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Receivables - Schedule of Receivables (Footnote) (Detail) - USD ($) $ in Millions | Jun. 30, 2017 | Dec. 31, 2016
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Receivables [Abstract] |  |
Servicing receivables, allowance for losses | $ 46.6 | $ 53.3
Recovery of prior legal settlement expenses | 22.9 |
Insurance recoveries | $ 14.0 |

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- Definition This represents the recovery amount of prior legal settlement expenses. + References No definition available. + Details
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Namespace Prefix: | ocn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Servicing Receivables, Allowance For Losses + References No definition available. + Details
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Namespace Prefix: | ocn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Amount of receivable related to a loss contingency accrual that is expected to be collected within one year or the normal operating cycle, if longer. For example, an insurance recovery receivable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6851643&loc=d3e12053-110248 + Details
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Balance Type: | debit
Period Type: | instant

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- References No definition available. + Details
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