The adjusted net worth to total assets ratio actual.

No definition available.

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- Definition

The adjusted net worth to total assets ratio requirement.

+ References

No definition available.

+ Details

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- Definition

The liquidity requirement additional spread of the total non-performing unpaid principal balance excluded.

+ References

No definition available.

+ Details

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- Definition

The liquidity requirement additional spread of the total non-performing unpaid principal balance in excess of 6.0% or 4.0%.

+ References

No definition available.

+ Details

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- Definition

The liquidity requirement spread of the aggregate unpaid principal balance serviced, required by the Federal Housing Finance Agency.

+ References

No definition available.

+ Details

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- Definition

The eligibility requirement spread added to the net worth requirement, as a percent of the Company's total servicing portfolio, required by the Federal Housing Finance Agency.

+ References

No definition available.

+ Details

Name:	pfsi_FederalHousingFinanceAgencyNetWorthRequirementSpreadAsPercentOfCompanySServicingPortfolio
Namespace Prefix:	pfsi_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The amount of total liquidity as defined in the regulations.

+ References

No definition available.

+ Details

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

- Definition

The lowest amount of liquidity required by secondary market investors or state-imposed regulatory mandates.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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- Definition

The tangible net worth to total assets ratio actual.

+ References

No definition available.

+ Details

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Namespace Prefix:	pfsi_
Data Type:	num:percentItemType
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Period Type:	instant

- Definition

The tangible net worth to total assets ratio requirement.

+ References

No definition available.

+ Details

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Namespace Prefix:	pfsi_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of total capital as defined by regulatory framework.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 948
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=6490092&loc=d3e47304-110998

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 505
-Section 50
-Paragraph 1
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=117337116&loc=SL5958568-112826

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 948
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=6490092&loc=d3e47080-110998

+ Details

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Balance Type:	credit
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

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Data Type:	xbrli:stringItemType
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- Definition

The lowest amount of net worth (total assets minus total liabilities) required by secondary market investors or state-imposed regulatory mandates.

+ References

+ Details

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

- Details

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- Details

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- Details

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Regulatory Capital and Liquidity Requirements (Details) - USD ($) $ in Thousands		3 Months Ended	12 Months Ended
	Jun. 30, 2020	Mar. 31, 2021	Dec. 31, 2015	Dec. 31, 2020
Fannie Mae / Freddie Mac - PLS
Regulatory Net Worth and Agency Capital Requirements
Net worth		$ 4,964,124		$ 4,454,680
Capital Requirement		653,752		633,331
Liquidity		444,973		506,096
Liquidity requirement		$ 86,640		$ 84,444
Tangible net worth / Total assets ratio actual		16.00%		14.00%
Tangible net worth / Total assets ratio requirement		6.00%		6.00%
Ginnie Mae - PLS
Regulatory Net Worth and Agency Capital Requirements
Net worth		$ 4,466,186		$ 3,794,112
Capital Requirement		963,805		1,058,641
Liquidity		444,973		506,096
Liquidity requirement		$ 215,218		$ 215,722
Adjusted net worth / Total assets ratio actual		14.00%		12.00%
Adjusted net worth / Total assets ratio requirement		6.00%		6.00%
Ginnie Mae - PennyMac \| 1-4 unit servicing portfolio
Regulatory Net Worth and Agency Capital Requirements
Net worth		$ 2,500
FHFA net worth requirement spread		0.35%
FHFA liquidity spread of UPB serviced		0.10%
Liquidity requirement		$ 1,000
HUD - PLS
Regulatory Net Worth and Agency Capital Requirements
Net worth		4,466,186		$ 3,794,112
Capital Requirement		$ 2,500		$ 2,500
Federal Housing Finance Agency
Regulatory Net Worth and Agency Capital Requirements
Net worth			$ 2,500
FHFA liquidity spread of UPB serviced	0.035%
FHFA additional liquidity spread of UPB in excess of set percent	2.00%
FHFA additional liquidity spread of UPB excluded	70.00%
Federal Housing Finance Agency \| 1-4 unit servicing portfolio
Regulatory Net Worth and Agency Capital Requirements
FHFA net worth requirement spread			0.25%