Borrowings available on committed basis.

No definition available.

Name:	ocn_BorrowingsAvailableOnCommittedBasis
Namespace Prefix:	ocn_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Debt Instrument, Basis Spread on Unpaid Principal Balance

+ References

No definition available.

+ Details

Name:	ocn_DebtInstrumentBasisSpreadonUnpaidPrincipalBalance
Namespace Prefix:	ocn_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the index floor rate used for interest rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	ocn_DebtInstrumentInterestRateAtIndexFloorRate
Namespace Prefix:	ocn_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Debt Instrument, Prepayment Premium, Next Two Years

+ References

No definition available.

+ Details

Name:	ocn_DebtInstrumentPrepaymentPremiumNextTwoYears
Namespace Prefix:	ocn_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Line of Credit Facility, Agreement Term, Potential Benefit Interest Percentage By Lender

+ References

No definition available.

+ Details

Name:	ocn_LineofCreditFacilityAgreementTermPotentialBenefitInterestPercentageByLender
Namespace Prefix:	ocn_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=119993939&loc=d3e28551-108399

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400

+ Details

Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of the required periodic payments including both interest and principal payments.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22)
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823

+ Details

Name:	us-gaap_DebtInstrumentPeriodicPayment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of unused borrowing capacity under the long-term financing arrangement that is available to the entity as of the balance sheet date.

+ References

+ Details

Name:	us-gaap_DebtInstrumentUnusedBorrowingCapacityAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3291-108585

+ Details

Name:	us-gaap_RepaymentsOfDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

Name:	us-gaap_CreditFacilityAxis=ocn_MasterRepurchaseAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=ocn_ParticipationAgreementTwoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLIBORMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=us-gaap_SecuredDebtMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=ocn_SeniorSecuredTermLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=ocn_MortgageWarehouseAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=ocn_MasterRepurchaseAgreementTwoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=ocn_MasterRepurchaseAgreementFourMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=ocn_MortgageWarehouseAgreementTwoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=ocn_MortgageWarehouseAgreementThreeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=ocn_MortgageWarehouseAgreementFourMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=ocn_AgencyMortgageServicingRightsFinancingFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=ocn_GinnieMaeMortgageServicingRightsFinancingFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=ocn_OcwenExcessSpreadCollateralizedNotesSeries2019PLS1ClassAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_EurodollarMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=ocn_OASISSeries20141Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_SecuredDebtMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ShortTermDebtTypeAxis=us-gaap_WarehouseAgreementBorrowingsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=ocn_InterestonUnderlyingMortgageLoansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentRedemptionPeriodAxis=us-gaap_DebtInstrumentRedemptionPeriodOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_BaseRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentRedemptionPeriodAxis=us-gaap_DebtInstrumentRedemptionPeriodTwoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Borrowings - Schedule of Other Secured Borrowings (Footnote) (Details) - USD ($)			9 Months Ended	12 Months Ended
	May 31, 2020	Jan. 27, 2020	Sep. 30, 2020	Dec. 31, 2019	Nov. 15, 2020	Oct. 08, 2020	Jun. 30, 2020	Jun. 25, 2020	May 07, 2020	May 06, 2020	Mar. 11, 2020	Feb. 04, 2019
Debt Instrument [Line Items]
Maximum borrowing capacity			$ 795,000,000
Master Repurchase Agreement
Debt Instrument [Line Items]
Maximum borrowing capacity			175,000,000.0
Borrowings available on committed basis			$ 110,000,000.0
Participation Agreement
Debt Instrument [Line Items]
Maximum borrowing capacity												$ 300,000,000.0
London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Basis spread on variable rate			0.15%	1.76%
Secured Debt
Debt Instrument [Line Items]
Available borrowing capacity			$ 136,071,000
Secured Debt \| Senior Secured Term Loan
Debt Instrument [Line Items]
Available borrowing capacity			0
Repayments of debt		$ 126,100,000
Maximum borrowing capacity		$ 200,000,000.0
Prepayment premium through January 27, 2022 (percent)		2.00%
Periodic prepayment of SSTL		$ 5,000,000.0
Secured Debt \| Mortgage Warehouse Agreement
Debt Instrument [Line Items]
Available borrowing capacity			0
Secured Debt \| Master Repurchase Agreement
Debt Instrument [Line Items]
Available borrowing capacity			0
Secured Debt \| Master Repurchase Agreement
Debt Instrument [Line Items]
Available borrowing capacity			8,869,000
Secured Debt \| Master Repurchase Agreement
Debt Instrument [Line Items]
Available borrowing capacity			0
Secured Debt \| Mortgage Warehouse Agreement
Debt Instrument [Line Items]
Available borrowing capacity			48,211,000
Secured Debt \| Mortgage Warehouse Agreement
Debt Instrument [Line Items]
Available borrowing capacity			0
Secured Debt \| Mortgage Warehouse Agreement
Debt Instrument [Line Items]
Available borrowing capacity			0
Secured Debt \| Agency Mortgage Servicing Rights Financing Facility
Debt Instrument [Line Items]
Available borrowing capacity			136,071,000
Maximum borrowing capacity									$ 250,000,000.0	$ 300,000,000.0
Secured Debt \| Ginnie Mae Mortgage Servicing Rights Financing Facility
Debt Instrument [Line Items]
Available borrowing capacity			0
Maximum borrowing capacity			127,500,000				$ 100,000,000.0
Secured Debt \| Ocwen Excess Spread-Collateralized Notes, Series 2019-PLS1 Class A
Debt Instrument [Line Items]
Available borrowing capacity			0
Debt instrument, face amount			$ 100,000,000.0
Secured Debt \| Eurodollar \| Senior Secured Term Loan
Debt Instrument [Line Items]
Basis spread on variable rate			6.00%
Interest rate at index floor rate			1.00%
Secured Debt \| London Interbank Offered Rate (LIBOR) \| Mortgage Warehouse Agreement
Debt Instrument [Line Items]
Interest rate at index floor rate			0.00%
Secured Debt \| London Interbank Offered Rate (LIBOR) \| Master Repurchase Agreement
Debt Instrument [Line Items]
Basis spread on variable rate			1.80%
Interest rate at index floor rate			0.35%
Secured Debt \| London Interbank Offered Rate (LIBOR) \| Mortgage Warehouse Agreement
Debt Instrument [Line Items]
Interest rate at index floor rate			5.25%
Secured Debt \| London Interbank Offered Rate (LIBOR) \| Mortgage Warehouse Agreement
Debt Instrument [Line Items]
Interest rate at index floor rate			3.50%
Secured Debt \| London Interbank Offered Rate (LIBOR) \| Ginnie Mae Mortgage Servicing Rights Financing Facility
Debt Instrument [Line Items]
Basis spread on variable rate	3.95%		7.00%
OASIS Series 2014-1
Debt Instrument [Line Items]
Basis spread on UPB			0.21%
Secured Debt \| Mortgage Warehouse Agreement
Debt Instrument [Line Items]
Maximum borrowing capacity			$ 1,000,000.0								$ 100,000,000.0
Secured Debt \| Master Repurchase Agreement
Debt Instrument [Line Items]
Maximum borrowing capacity			250,000,000.0
Borrowings available on committed basis			200,000,000.0
Secured Debt \| Master Repurchase Agreement
Debt Instrument [Line Items]
Maximum borrowing capacity			50,000,000.0
Secured Debt \| Participation Agreement
Debt Instrument [Line Items]
Maximum borrowing capacity								$ 120,000,000.0
Borrowings available on committed basis			$ 90,000,000.0
Beneficial interest			100.00%
Warehouse Agreement Borrowings
Debt Instrument [Line Items]
Available borrowing capacity			$ 34,100,000
Warehouse Agreement Borrowings \| Secured Debt
Debt Instrument [Line Items]
Available borrowing capacity			$ 134,577,000
Warehouse Agreement Borrowings \| Secured Debt \| Eurodollar
Debt Instrument [Line Items]
Basis spread on variable rate			3.50%
Warehouse Agreement Borrowings \| Secured Debt \| London Interbank Offered Rate (LIBOR) \| Agency Mortgage Servicing Rights Financing Facility
Debt Instrument [Line Items]
Basis spread on variable rate			4.50%
Warehouse Agreement Borrowings \| Secured Debt \| London Interbank Offered Rate (LIBOR) \| Ginnie Mae Mortgage Servicing Rights Financing Facility
Debt Instrument [Line Items]
Basis spread on variable rate			3.95%
Warehouse Agreement Borrowings \| Secured Debt \| London Interbank Offered Rate (LIBOR) \| Ocwen Excess Spread-Collateralized Notes, Series 2019-PLS1 Class A
Debt Instrument [Line Items]
Interest rate (as a percent)			5.07%
Warehouse Agreement Borrowings \| Secured Debt \| Interest on Underlying Mortgage Loans
Debt Instrument [Line Items]
Basis spread on variable rate			0.35%
Warehouse Agreement Borrowings \| Secured Debt \| Mortgage Warehouse Agreement
Debt Instrument [Line Items]
Borrowings available on committed basis			$ 50,000,000.0
Warehouse Agreement Borrowings \| Secured Debt \| Mortgage Warehouse Agreement
Debt Instrument [Line Items]
Maximum borrowing capacity			100,000,000.0
Warehouse Agreement Borrowings \| Secured Debt \| Mortgage Warehouse Agreement
Debt Instrument [Line Items]
Maximum borrowing capacity			$ 100,000,000.0
Debt Instrument, Redemption, Period One \| Secured Debt \| Eurodollar \| Senior Secured Term Loan
Debt Instrument [Line Items]
Basis spread on variable rate		6.00%
Debt Instrument, Redemption, Period One \| Secured Debt \| Base Rate \| Senior Secured Term Loan
Debt Instrument [Line Items]
Basis spread on variable rate		5.00%
Debt Instrument, Redemption, Period Two \| Secured Debt \| Eurodollar \| Senior Secured Term Loan
Debt Instrument [Line Items]
Basis spread on variable rate		6.50%
Debt Instrument, Redemption, Period Two \| Secured Debt \| Base Rate \| Senior Secured Term Loan
Debt Instrument [Line Items]
Basis spread on variable rate		5.50%
Subsequent Event \| Warehouse Agreement Borrowings \| Secured Debt \| Mortgage Warehouse Agreement
Debt Instrument [Line Items]
Maximum borrowing capacity					$ 100,000,000.0	$ 150,000,000.0