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Sales of Advances and MSRs - Narrative (Details) (USD $) In Billions, unless otherwise specified | 3 Months Ended
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Mar. 31, 2013
Transfers and Servicing of Financial Assets [Abstract] |
Unpaid Principal Balance Of Loans Related To Servicing Assets Sold | $ 15.9

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- Definition Unpaid principal balance of loans related to servicing assets, measured at fair value, that have been conveyed to the third parties. + References No definition available. + Details
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Namespace Prefix: | ocn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration