Name:	ocn_FairValueMeasurementWithUnobservableInputsReconciliationAssetTransfersOutofLevel3ToLoansHeldForSaleAtFairValue
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Fair value measurement with unobservable inputs reconciliation asset transfers out of level3 to receivables.

No definition available.

Name:	ocn_FairValueMeasurementWithUnobservableInputsReconciliationAssetTransfersOutofLevel3ToReceivables
Namespace Prefix:	ocn_
Data Type:	xbrli:monetaryItemType
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This represents the amount of transfers of financial instrument classified as an asset out of level 3 of the fair value hierarchy to loans held for sale at fair value.

No definition available.

Name:	ocn_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersToLoansHeldForSaleAtFairValue
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Data Type:	xbrli:monetaryItemType
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This represents the amount of transfers of financial instrument classified as an asset out of level 3 of the fair value hierarchy to receivables, net.

No definition available.

Name:	ocn_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersToReceivablesNet
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Data Type:	xbrli:monetaryItemType
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-- None. No documentation exists for this element. --

No definition available.

Name:	ocn_PurchasesIssuancesSalesAndSettlementsAbstract
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Data Type:	xbrli:stringItemType
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-- None. No documentation exists for this element. --

No definition available.

Name:	ocn_TotalRealizedAndUnrealizedGainsAndLosses2Abstract
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Data Type:	xbrli:stringItemType
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Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4A
-Subparagraph (b)(1)
-URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5618551-113959

Name:	us-gaap_DerivativeGainLossOnDerivativeNet
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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

No definition available.

Name:	us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward
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Data Type:	xbrli:stringItemType
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Amount of gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3).

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
-URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258

Name:	us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1
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Data Type:	xbrli:monetaryItemType
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Amount of issuances of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)
-URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258

Name:	us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssues
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Data Type:	xbrli:monetaryItemType
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Amount of purchases of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

Name:	us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases
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Data Type:	xbrli:monetaryItemType
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Amount of purchases, (sales), issuances and (settlements) of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

Name:	us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchasesSalesIssuancesSettlements
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Amount of sale of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

Name:	us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
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Period Type:	duration

Amount of settlement of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

Name:	us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
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Period Type:	duration

Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258

Name:	us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
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Data Type:	xbrli:monetaryItemType
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Name:	us-gaap_FinancialInstrumentAxis=us-gaap_InterestRateLockCommitmentsMember
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Name:	us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
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Name:	us-gaap_InvestmentTypeAxis=ocn_FinancingLiabilityMortgageServicingRightsPledgedMember
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Name:	us-gaap_FairValueByLiabilityClassAxis=ocn_LoansHeldforInvestmentSecuritizationTrustsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_FairValueByLiabilityClassAxis=ocn_FinancingLiabilityOwedtoSecuritizationInvestorsMember
Namespace Prefix:
Data Type:	na
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Period Type:

Name:	us-gaap_FairValueByLiabilityClassAxis=ocn_LoansHeldForSaleFairValueMember
Namespace Prefix:
Data Type:	na
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Name:	us-gaap_FairValueByLiabilityClassAxis=ocn_FinancingLiabilityExcessServicingSpreadMember
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