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Mortgage Servicing - Schedule of Estimated Amortization Expense for MSRs (Details) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Servicing Asset at Amortized Cost [Line Items]    
Mortgage servicing rights, at fair value $ 93,901us-gaap_ServicingAssetAtFairValueAmount $ 116,029us-gaap_ServicingAssetAtFairValueAmount
2015 [Member]    
Servicing Asset at Amortized Cost [Line Items]    
Amortization method MSRs 222,006us-gaap_ServicingAssetAtAmortizedValue
/ us-gaap_RangeAxis
= ocn_TwoThousandFifteenMember		 [1]  
Mortgage servicing rights, at fair value 86,112us-gaap_ServicingAssetAtFairValueAmount
/ us-gaap_RangeAxis
= ocn_TwoThousandFifteenMember		 [2]  
Estimated amortization expense 135,894us-gaap_ServicingAssetAtAmortizedValueAmortization1
/ us-gaap_RangeAxis
= ocn_TwoThousandFifteenMember		  
2016 [Member]    
Servicing Asset at Amortized Cost [Line Items]    
Amortization method MSRs 186,018us-gaap_ServicingAssetAtAmortizedValue
/ us-gaap_RangeAxis
= ocn_TwoThousandSixteenMember		 [1]  
Mortgage servicing rights, at fair value 73,297us-gaap_ServicingAssetAtFairValueAmount
/ us-gaap_RangeAxis
= ocn_TwoThousandSixteenMember		 [2]  
Estimated amortization expense 112,721us-gaap_ServicingAssetAtAmortizedValueAmortization1
/ us-gaap_RangeAxis
= ocn_TwoThousandSixteenMember		  
2017 [Member]    
Servicing Asset at Amortized Cost [Line Items]    
Amortization method MSRs 174,097us-gaap_ServicingAssetAtAmortizedValue
/ us-gaap_RangeAxis
= ocn_TwoThousandSeventeenMember		 [1]  
Mortgage servicing rights, at fair value 65,527us-gaap_ServicingAssetAtFairValueAmount
/ us-gaap_RangeAxis
= ocn_TwoThousandSeventeenMember		 [2]  
Estimated amortization expense 108,570us-gaap_ServicingAssetAtAmortizedValueAmortization1
/ us-gaap_RangeAxis
= ocn_TwoThousandSeventeenMember		  
2018 [Member]    
Servicing Asset at Amortized Cost [Line Items]    
Amortization method MSRs 158,107us-gaap_ServicingAssetAtAmortizedValue
/ us-gaap_RangeAxis
= ocn_TwoThousandEighteenMember		 [1]  
Mortgage servicing rights, at fair value 58,592us-gaap_ServicingAssetAtFairValueAmount
/ us-gaap_RangeAxis
= ocn_TwoThousandEighteenMember		 [2]  
Estimated amortization expense 99,515us-gaap_ServicingAssetAtAmortizedValueAmortization1
/ us-gaap_RangeAxis
= ocn_TwoThousandEighteenMember		  
2019 [Member]    
Servicing Asset at Amortized Cost [Line Items]    
Amortization method MSRs 138,495us-gaap_ServicingAssetAtAmortizedValue
/ us-gaap_RangeAxis
= ocn_TwoThousandNineteenMember		 [1]  
Mortgage servicing rights, at fair value 52,402us-gaap_ServicingAssetAtFairValueAmount
/ us-gaap_RangeAxis
= ocn_TwoThousandNineteenMember		 [2]  
Estimated amortization expense $ 86,093us-gaap_ServicingAssetAtAmortizedValueAmortization1
/ us-gaap_RangeAxis
= ocn_TwoThousandNineteenMember		  
[1] Estimated amortization expense for all MSRs accounted for using the amortization method as of December 31, 2014, calculated based on assumptions used at December 31, 2014.
[2] Estimated amortization expense attributed to non-Agency MSRs accounted for using the amortization method as of December 31, 2014 for which we subsequently elected to account for using the fair value measurement method effective January 1, 2015.