
Carrying value of assets	$ 62.3	$ 75.9

X

- 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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Namespace Prefix:	ocn_
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Balance Type:	credit
Period Type:	instant

X

- Definition

Unpaid principal balance of forward loans transferred with servicing rights retained.

+ References

No definition available.

+ Details

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Namespace Prefix:	ocn_
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Period Type:	instant

X

- 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 https://asc.fasb.org/extlink&oid=121570589&loc=d3e107314-111719

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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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