Derivative Notional Balance [Roll Forward]

No definition available.

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- Definition

-- None. No documentation exists for this element. --

+ References

No definition available.

+ Details

Name:	ocn_FairValueOfDerivativeAssetsLiabilitiesAtAbstract
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- Definition

Short-term commitments to lend.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Fair value of the assets less the liabilities of a derivative or group of derivatives.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=121572278&loc=d3e13433-108611

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4A
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5618551-113959

+ Details

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Period Type:	duration

- References

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of increase in the fair value of derivatives recognized in the income statement.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4A
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5618551-113959

+ Details

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

- Definition

Nominal or face amount used to calculate payment on derivative.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
-URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5580258-113959

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5579245-113959

+ Details

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Balance Type:	na
Period Type:	instant

- Details

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- Details

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Derivative Financial Instruments and Hedging Activities - Summary of Derivatives (Details) - USD ($)	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Fair value of derivative assets (liabilities) at:
Derivatives, at fair value	$ 22,852,000		$ 6,007,000
Interest Rate Lock Commitments
Derivative Notional Balance
Notional balance	507,632,000		232,566,000
Fair value of derivative assets (liabilities) at:
Derivatives, at fair value	17,818,000		4,878,000
Gains (losses) on derivatives during the six months ended:
Gains (losses) on derivatives	12,048,000	$ (296,000)
TBA/Forward Mortgage Backed Securities Trades
Derivative Notional Balance
Notional balance	395,000,000		1,200,000,000
Fair value of derivative assets (liabilities) at:
Derivatives, at fair value	5,019,000		1,121,000
Gains (losses) on derivatives during the six months ended:
Gains (losses) on derivatives	42,811,000	0
Forward MBS Trades
Derivative Notional Balance
Notional balance	80,000,000		60,000,000
Fair value of derivative assets (liabilities) at:
Derivatives, at fair value	(1,017,000)		(92,000)
Gains (losses) on derivatives during the six months ended:
Gains (losses) on derivatives	(10,320,000)	(3,238,000)
Gains on derivatives	700,000
Interest Rate Caps
Derivative Notional Balance
Notional balance	0		27,083,000
Fair value of derivative assets (liabilities) at:
Derivatives, at fair value	0		0
Gains (losses) on derivatives during the six months ended:
Gains (losses) on derivatives	0	$ (335,000)
Interest Rate Swap
Derivative Notional Balance
Notional balance	395,000,000.0
Fair value of derivative assets (liabilities) at:
Derivatives, at fair value	5,000,000.0		$ 0
Reverse Mortgage Loan Interest Rate Lock Commitments
Gains (losses) on derivatives during the six months ended:
Short-term commitments to lend	$ 30,200,000