Debt Instrument, Interest Rate, Basis for Effective Rate at Period End

No definition available.

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

- Definition

Proceeds from sale of mortgage servicing rights accounted for as financing.

+ References

No definition available.

+ Details

Name:	ocn_ProceedsFromSaleOfMortgageServicingRightsAccountedForAsFinancing
Namespace Prefix:	ocn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 6
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6036836-161870

Reference 2: 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=114775744&loc=d3e28551-108399

Reference 3: 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(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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

- Definition

Incremental percentage increase (decrease) in the stated rate on a debt instrument.

+ References

No definition available.

+ Details

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

- 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

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

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 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

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

- Details

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

- Details

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

- Details

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

- Details

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

- Details

Name:	us-gaap_DebtInstrumentAxis=ocn_SeriesTwoThousandFifteenVariableFundingNotesOneMember
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:

Borrowings - Schedule of Match Funded Liabilities (Footnote) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 05, 2018	Aug. 15, 2018	Jul. 16, 2018	Jul. 13, 2018	Jan. 01, 2018	Jun. 07, 2017
Debt Instrument [Line Items]
Proceeds from sale of mortgage servicing rights accounted for as a financing	$ 279,586	$ 54,601	$ 0
Minimum [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate	2.72%
Maximum [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate	4.53%
Advance Receivable Backed Variable Funding Notes [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 70,000							$ 105,000
Advance Receivables Backed Notes - Series 2015-VF5 [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity							$ 225,000
Advance Receivables Backed Notes - Series 2015-VF5 [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate	1.05%
Advance Receivables Backed Notes - Series 2015-VF5 [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate	2.50%
Advance Receivables Backed Notes - Series 2016-T1 [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity						$ 265,000
Series 2016 and 2018 Term Notes [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 535,000
Series 2018 Term Notes [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity					$ 150,000
Advance Receivables Backed Notes, Series 2014-VF1 [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity				$ 55,000
Ceiling percentage of 1ML in determining interest rate	3.00%
Advance Receivables Backed Notes, Series 2014-VF1 [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	2.35%
Advance Receivables Backed Notes, Series 2014-VF1 [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	4.75%
Advance Receivables Backed Notes, Series 2015-VF1 [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity		$ 110,000							$ 65,000
Basis spread on variable rate	3.00%
Advance Receivables Backed Notes, Series 2015-VF1 [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	1.80%
Advance Receivables Backed Notes, Series 2015-VF1 [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	4.50%
LIBOR [Member]
Debt Instrument [Line Items]
1-Month LIBOR	2.50%	1.56%
LIBOR [Member] \| Advance Receivable Backed Variable Funding Notes [Member]
Debt Instrument [Line Items]
Ceiling percentage of 1ML in determining interest rate	1.25%
LIBOR [Member] \| Advance Receivable Backed Variable Funding Notes [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	2.35%
LIBOR [Member] \| Advance Receivable Backed Variable Funding Notes [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	6.35%