Document And Entity Information Note To Financial Statement Details Textual Significant Accounting Policies Note 2 - Summary of Significant Accounting Policies Income tax expense ecd_NonRule10b51ArrTrmntdFlag Non-Rule 10b5-1 Arrangement Terminated [Flag] Note 3 - Investment Securities ecd_NonRule10b51ArrAdoptedFlag Non-Rule 10b5-1 Arrangement Adopted [Flag] Note 4 - Loans Receivable and Allowance for Credit Losses Trading Arrangements, by Individual [Table] Note 5 - Earnings Per Share ("EPS") Material Terms of Trading Arrangement [Text Block] Note 6 - Fair Value us-gaap_RestrictedInvestmentsNoncurrent Restricted stock Note 2 - Summary of Significant Accounting Policies - Segment Reporting Information (Details) Financial Instrument [Axis] Note 3 - Investment Securities - Summary of Investments (Details) Note 3 - Investment Securities - Schedule of Investments by Contractual Maturity Date (Details) Held to maturity, gross unrealized losses Held to maturity, gross unrealized gains Note 3 - Investment Securities - Schedule of Available for Sale Debt Securities in Unrealized Loss Position (Details) Note 4 - Loans Receivable and Allowance for Credit Losses - Schedule of Portfolio Segments of Loans Receivable (Details) Available for sale securities, gross unrealized losses Note 4 - Loans Receivable and Allowance for Credit Losses - Schedule of Past Due Financing Loans (Details) Available for sale securities, gross unrealized gains Note 4 - Loans Receivable and Allowance for Credit Losses - Nonaccrual Loans by Class (Details) Note 4 - Loans Receivable and Allowance for Credit Losses - Summary of Allowance for Credit Losses of Financing Receivables (Details) Note 4 - Loans Receivable and Allowance for Credit Losses - Schedule of Collateral-dependent Loans (Details) Note 4 - Loans Receivable and Allowance for Credit Losses - Schedule of Loans by Credit Quality Indicators (Details) Note 5 - Earnings Per Share ("EPS") - Schedule of Earnings Per Share (Details) Note 6 - Fair Value - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis (Details) Note 6 - Fair Value - Schedule of Fair Value, Assets and Liabilities Measured on Nonrecurring Basis (Details) Note 6 - Fair Value - Summary of Fair Value by Balance Sheet Grouping (Details) Notes To Financial Statements Notes To Financial Statements [Abstract] Basis of Presentation and Significant Accounting Policies [Text Block] Compensation and benefits us-gaap_DividendsCommonStockCash Dividend on common stock Financial Instruments [Domain] us-gaap_DividendsPreferredStockCash Dividend on preferred stock Common stock, dividends, per share (in dollars per share) Investment in Debt and Equity Instruments and Cash and Cash Equivalent [Text Block] us-gaap_SharesOutstanding Balance (in shares) Balance (in shares) us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsNumberOfPositions Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Number of Positions us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerNumberOfPositions Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions Residential mortgage-backed securities, debt securities, available for sale, unrealized loss position, twelve months or greater, fair value Residential mortgage-backed securities, debt securities, available for sale, continuous unrealized loss position, less than twelve months, fair value Decrease in accrued interest payable and other accrued liabilities Segment Reporting [Table Text Block] Adjustments to reconcile net income to net cash provided by operating activities: Preferred stock, 1,000,000 shares authorized, $1,000 liquidation value Series B non-cumulative convertible; 325 shares outstanding at June 30, 2026 and December 31, 2025 us-gaap_Liabilities Total liabilities us-gaap_LiabilitiesAndStockholdersEquity Total liabilities and shareholders' equity Segment Reporting [Table] Stock based compensation us-gaap_PreferredStockDividendsAndOtherAdjustments Less: Preferred stock dividend Net changes in: Preferred stock, shares, outstanding (in shares) Preferred Stock, Shares, Authorized (in shares) Portion at Fair Value Measurement [Member] Reported Value Measurement [Member] Fair Value, by Balance Sheet Grouping [Table] us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect Net increase (decrease) in cash and cash equivalents us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents Cash and Cash Equivalents, January 1, Cash and Cash Equivalents, June 30, Residential mortgage-backed securities us-gaap_MortgageBackedSecuritiesAvailableForSaleFairValueDisclosure Estimate of Fair Value Measurement [Member] Statement [Table] Credit Facility [Axis] Credit Facility [Domain] Residential mortgage-backed securities, debt securities, available for sale, unrealized loss position, unrealized losses, total Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value [Table Text Block] us-gaap_LoansReceivableFairValueDisclosure Loans, net Residential mortgage-backed securities, debt securities, available for sale, fair value, total us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity Line of Credit Facility, Maximum Borrowing Capacity Financing Receivable, Allowance for Credit Loss [Table Text Block] Financing Receivable, Past Due [Table Text Block] Financing Receivable Credit Quality Indicators [Table Text Block] Deposits [Member] Residential Mortgage-Backed Securities [Member] Interest and fees on loans Assets Measurement Frequency [Axis] Commitments and Contingencies Disclosure [Text Block] Statement [Line Items] Liability Class [Axis] Fair Value Hierarchy and NAV [Axis] Common Stock, Shares Issued (in shares) Common Stock, Shares Authorized (in shares) Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Accrued dividends payable Common stock, $0.10 par value; authorized 15,000,000 shares; Issued: 12,545,792 shares and 12,425,768 shares at June 30, 2026 and December 31, 2025, respectively us-gaap_InterestPayableCurrentAndNoncurrent Accrued interest payable us-gaap_MortgageLoansInProcessOfForeclosureAmount Mortgage Loans in Process of Foreclosure, Amount us-gaap_PolicyTextBlockAbstract Accounting Policies us-gaap_DisclosureTextBlockAbstract Notes to Financial Statements us-gaap_TableTextBlock Notes Tables us-gaap_ComprehensiveIncomeNetOfTax Comprehensive income attributable to the Company us-gaap_ShortTermBorrowings Short-Term Debt Concentration Risk Type [Axis] us-gaap_FederalHomeLoanBankAdvancesLongTerm FHLBNY borrowings Repayments and maturities of investment securities available for sale Repayments and maturities of investment securities held to maturity us-gaap_ProceedsFromSaleOfHeldToMaturitySecurities Proceeds from Sale of Held-to-Maturity Securities us-gaap_DepositsFairValueDisclosure Time deposits Concentration Risk Type [Domain] us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net Standby Letters of Credit [Member] us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityTransfersNet Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Transfers, Net Statement of Stockholders' Equity [Abstract] Statement of Comprehensive Income [Abstract] Statement of Cash Flows [Abstract] Financing Receivable Portfolio Segment [Axis] Single Reportable Segment [Member] Represents the single reportable segment. Shareholders' Equity Equity Components [Axis] Financing Receivable Portfolio Segment [Domain] Proceeds from exercise of stock options Equity Component [Domain] Fair Value Measurements, Nonrecurring [Table Text Block] Fair Value, Inputs, Level 2 [Member] Fair Value, Inputs, Level 3 [Member] Fair Value, Inputs, Level 1 [Member] AOCI Attributable to Parent [Member] Additional Paid-in Capital [Member] Corporate Debt Securities [Member] Retained Earnings [Member] Real Estate [Member] Financial Instrument Performance Status [Domain] Premises and equipment, net Subordinated debentures Financial Asset, Aging [Axis] Financial Instrument Performance Status [Axis] Loans, net of unearned income Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss Financing Receivable, Nonaccrual [Table Text Block] us-gaap_DeferredIncomeTaxAssetsNet Deferred tax asset Financial Asset, Aging [Domain] Provision for credit losses Financial Asset, 30 to 59 Days Past Due [Member] Stock compensation expense OREO expense Other expenses related to investments in other real estate owned. pkbk_BankOwnedLifeInsuranceIncomeIncludingDeathBenefit Increase in value of bank owned life insurance Represents the increase in bank owned life insurance income, including death benefit. Held-to-Maturity, Allowance for Credit Loss us-gaap_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest Less: Allowance for credit losses Financing receivable, allowance for credit losses, balance Financing receivable, allowance for credit losses, balance Financial Asset, 60 to 89 Days Past Due [Member] Financial Asset, Equal to or Greater than 90 Days Past Due [Member] Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Current Fiscal Year Financing Receivable, Excluding Accrued Interest, Prior Year, Originated, Current Fiscal Year Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Current Fiscal Year Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Current Fiscal Year Fair Value Disclosures [Text Block] Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year Fair Value, by Balance Sheet Grouping [Table Text Block] Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Current Fiscal Year Supplemental Disclosure of Cash Flow Information: pkbk_NumberOfAdditionalBranchOfficeLocations Number of Additional Branch Office Locations Represents the number of additional branch office locations. Adjustments and reconciling items Represents adjustments and reconciling items related to segment profit or loss under segment reporting. Financing Receivable, Excluding Accrued Interest, Revolving us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments Net accretion of purchase premiums and discounts on securities Investments in Debt And Equity Instruments, Available-for-Sale and Held to Maturity, Summary [Table Text Block] The tabular disclosure of the summary of investments in debt and equity instruments classified as available-for-sale and held to maturity for the period. Mortgage on Commercial Property Occupied by Owner [Member] Represents a mortgage on commercial property occupied by the owner. Customer Concentration Risk [Member] Construction Portfolio Segment [Member] Represents a construction portfolio segment. Preferred Stock, Series B non-cumulative convertible, Liquidation value (in dollars per share) Mortgages on Residential Properties Occupied by One to Four Families [Member] Represents mortgages on residential properties occupied by one to four families. Mortgage on Commercial Property Occupied by Non Owners [Member] Represents a mortgage on commercial property occupied by non owners. pkbk_NumberOfMortgageLoansInProcessOfForeclosure Number of Mortgage Loans in Process of Foreclosure Represents the number of mortgage loans in the process of foreclosure during the period. us-gaap_MarketableSecurities Total investment securities Mortgage on Residential Properties Occupied by One to Four Families [Member] Represents mortgages on residential properties occupied by one to four families. Real Estate Portfolio Segment [Member] Represents a real estate portfolio segment. Income taxes paid Mortgage on Residential Properties Occupied by Multifamily [Member] Represents mortgages on residential properties occupied by multifamily. Mortgage on Residential Properties Occupied by One to Four Family Investment [Member] Represents a mortgage on residential properties occupied by one to four family investment. Collateral Held [Domain] Collateral Held [Axis] Service fees on deposit accounts Other Commitments [Table] Nonaccrual loans with allowance Amortized cost of financing receivable on nonaccrual status with allowance for credit loss. Excludes net investment in lease. Accumulated other comprehensive loss us-gaap_PaymentsToAcquireInvestments Purchase of investment securities us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest Income before income tax expense Data processing Additional paid-in capital Segment Reporting, Policy [Policy Text Block] Use of Estimates, Policy [Policy Text Block] us-gaap_PaymentsToAcquirePropertyPlantAndEquipment Purchases of bank premises and equipment us-gaap_DebtInstrumentFairValue Borrowings Total non-interest expense Total non-interest expense Non-interest expense Common stock options exercised Financial Asset, Not Past Due [Member] Fair Value, Recurring and Nonrecurring [Table] us-gaap_OffBalanceSheetCreditLossLiability Off-Balance-Sheet, Credit Loss, Liability Common stock options exercised (in shares) us-gaap_UnusedCommitmentsToExtendCredit Unused Commitments to Extend Credit Cash Flows from Operating Activities: Cash Flows from Investing Activities: us-gaap_NetCashProvidedByUsedInOperatingActivities Net cash provided by operating activities Cash Flows from Financing Activities: us-gaap_NetCashProvidedByUsedInInvestingActivities Net cash used in investing activities us-gaap_NetCashProvidedByUsedInFinancingActivities Net cash used in financing activities us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesDebt Proceeds from Sale of Debt Securities, Available-for-Sale Total pkbk_PaymentOfExciseTaxOnTreasuryStock Excise tax payment on purchase of treasury stock Amount of cash outflow from excise tax on treasury stock. Net increase in interest-bearing deposits Accounting Policies [Abstract] Segments [Domain] Segments [Axis] US States and Political Subdivisions Debt Securities [Member] Total loan receivable, net of allowance for credit losses on loans Net loans Net (decrease) increase in noninterest-bearing deposits Income Statement [Abstract] us-gaap_OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal Off-Balance-Sheet, Credit Loss, Liability, Credit Loss Expense (Reversal) Total available for sale, available for sale, amortized cost Corporate debt obligations Investment securities available for sale, at fair value us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted Net income available to diluted common shares us-gaap_NumberOfReportableSegments Number of Reportable Segments Investment securities held to maturity, net of allowance for credit losses us-gaap_TreasuryStockCommonValue Treasury stock, 784,522 shares at June 30, 2026 and December 31, 2025, at cost Treasury Stock, Shares (in shares) Net increase (decrease) in FHLBNY term borrowings Treasury Stock, Common [Member] Net income Net income attributable to the Company Net income available to common shares Net income available to common shareholders Financial Asset, Past Due [Member] us-gaap_InterestIncomeExpenseNet Net interest income Add: Dividend on series B preferred stock us-gaap_ShareRepurchaseProgramExciseTax Excise tax payment on stock repurchase Accounting Standards Update and Change in Accounting Principle [Table] Interest on deposits with banks Occupancy and equipment Other operating expense FDIC insurance and other assessments Bank owned life insurance income Total non-interest income Total non-interest income Non-interest income us-gaap_PaymentsForProceedsFromLoansReceivable Net increase in loans Loans, Notes, Trade and Other Receivables, Excluding Allowance for Credit Losses [Text Block] Other loan fees Measurement Basis [Axis] Debt Securities, Available-for-Sale, Allowance for Credit Loss [Table] us-gaap_NoninterestIncomeOtherOperatingIncome Other Fair Value Hierarchy and NAV [Domain] Loans transferred to OREO Measurement Frequency [Domain] Statement of Financial Position [Abstract] Financing receivable, allowance for credit losses, provision (benefit) Financing receivable, allowance for credit losses, recoveries Other us-gaap_OtherAssets Financing Receivable, Excluding Accrued Interest, Writeoff Financing receivable, allowance fore credit losses, charge-offs Fair Value, Nonrecurring [Member] Professional services Fair Value, Recurring [Member] us-gaap_IncreaseDecreaseInOtherOperatingAssets Increase in accrued interest receivable and other assets Document Type Due after five years through ten years, held to maturity, amortized cost Due after ten years, held to maturity, amortized cost Document Information [Line Items] Document Quarterly Report us-gaap_ConcentrationRiskPercentage1 Concentration Risk, Percentage Due within one year, held to maturity, amortized cost Due after one year through five years, held to maturity, amortized cost Document Information [Table] us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) Dilutive potential common shares (in shares) Entity Interactive Data Current Bank owned life insurance (BOLI) Document Transition Report us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding Diluted (in shares) Diluted weighted-average common shares outstanding (in shares) Earnings per common share Basic weighted-average common shares outstanding (in shares) Basic (in shares) Basic (in dollars per share) Nonaccrual loans past due over 90 days, still accruing Earnings Per Share, Basic, by Common Class, Including Two-Class Method [Table] Nonaccrual loans with no allowance Nonaccrual loans Interest-bearing deposits us-gaap_Deposits Deposits Total deposits Deposits Noninterest-bearing deposits Document Fiscal Period Focus Customer [Domain] Document Fiscal Year Focus Amendment Flag Common Stock [Member] us-gaap_FinancingReceivableUnamortizedLoanCommitmentOriginationFeeAndPremiumDiscount Financing Receivable, Unamortized Loan Cost (Fee) and Purchase Premium (Discount) us-gaap_PaymentsToAcquireFederalHomeLoanBankStock Purchases of restricted stock Redemptions of restricted stock Document Period End Date Other Collateral Held [Member] Represents other collateral held. Collateral Held Business Assets [Member] Represents collateral held business assets. Legal Entity [Axis] Total interest income Total interest income Consumer Portfolio Segment [Member] Financing Receivable, Allowance for Credit Loss [Table] Commercial Portfolio Segment [Member] Entity File Number Entity Tax Identification Number Non-cash Investing and Financing Items Residential mortgage-backed securities, debt securities, available for sale, unrealized loss position, less than 12 months, unrealized losses Residential mortgage-backed securities, debt securities, available for sale, unrealized loss position, twelve months or greater, unrealized losses Entity [Domain] Entity Central Index Key Entity Registrant Name Doubtful [Member] Performing Financial Instruments [Member] Entity Current Reporting Status Substandard [Member] Entity Incorporation, State or Country Code Pass [Member] Current Fiscal Year End Date Entity Filer Category Preferred stock dividend per share (in dollars per share) Entity Shell Company Entity Emerging Growth Company Nonperforming Financial Instruments [Member] Entity Small Business O A E M [Member] Represents OAEM. Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] us-gaap_PreferredStockDividendsIncomeStatementImpact Less: Dividend on series B preferred stock pkbk_NumberOfMajorCustomers Number of Major Customers Represents number of major customers. Interest on borrowings Cannabis-related Loan [Member] Represents cannabis-related loan. Interest bearing deposits with banks Collateral-dependent loans Fair value portion of collateral dependent loans. Cannabis Customers [Member] Represents Cannabis Customers. Municipal Letter of Credit [Member] Represents Municipal Letter of Credit. Interest on deposits Entity Address, State or Province Entity Address, City or Town Two Customers [Member] Represents two customers. Retained earnings Total interest expense Total interest expense Entity Address, Address Line One Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] City Area Code Due after one year through five years, available for sale, amortized cost Due after five years through ten years, available for sale, amortized cost Interest expense: Local Phone Number Due within one year, available for sale, amortized cost Entity Address, Postal Zip Code Preferred Stock [Member] Title of 12(b) Security Security Exchange Name Due after five years through ten years, available for sale, fair value Trading Symbol Due after ten years, available for sale, fair value Due within one year, available for sale, fair value Due after one year through five years, available for sale, fair value Schedule of Collateral-dependent Loans [Table Text Block] Tabular disclosure of collateral dependent loans. Due after ten years, available for sale, amortized cost Class of Stock [Axis] Class of Financing Receivable [Axis] Class of Financing Receivable [Domain] Entity Common Stock, Shares Outstanding pkbk_HeldtomaturityFairValueDisclosure Investment securities HTM Fair value of investment in debt security measured at amortized cost (held-to-maturity). Time Deposits [Member] Represents time deposits. Earnings Per Share [Text Block] us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax Tax impact on unrealized gain (loss) Unrealized gain (loss) on investment securities Other comprehensive loss Total unrealized gain (loss) on investment securities Internal Credit Assessment [Axis] Consolidated net income us-gaap_FairValueDisclosureOffbalanceSheetRisksAmountLiability Fair Value Disclosure, off-Balance-Sheet Risks, Amount, Liability Investment Securities, Held to Maturity, Fair Value us-gaap_InterestIncomeExpenseAfterProvisionForLoanLoss Net interest income after provision for credit losses Investments Classified by Contractual Maturity Date [Table Text Block] Weighted average common shares outstanding Internal Credit Assessment [Domain] Due after five years through ten years, held to maturity, fair value Common stock, par value (in dollars per share) Due after ten years, held to maturity, fair value Due within one year, held to maturity, fair value, held to maturity, amortized cost Due after one year through five years, held to maturity, fair value Other Basis of Accounting, Policy [Policy Text Block] Cash and due from banks us-gaap_CashCashEquivalentsAndFederalFundsSold Cash and cash equivalents us-gaap_Assets Total assets Financing Receivable, Nonaccrual [Table] pkbk_PolicyTable Interest and dividends on investments Diluted (in dollars per share) Customer [Axis] Other real estate owned (OREO) Depreciation and amortization Accounts and Financing Receivables [Table] Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Fair Value by Liability Class [Domain] us-gaap_InterestReceivable Accrued interest receivable Interest paid Financing Receivable, Excluding Accrued Interest, Prior Years, Originated, Current Fiscal Year, Writeoff Financing Receivable, Excluding Accrued Interest, Revolving, Originated, Current Fiscal Year, Writeoff Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Current Fiscal Year, Writeoff Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Current Fiscal Year, Writeoff Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Current Fiscal Year, Writeoff Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Current Fiscal Year, Writeoff Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year, Writeoff us-gaap_StockholdersEquity Total shareholders’ equity Balance Balance us-gaap_PaymentsOfDividendsCommonStock Cash dividends Concentration Risk Benchmark [Axis] Nature of Operation, Product Information, Concentration of Risk [Table] Concentration Risk Benchmark [Domain] ecd_Rule10b51ArrTrmntdFlag Rule 10b5-1 Arrangement Terminated [Flag] ecd_Rule10b51ArrAdoptedFlag Rule 10b5-1 Arrangement Adopted [Flag]