Represents the fair value amount of collateral dependent impaired loans.

No definition available.

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

- Definition

Represents the percentage of management adjustment to the observed price to reflect current conditions and selling costs, used as an input to measure fair value.

+ References

No definition available.

+ Details

Name:	ppbi_FairValueInputsManagementAdjustmentsReflectingCurrentConditionsAndSellingCosts
Namespace Prefix:	ppbi_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the period of management adjustment to the observed price to reflect current conditions and selling costs, used as an input to measure fair value.

+ References

No definition available.

+ Details

Name:	ppbi_FairValueInputsPeriodOfManagementAdjustmentsReflectingCurrentConditionsAndSellingCosts
Namespace Prefix:	ppbi_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- References

No definition available.

+ Details

Name:	us-gaap_FairValueInputsAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
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_FairValueInputsAssetsQuantitativeInformationLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (bbb)

-URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258

+ Details

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

- Definition

Carrying amount as of the balance sheet date of land and buildings obtained through foreclosure proceedings or defeasance in full or partial satisfaction of a debt arrangement.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 11

-URI http://asc.fasb.org/extlink&oid=49124121&loc=d3e5162-111524

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 45

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=28367877&loc=d3e4437-111522

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 28

-Article 12

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Paragraph c

-Subparagraph Schedule III

-Article 5

+ Details

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

- Details

Name:	us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsNonrecurringMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=ppbi_CommercialAndIndustrialBusinessLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ValuationTechniqueAxis=ppbi_CollateralAnalysisValuationTechniqueMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=ppbi_CommercialOwnerOccupiedBusinessLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=ppbi_CommercialNonOwnerOccupiedRealEstateLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=ppbi_RealEstateLandMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=ppbi_OneToFourFamilyRealEstateLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Fair Value of Financial Instruments Quantitative Data (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Quantitative information about level 3 of fair value measurements for financial instruments
Other real estate owned	$ 711	$ 752	$ 1,037
Level 3
Quantitative information about level 3 of fair value measurements for financial instruments
Other real estate owned	711	752	$ 1,037
Non-recurring basis
Quantitative information about level 3 of fair value measurements for financial instruments
Collateral dependent impaired loans	2,548	1,003
Other real estate owned	711	752
Non-recurring basis \| Level 3
Quantitative information about level 3 of fair value measurements for financial instruments
Collateral dependent impaired loans	2,548	1,003
Other real estate owned	711	752
Non-recurring basis \| Level 3 \| Commercial and industrial
Quantitative information about level 3 of fair value measurements for financial instruments
Collateral dependent impaired loans	$ 1,684	$ 24
Non-recurring basis \| Level 3 \| Commercial and industrial \| Minimum
Unobservable Inputs
Unobservable Inputs (as a percent)	0.00%	0.00%
Non-recurring basis \| Level 3 \| Commercial and industrial \| Maximum
Unobservable Inputs
Unobservable Inputs (as a percent)	10.00%	10.00%
Non-recurring basis \| Level 3 \| Commercial and industrial \| Collateral analysis
Unobservable Inputs
Rate (as a percent)	6.70%
Maturity (years)	8 years
Non-recurring basis \| Level 3 \| Commercial and industrial \| Collateral analysis \| Minimum
Unobservable Inputs
Rate (as a percent)		6.00%
Maturity (years)		3 years
Non-recurring basis \| Level 3 \| Commercial owner occupied
Quantitative information about level 3 of fair value measurements for financial instruments
Collateral dependent impaired loans	$ 370	$ 417
Unobservable Inputs
Rate (as a percent)		11.75%
Maturity (years)		8 years
Non-recurring basis \| Level 3 \| Commercial owner occupied \| Minimum
Unobservable Inputs
Unobservable Inputs (as a percent)	0.00%	0.00%
Non-recurring basis \| Level 3 \| Commercial owner occupied \| Maximum
Unobservable Inputs
Unobservable Inputs (as a percent)	10.00%	10.00%
Non-recurring basis \| Level 3 \| Commercial owner occupied \| Collateral analysis
Unobservable Inputs
Rate (as a percent)	6.75%
Maturity (years)	7 years
Non-recurring basis \| Level 3 \| Commercial non-owner occupied
Quantitative information about level 3 of fair value measurements for financial instruments
Collateral dependent impaired loans	$ 443	$ 514
Unobservable Inputs
Rate (as a percent)		7.00%
Maturity (years)		13 years
Non-recurring basis \| Level 3 \| Commercial non-owner occupied \| Minimum
Unobservable Inputs
Unobservable Inputs (as a percent)	0.00%	0.00%
Non-recurring basis \| Level 3 \| Commercial non-owner occupied \| Maximum
Unobservable Inputs
Unobservable Inputs (as a percent)	15.00%	15.00%
Non-recurring basis \| Level 3 \| Commercial non-owner occupied \| Collateral analysis
Unobservable Inputs
Rate (as a percent)	7.00%
Maturity (years)	12 years
Non-recurring basis \| Level 3 \| Land
Quantitative information about level 3 of fair value measurements for financial instruments
Collateral dependent impaired loans	$ 23
Other real estate owned	$ 711	$ 752
Non-recurring basis \| Level 3 \| Land \| Minimum
Unobservable Inputs
Unobservable Inputs (as a percent)	0.00%
Non-recurring basis \| Level 3 \| Land \| Maximum
Unobservable Inputs
Unobservable Inputs (as a percent)	10.00%
Non-recurring basis \| Level 3 \| Land \| Collateral analysis
Unobservable Inputs
Rate (as a percent)	13.00%
Maturity (years)	15 years
Non-recurring basis \| Level 3 \| One-to-four family
Quantitative information about level 3 of fair value measurements for financial instruments
Collateral dependent impaired loans	$ 28	$ 48
Other real estate owned	$ 0
Non-recurring basis \| Level 3 \| One-to-four family \| Minimum
Unobservable Inputs
Rate (as a percent)	8.00%	2.26%
Maturity (years)	5 years	2 years
Unobservable Inputs (as a percent)	0.00%	0.00%
Non-recurring basis \| Level 3 \| One-to-four family \| Maximum
Unobservable Inputs
Rate (as a percent)	15.00%	15.00%
Maturity (years)	16 years	22 years
Unobservable Inputs (as a percent)	10.00%	10.00%