Mortgage Servicing - Schedule of Components of Servicing and Subservicing Fees (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2017	Mar. 31, 2016
Transfers and Servicing [Abstract]
Servicing	$ 67,172	$ 76,509
Subservicing	3,605	7,239
NRZ	147,311	162,129
Servicing and Subservicing fees, total	218,088	245,877
Home Affordable Modification Program (HAMP) fees	20,983	22,618
Late charges	16,784	18,603
Loan collection fees	6,318	7,129
Other	10,329	3,269
Fees, total	$ 272,502	$ 297,496

All amounts that, per contract, are due in exchange for servicing or subservicing the financial asset.

No definition available.

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- Definition

All amounts that, per contract, are due to the subservicer in exchange for subservicing the financial asset and would no longer be received by a subservicer if the owners of the servicing rights were to exercise their authority under the contract to shift the subservicing to another servicer.

+ References

No definition available.

+ Details

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- Definition

Represents loan collection fees paid by the borrower to the servicer for automated payment services.

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No definition available.

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Name:	ocn_LoanCollectionFeesEarnedInExchangeForServicingFinancialAssets
Namespace Prefix:	ocn_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Represents fees related to a specific loan modification program due to the servicer in exchange for servicing the financial asset.

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No definition available.

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- Definition

Servicing fee collected on mortgage servicing rights for which rights have been sold to NRZ.

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No definition available.

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Name:	ocn_ServicingFeeCollectedOnBehalfOfCounterparty
Namespace Prefix:	ocn_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

All amounts that are due to the servicer of a financial asset, excluding contractually specified servicing fees and late fees.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 50
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=68078379&loc=d3e122596-111746

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

All amounts that, per contract, are due to the servicer in exchange for servicing the financial asset and would no longer be received by a servicer if the beneficial owners of the serviced assets (or their trustees or agents) were to exercise their actual or potential authority under the contract to shift the servicing to another servicer. Depending on the servicing contract, those fees may include some or all of the difference between the interest rate collected on the asset being serviced and the rate to be paid to the beneficial owners of the asset.

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+ Details

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- Definition

The total amount of contractually specified servicing fees, late fees, and ancillary fees earned for each period for which results of operations are presented.

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+ Details

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Data Type:	xbrli:monetaryItemType
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- Definition

All amounts that are due to the servicer of a financial asset as a result of the debt holder not meeting the monthly payment terms.

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+ Details

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Namespace Prefix:	us-gaap_
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- References

No definition available.

+ Details

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