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Commitments - Schedule of Activity Related to HMBS Repurchases (Footnote) (Details) $ in Millions | 9 Months Ended
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Sep. 30, 2020 USD ($) loan
Other Commitments [Abstract] |
Number of maximum claim amount repurchases loans | loan | 308
Amount of maximum claim amount repurchases | $ | $ 66.9

X
- Definition This represents the amount of maximum claim amounts repurchased. + References No definition available. + Details
Name: | ocn_AmountOfMaximumClaimAmountRepurchases
Namespace Prefix: | ocn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition This represents the number of maximum claim amounts repurchased. + References No definition available. + Details
Name: | ocn_NumberOfMaximumClaimAmountRepurchasesLoans
Namespace Prefix: | ocn_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_OtherCommitmentsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration