Name:	ppbi_MinimumCumulativeChangeInOwnershipResultingInSection382OwnershipChange
Namespace Prefix:	ppbi_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Represents the amount of annual usable operating loss carryforwards, before tax effects, per year, available to reduce future taxable income under enacted tax laws.

No definition available.

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

The measurement period over which results from a transaction or a series of transactions could result in an ownership change as defined by Section 382 of the Internal Revenue Code.

No definition available.

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

Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319

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

Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32559-109319

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

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.

No definition available.