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Commitments - Narrative (Details) - USD ($) $ in Millions | 1 Months Ended | 3 Months Ended
--- | --- | ---
Dec. 21, 2012 | Mar. 31, 2016
Altisource [Member] |  |
Other Commitments [Line Items] |  |
Automatic renewal term of support services agreement |  | 1 year
Altisource Residential Lp [Member] |  |
Other Commitments [Line Items] |  |
Term of agreement | 15 years |
Floating Rate Reverse Mortgage Loans [Member] |  |
Other Commitments [Line Items] |  |
Additional borrowing capacity to borrowers |  | $ 986.5
Forward Mortgage Loan Interest Rate Lock Commitments [Member] |  |
Other Commitments [Line Items] |  |
Short-term commitments to lend |  | 471.2
Reverse Mortgage Loan Interest Rate Lock Commitments [Member] |  |
Other Commitments [Line Items] |  |
Short-term commitments to lend |  | $ 9.2

X
- Definition Additional borrowing capacity to borrowers. + References No definition available. + Details
Name: | ocn_AdditionalBorrowingCapacityToBorrowers
Namespace Prefix: | ocn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Automatic renewal term of support services agreement. + References No definition available. + Details
Name: | ocn_AutomaticRenewalTermOfSupportServicesAgreement
Namespace Prefix: | ocn_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Short-term commitments to lend. + References No definition available. + Details
Name: | ocn_ShortTermCommitmentsToLend
Namespace Prefix: | ocn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Represents the term of servicing agreement. + References No definition available. + Details
Name: | ocn_TermOfServicingAgreement
Namespace Prefix: | ocn_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- 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
Name: | us-gaap_OtherCommitmentsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=ocn_AltisourceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=ocn_AltisourceResidentialLpMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=ocn_FloatingRateReverseMortgageLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=ocn_ForwardMortgageLoanInterestRateLockCommitmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=ocn_ReverseMortgageLoanInterestRateLockCommitmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |