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Interest Expense - Schedule of Interest Expense Related to Financing Liabilities Recorded in Connection with the HLSS Transactions (Footnote) (Details) (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2012
Mar. 31, 2012
Schedule of Interest Expense [Line Items]      
Stated interest rate   3.25%us-gaap_DebtInstrumentInterestRateStatedPercentage  
HLSS [Member]      
Schedule of Interest Expense [Line Items]      
Reimbursements on account of loss of servicing revenues $ 2.0ocn_ReimbursementsOnAccountOfLossOfServicingRevenues
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= ocn_HomeLoanServicingSolutionsMember		    
Convertible Notes Payable [Member]      
Schedule of Interest Expense [Line Items]      
Stated interest rate 3.25%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= us-gaap_ConvertibleNotesPayableMember		   3.25%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= us-gaap_ConvertibleNotesPayableMember
10.875% Capital Securities [Member]      
Schedule of Interest Expense [Line Items]      
Stated interest rate 10.875%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_StatementEquityComponentsAxis
= ocn_CapitalSecuritiesMember