Name:	ppbi_LoansReceivableGross
Namespace Prefix:	ppbi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Financing receivables that are less than 60 days past due but more than 29 days past due.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 7A

-URI http://asc.fasb.org/extlink&oid=28368275&loc=SL6953401-111524

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Namespace Prefix:	us-gaap_
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Period Type:	instant

Financing receivables that are less than 90 days past due but more than 59 days past due.

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

Financing receivables that are current.

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

Financing receivables that are equal to or greater than 90 days past due.

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

Recorded investment in financing receivables that are on nonaccrual status as of the balance sheet date.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 7

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=28368275&loc=d3e5111-111524

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Period Type:	instant

Name:	us-gaap_FinancingReceivableRecordedInvestmentPastDueLineItems
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Data Type:	xbrli:stringItemType
Balance Type:	na
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Namespace Prefix:
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Name:	us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=ppbi_MultiFamilyRealEstateLoanMember
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Name:	us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=ppbi_OneToFourFamilyRealEstateLoanMember
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Name:	us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=ppbi_SmallBusinessAdministrationLoansMember
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Data Type:	na
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Name:	us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=ppbi_WarehouseFacilitiesBusinessLoanMember
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