Pledged financial instruments not separately reported and assets separately reported on statement at fair value.

No definition available.

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- Definition

Pledged financial instruments not separately reported Pledged securities.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

- Definition

Market value of assets sold under agreements to repurchase when the carrying amount (or market value, if higher than the carrying amount) of securities or other assets sold under repurchase agreements exceeds 10 percent of total assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(m)(1)(i))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(m)(1)(ii)(A)(i))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1

+ Details

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

- Definition

Fair value portion of mortgage loans held-for-sale.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

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- Details

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- Details

Name:	us-gaap_FinancialInstrumentAxis=pmt_MortgageLoansAcquiredForSaleMember
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- Details

Name:	srt_MortgageLoansOnRealEstateLoanTypeAxis=pmt_GovernmentSponsoredEntityEligibleMember
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- Details

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- Details

Name:	srt_MortgageLoansOnRealEstateLoanTypeAxis=pmt_GovernmentGuaranteedSecuritiesMember
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Data Type:	na
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- Details

Name:	srt_MortgageLoansOnRealEstateLoanTypeAxis=pmt_JumboLoanMember
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Data Type:	na
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- Details

Name:	srt_MortgageLoansOnRealEstateLoanTypeAxis=us-gaap_HomeEquityLoanMember
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- Details

Name:	srt_MortgageLoansOnRealEstateLoanTypeAxis=pmt_RepresentationsAndWarrantiesMember
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