Mortgage Servicing - Schedule of Components of Servicing and Subservicing Fees (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Transfers and Servicing [Abstract]
Servicing	$ 293,210	$ 453,445	$ 627,678
Subservicing	21,427	58,384	128,797
NRZ	633,545	694,833	736,122
Servicing and Subservicing fees, total	948,182	1,206,662	1,492,597
Home Affordable Modification Program (HAMP) fees	110,367	135,036	141,121
Late charges	66,709	82,690	121,618
Loan collection fees	27,213	31,763	33,983
Custodial accounts (float earnings)	8,969	15,870	6,693
Other	25,180	59,776	98,163
Fees, total	$ 1,186,620	$ 1,531,797	$ 1,894,175

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

No definition available.

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

- 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

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

- Definition

Represents amount related to interest earned on unremitted loan payments held in custodial accounts, are due to the servicer in exchange for servicing the financial asset.

+ References

No definition available.

+ Details

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

- Definition

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

+ References

No definition available.

+ Details

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.

+ References

No definition available.

+ Details

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

- Definition

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

+ References

No definition available.

+ Details

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.

+ References

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

Name:	us-gaap_AncillaryFeeIncomeGeneratedByServicingFinancialAssetsAmount
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.

+ References

+ Details

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

- 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.

+ References

+ Details

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

- 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.

+ References

+ Details

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

- References

No definition available.

+ Details

Name:	us-gaap_TransfersAndServicingAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration