Name:	pkbk_LoanOriginationAndRiskManagementAbstract
Namespace Prefix:	pkbk_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

This item represents the outstanding principal balance of the entity's commercial real estate loans were secured by owner-occupied properties.

No definition available.

Name:	pkbk_OutstandingPrincipalBalance
Namespace Prefix:	pkbk_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

This item represents the amount of loan as a percentage of value of the property as stipulated in the underwriting standards influenced by statutory requirements.

No definition available.

Name:	pkbk_PercentageOfLoanToValueOfProperties
Namespace Prefix:	pkbk_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

Represents the percentage of loan amount over total amount of loans outstanding as at balance sheet date.

No definition available.

Name:	pkbk_PercentageOfLoans
Namespace Prefix:	pkbk_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- References

No definition available.

Name:	pkbk_PortfolioOfLoansOutstandingAbstract
Namespace Prefix:	pkbk_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=82891408&loc=d3e4428-111522

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5074-111524

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

The carrying amount, as of the date of the latest financial statement presented, of loans receivable which are owned but transferred to serve as collateral for the payment of FHLB debt obligations, and for which the transferee is not permitted to sell or re-pledge them to an unrelated party.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 30
-Section 50
-Paragraph 1A
-Subparagraph (b)(1)(i)
-URI http://asc.fasb.org/extlink&oid=64858031&loc=SL6224234-111729

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

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialPortfolioSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=pkbk_RealEstatePortfolioSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_ConstructionLoansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_CollateralAxis=us-gaap_ResidentialRealEstateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_CollateralAxis=us-gaap_CommercialRealEstateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_RealEstateLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_CollateralAxis=pkbk_MortgageOnCommercialPropertyOccupiedByOwnerMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_CollateralAxis=pkbk_MortgageOnCommercialPropertyOccupiedByNonOwnersMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_CollateralAxis=pkbk_MortgageOnResidentialPropertiesOccupiedByOneToFourFamiliesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_CollateralAxis=pkbk_MortgageOnResidentialPropertiesOccupiedByMultifamilyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: