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The sum of cash and cash equivalents plus Federal Funds Sold. Cash and cash equivalents consist of short term, highly liquid investments that are readily convertible to known amounts of cash and are so near their maturity that they present negligible risk of changes in value due to changes in interest rates -- usually with an original maturity less than 90 days. Also includes intangible assets.

No definition available.

Name:	ppbi_CashAndCashEquivalentsIncludingIntangibleAssets
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Period Type:	instant

Represents the Federal Home Loan Bank's stock and The Independent Bankers Bank's stock during the reporting period.

No definition available.

Name:	ppbi_FederalHomeLoanBanksStockAndTheIndependentBankersBanksStock
Namespace Prefix:	ppbi_
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The net gain (loss) resulting from a sale of loans held for investment, including fair value adjustments to loans held for investment purposes.

No definition available.

Name:	ppbi_GainLossOnSaleOfLoansHeldForInvestment
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The net gain (loss) resulting from a sale of loans, including adjustments to record loans classified as held-for-sale at the lower-of-cost-or-market.

No definition available.

Name:	ppbi_GainLossOnSaleOfLoansHeldForSale
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The net gain or loss resulting from sales and other disposals of other real estate owned excluding the write-down of other real estate owned after acquisition or physical possession.

No definition available.

Name:	ppbi_GainsLossesOnSalesOfOtherRealEstateExcludingWriteDownOfOtherRealEstateOwned
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This element represents the net change during the reporting period in the amount due from borrowers for interest payments. Also includes the net change in other assets not otherwise specified in the taxonomy.

No definition available.

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This element represents the value of investment securities available for sale purchased and not settled at the end of the reporting period.

No definition available.

Name:	ppbi_InvestmentSecuritiesAvailableForSalePurchasedNotSettled
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Data Type:	xbrli:monetaryItemType
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This element represents the value of loans transferred to other real estate owned in noncash transactions during the reporting period.

No definition available.

Name:	ppbi_LoansTransferredToOtherRealEstateOwned
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Period Type:	duration

The amount of goodwill that an entity acquires in a noncash (or part noncash) acquisition. Noncash is defined as information about all investing and financing activities of an enterprise during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. Part noncash refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

No definition available.

Name:	ppbi_NoncashOrPartNoncashAcquisitionGoodwillAcquired
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The amount of loans that an Entity acquires in a noncash (or part noncash) acquisition. Noncash is defined as information about all investing and financing activities of an enterprise during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

No definition available.

Name:	ppbi_NoncashOrPartNoncashAcquisitionLoansAcquired
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The fair value of shares issued as [noncash or part noncash] consideration for a business or asset acquired. Noncash is defined as transactions during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. Part noncash refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

No definition available.

Name:	ppbi_NoncashOrPartNoncashAcquisitionNoncashFinancialOrEquityInstrumentConsiderationSharesIssuedValue
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The amount of other borrowings that an entity assumes in acquiring a business or in consideration for an asset received in a noncash (or part noncash) acquisition. Noncash is defined as transactions during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. Part noncash refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

No definition available.

Name:	ppbi_NoncashOrPartNoncashAcquisitionOtherBorrowingsAssumed
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The amount of other real estate owned that an Entity acquires in a noncash (or part noncash) acquisition. Noncash is defined as information about all investing and financing activities of an enterprise during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

No definition available.

Name:	ppbi_NoncashOrPartNoncashAcquisitionOtherRealEstateOwnedAcquired
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Represents the amount of cash outflow for payments for investment made in bank owned life insurance.

No definition available.

Name:	ppbi_PaymentsForInvestmentInBankOwnedLifeInsurance
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This element represents the cash outflow for the payment of loans drawn from the Federal Home Loan Bank. Also includes the repayment of other borrowings not otherwise specified in the taxonomy.

No definition available.

Name:	ppbi_RepaymentsOfFederalHomeLoanBankAndOtherBorrowings
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This element represents the write-down of other real estate owned after acquisition or physical possession.

No definition available.

Name:	ppbi_WriteDownOfOtherRealEstateOwned
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Period Type:	duration

The sum of the periodic adjustments of the differences between securities' face values and purchase prices that are charged against earnings. This is called accretion if the security was purchased at a discount and amortization if it was purchased at premium. As a noncash item, this element is an adjustment to net income when calculating cash provided by or used in operations using the indirect method.

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Amount of recovery of loans and lease receivables which had previously been fully or partially written-off as bad debts.

No definition available.

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Period Type:	duration

This item represents the gross profit realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities.

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Earnings on or other increases in the value of the cash surrender value of bank owned life insurance policies.

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Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.

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-Glossary Deferred Tax Expense (or Benefit)

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The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.

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Amount of gain (loss) on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property.

Name:	us-gaap_GainLossOnSaleOfPropertyPlantEquipment
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The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income.

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The increase (decrease) during the reporting period in the amounts payable to vendors for goods and services received and the amount of obligations and expenses incurred but not paid.

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The net cash inflow or outflow for the increase (decrease) in the beginning and end of period deposits balances.

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The increase (decrease) during the reporting period in undistributed cash for loans that have been granted but not entirely funded.

Name:	us-gaap_IncreaseDecreaseInUndisbursedLoanFunds
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The amount of cash paid for interest during the period.

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Amount of accretion (amortization) of purchase discount (premium) on nonoperating securities.

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-Paragraph 2

-Subparagraph (SX 210.5-03.8)

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Name:	us-gaap_InvestmentIncomeNetAmortizationOfDiscountAndPremium
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The increase (decrease) in cash associated with the entity's continuing operating, investing, and financing activities. While for technical reasons this element has no balance attribute, the default assumption is a debit balance consistent with its label.

No definition available.

Name:	us-gaap_NetCashProvidedByUsedInContinuingOperations
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
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Amount of cash inflow (outflow) of financing activities, excluding discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.

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Amount of cash inflow (outflow) of investing activities, excluding discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.

Name:	us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations
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Amount of cash inflow (outflow) from operating activities, excluding discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.

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Net income after adjustments for dividends on preferred stock (declared in the period) and/or cumulative preferred stock (accumulated for the period).

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Name:	us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic
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The amount of debt that an Entity assumes in acquiring a business or in consideration for an asset received in a noncash (or part noncash) acquisition. Noncash is defined as transactions during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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Name:	us-gaap_NoncashOrPartNoncashAcquisitionDebtAssumed1
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The amount of fixed assets that an Entity acquires in a noncash (or part noncash) acquisition. Noncash is defined as information about all investing and financing activities of an enterprise during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

Name:	us-gaap_NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1
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The amount of intangibles that an Entity acquires in a noncash (or part noncash) acquisition. Noncash is defined as information about all investing and financing activities of an enterprise during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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The amount of investments that an Entity acquires in a noncash (or part noncash) acquisition. Noncash is defined as information about all investing and financing activities of an enterprise during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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The amount of assets that an Entity acquires in a noncash (or part noncash) acquisition that are not presented as a separate disclosure or not otherwise listed in the existing taxonomy. Noncash is defined as information about all investing and financing activities of an enterprise during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period.

Name:	us-gaap_NoncashOrPartNoncashAcquisitionOtherAssetsAcquired1
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The amount of liabilities that an entity assumes in acquiring a business or in consideration for an asset received in a noncash (or part noncash) acquisition that are not presented as a separate disclosure or otherwise listed in the existing taxonomy. Noncash is defined as transactions during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

Name:	us-gaap_NoncashOrPartNoncashAcquisitionOtherLiabilitiesAssumed1
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The amount by which the fair value of an investment in debt and equity securities categorized as Available-for-sale is less than the amortized cost basis or carrying amount of that investment at the balance sheet date and the decline in fair value is deemed to be other than temporary, before considering whether or not such amount is recognized in earnings or other comprehensive income.

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Amount of cash outflow (inflow) from acquisition (sale) of Federal Home Loan Bank (FHLBank) stock.

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Name:	us-gaap_PaymentsForProceedsFromFederalHomeLoanBankStock
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The cash outflow to reacquire common stock during the period.

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-Glossary Financing Activities

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The cash outflow to acquire debt and equity securities not classified as either held-to-maturity securities or trading securities which would be classified as available-for-sale securities and reported at fair value, with unrealized gains and losses excluded from earnings and reported in a separate component of shareholders' equity.

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-Name Accounting Standards Codification

-Glossary Investing Activities

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

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-Section 45

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

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-Paragraph 13

-Subparagraph (a),(b)

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Amount of cash outflow to acquire Federal Reserve Bank (FRB) stock.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

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The cash outflow from (a) purchases of loans held-for-investment, (b) purchases of leases held-for-investment, and (c) both.

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

-Publisher FASB

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The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.

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The cash inflow from the additional capital contribution to the entity.

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

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-Topic 230

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The cash inflow from a borrowing where a lender is placed in a lien position behind debt having a higher priority of repayment (senior) in liquidation of the entity's assets or underlying collateral.

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

-Publisher FASB

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The cash inflow from repayments of the balance excluding interest (principal) on loans receivable and leases held for investment purposes.

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The cash inflow associated with the sale or maturity (principal being due) of securities not classified as either held-to-maturity securities or trading securities which are classified as available-for-sale securities.

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

-Publisher FASB

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-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

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-Paragraph 12

-Subparagraph (a),(b)

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The cash inflow associated with the sale of debt and equity securities classified as available-for-sale securities.

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

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-Publisher FASB

-Name Accounting Standards Codification

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Name:	us-gaap_ProceedsFromSaleOfAvailableForSaleSecurities
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The cash inflow from the sale assets received in full or partial satisfaction of a receivable including real and personal property; equity interests in corporations, partnerships, and joint ventures; and beneficial interests in trusts. Foreclosed assets also include loans that are treated as if the underlying collateral had been foreclosed because the institution has taken possession of the collateral, even though legal foreclosure or repossession proceedings have not taken place.

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The cash inflow resulting from the sale of loans classified as held-for-sale, including proceeds from loans sold through mortgage securitization.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

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-Publisher FASB

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The cash inflow associated with the amount received from holders exercising their stock warrants.

No definition available.

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Amount of expense related to estimated loss from loan and lease transactions.

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The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

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Value of loans held-for-sale transferred to loans held in the entity's portfolio in noncash transactions.