Securitizations and Variable Interests Entities - Schedule of Carrying Amounts of Assets that Relate to Continuing Involvement with Transferred Forward Loans (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
Qualitative and Quantitative Information, Transferor's Continuing Involvement [Line Items]
UPB of loans transferred	$ 64,876.2	$ 49,641.2
Maximum exposure to loss (2)	65,974.0	50,505.0
Ginnie Mae
Qualitative and Quantitative Information, Transferor's Continuing Involvement [Line Items]
UPB of loans transferred	17,500.0	11,700.0
Mortgage Servicing Rights
Qualitative and Quantitative Information, Transferor's Continuing Involvement [Line Items]
Carrying value of assets	978.2	734.2
Advances
Qualitative and Quantitative Information, Transferor's Continuing Involvement [Line Items]
Carrying value of assets	$ 119.6	$ 129.6

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.

No definition available.

+ Details

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Namespace Prefix:	ocn_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

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

+ References

No definition available.

+ Details

Name:	ocn_UnpaidPrincipalBalanceOfLoansTransferred
Namespace Prefix:	ocn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- 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

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- 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

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 860
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (a)(3)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481326/860-20-50-4

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 860
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (a)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481326/860-20-50-4

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 860
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (a)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481326/860-20-50-4

+ Details

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Period Type:	duration

- Details

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Namespace Prefix:
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Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancialInstrumentAxis=ocn_MortgageServicingRightsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
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