XML 81 R49.htm IDEA: XBRL DOCUMENT v2.4.1.9
Loans (Recorded Investment In Financing Receivable Modified As TDR Within 12 Months) (Details) (USD $)
 3 Months Ended
Mar. 31, 2015
contracts
Mar. 31, 2014
contracts
Dec. 31, 2014
Financing Receivable, Recorded Investment [Line Items]      
Troubled Debt Restructuring, Classification removed   $ 966,000prk_TroubledDebtRestructuringClassificationremoved  
Financing Receivable, Modifications, Number of Contracts, During Period 106prk_FinancingReceivableModificationsNumberOfContractsDuringPeriod 92prk_FinancingReceivableModificationsNumberOfContractsDuringPeriod  
Number of Contracts 64prk_FinancingReceivableModificationsSubsequentDefaultNumberOfContractsDuringPeriod 88prk_FinancingReceivableModificationsSubsequentDefaultNumberOfContractsDuringPeriod  
Recorded Investment 1,116,000prk_FinancingReceivableModificationsSubsequentDefaultRecordedInvestmentDuringPeriod 2,860,000prk_FinancingReceivableModificationsSubsequentDefaultRecordedInvestmentDuringPeriod  
Financing Receivable, Modifications, Recorded Investment, During Period 4,170,000prk_FinancingReceivableModificationsRecordedInvestmentDuringPeriod 2,033,000prk_FinancingReceivableModificationsRecordedInvestmentDuringPeriod  
Troubled Debt Restructuring Included In Nonaccrual Loans 42,600,000prk_TroubledDebtRestructuringIncludedInNonaccrualLoans   47,500,000prk_TroubledDebtRestructuringIncludedInNonaccrualLoans
Nonaccrual Trouble Debt Restructuring Current 18,100,000prk_NonaccrualTroubleDebtRestructuringCurrent   15,700,000prk_NonaccrualTroubleDebtRestructuringCurrent
Construction Real Estate - Installment [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Modifications, Number of Contracts, During Period 0prk_FinancingReceivableModificationsNumberOfContractsDuringPeriod
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_ConstructionRealEstateInstallmentMember		 0prk_FinancingReceivableModificationsNumberOfContractsDuringPeriod
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_ConstructionRealEstateInstallmentMember		  
Commercial Financial And Agricultural [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Modifications, Number of Contracts, During Period 13prk_FinancingReceivableModificationsNumberOfContractsDuringPeriod
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_CommercialFinancialAndAgriculturalMember		 5prk_FinancingReceivableModificationsNumberOfContractsDuringPeriod
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_CommercialFinancialAndAgriculturalMember		  
Number of Contracts 3prk_FinancingReceivableModificationsSubsequentDefaultNumberOfContractsDuringPeriod
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_CommercialFinancialAndAgriculturalMember		 7prk_FinancingReceivableModificationsSubsequentDefaultNumberOfContractsDuringPeriod
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_CommercialFinancialAndAgriculturalMember		  
Recorded Investment 70,000prk_FinancingReceivableModificationsSubsequentDefaultRecordedInvestmentDuringPeriod
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_CommercialFinancialAndAgriculturalMember		 89,000prk_FinancingReceivableModificationsSubsequentDefaultRecordedInvestmentDuringPeriod
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_CommercialFinancialAndAgriculturalMember		  
Financing Receivable, Modifications, Recorded Investment, During Period 995,000prk_FinancingReceivableModificationsRecordedInvestmentDuringPeriod
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_CommercialFinancialAndAgriculturalMember		 60,000prk_FinancingReceivableModificationsRecordedInvestmentDuringPeriod
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_CommercialFinancialAndAgriculturalMember		  
SEPH Commercial Land and Development [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Modifications, Number of Contracts, During Period 0prk_FinancingReceivableModificationsNumberOfContractsDuringPeriod
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_SephCommercialLandAndDevelopmentMember		 0prk_FinancingReceivableModificationsNumberOfContractsDuringPeriod
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_SephCommercialLandAndDevelopmentMember		  
Number of Contracts 0prk_FinancingReceivableModificationsSubsequentDefaultNumberOfContractsDuringPeriod
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_SephCommercialLandAndDevelopmentMember		 0prk_FinancingReceivableModificationsSubsequentDefaultNumberOfContractsDuringPeriod
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_SephCommercialLandAndDevelopmentMember		  
Construction Real Estate - Remaining Commercial [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Modifications, Number of Contracts, During Period 0prk_FinancingReceivableModificationsNumberOfContractsDuringPeriod
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_ConstructionRealEstateRemainingCommercialMember		 0prk_FinancingReceivableModificationsNumberOfContractsDuringPeriod
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_ConstructionRealEstateRemainingCommercialMember		  
Number of Contracts 0prk_FinancingReceivableModificationsSubsequentDefaultNumberOfContractsDuringPeriod
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_ConstructionRealEstateRemainingCommercialMember		 0prk_FinancingReceivableModificationsSubsequentDefaultNumberOfContractsDuringPeriod
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_ConstructionRealEstateRemainingCommercialMember		  
Residential Real Estate - Commercial [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Modifications, Number of Contracts, During Period 3prk_FinancingReceivableModificationsNumberOfContractsDuringPeriod
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_ResidentialRealEstateCommercialMember		 2prk_FinancingReceivableModificationsNumberOfContractsDuringPeriod
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_ResidentialRealEstateCommercialMember		  
Number of Contracts 0prk_FinancingReceivableModificationsSubsequentDefaultNumberOfContractsDuringPeriod
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_ResidentialRealEstateCommercialMember		 2prk_FinancingReceivableModificationsSubsequentDefaultNumberOfContractsDuringPeriod
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_ResidentialRealEstateCommercialMember		  
Recorded Investment   302,000prk_FinancingReceivableModificationsSubsequentDefaultRecordedInvestmentDuringPeriod
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_ResidentialRealEstateCommercialMember		  
Financing Receivable, Modifications, Recorded Investment, During Period 513,000prk_FinancingReceivableModificationsRecordedInvestmentDuringPeriod
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_ResidentialRealEstateCommercialMember		 68,000prk_FinancingReceivableModificationsRecordedInvestmentDuringPeriod
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_ResidentialRealEstateCommercialMember		  
Residential Real Estate - Mortgage [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Modifications, Number of Contracts, During Period 7prk_FinancingReceivableModificationsNumberOfContractsDuringPeriod
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_ResidentialRealEstateMortgageMember		 7prk_FinancingReceivableModificationsNumberOfContractsDuringPeriod
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_ResidentialRealEstateMortgageMember		  
Number of Contracts 13prk_FinancingReceivableModificationsSubsequentDefaultNumberOfContractsDuringPeriod
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_ResidentialRealEstateMortgageMember		 19prk_FinancingReceivableModificationsSubsequentDefaultNumberOfContractsDuringPeriod
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_ResidentialRealEstateMortgageMember		  
Recorded Investment 689,000prk_FinancingReceivableModificationsSubsequentDefaultRecordedInvestmentDuringPeriod
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_ResidentialRealEstateMortgageMember		 1,144,000prk_FinancingReceivableModificationsSubsequentDefaultRecordedInvestmentDuringPeriod
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_ResidentialRealEstateMortgageMember		  
Financing Receivable, Modifications, Recorded Investment, During Period 534,000prk_FinancingReceivableModificationsRecordedInvestmentDuringPeriod
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_ResidentialRealEstateMortgageMember		 659,000prk_FinancingReceivableModificationsRecordedInvestmentDuringPeriod
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_ResidentialRealEstateMortgageMember		  
Residential Real Estate - HELOC [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Modifications, Number of Contracts, During Period 10prk_FinancingReceivableModificationsNumberOfContractsDuringPeriod
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_ResidentialRealEstateHomeEquityLineOfCreditMember		 0prk_FinancingReceivableModificationsNumberOfContractsDuringPeriod
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_ResidentialRealEstateHomeEquityLineOfCreditMember		  
Number of Contracts 0prk_FinancingReceivableModificationsSubsequentDefaultNumberOfContractsDuringPeriod
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_ResidentialRealEstateHomeEquityLineOfCreditMember		 0prk_FinancingReceivableModificationsSubsequentDefaultNumberOfContractsDuringPeriod
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_ResidentialRealEstateHomeEquityLineOfCreditMember		  
Financing Receivable, Modifications, Recorded Investment, During Period 301,000prk_FinancingReceivableModificationsRecordedInvestmentDuringPeriod
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_ResidentialRealEstateHomeEquityLineOfCreditMember		 0prk_FinancingReceivableModificationsRecordedInvestmentDuringPeriod
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_ResidentialRealEstateHomeEquityLineOfCreditMember		  
Construction Real Estate - Mortgage [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Modifications, Number of Contracts, During Period 1prk_FinancingReceivableModificationsNumberOfContractsDuringPeriod
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_ConstructionRealEstateMortgageMember		 0prk_FinancingReceivableModificationsNumberOfContractsDuringPeriod
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_ConstructionRealEstateMortgageMember		  
Financing Receivable, Modifications, Recorded Investment, During Period 21,000prk_FinancingReceivableModificationsRecordedInvestmentDuringPeriod
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_ConstructionRealEstateMortgageMember		    
Residential Real Estate - Installment [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Modifications, Recorded Investment, During Period   72,000prk_FinancingReceivableModificationsRecordedInvestmentDuringPeriod
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_ResidentialRealEstateInstallmentMember		  
Consumer Portfolio Segment [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Modifications, Number of Contracts, During Period 66prk_FinancingReceivableModificationsNumberOfContractsDuringPeriod
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerPortfolioSegmentMember		 71prk_FinancingReceivableModificationsNumberOfContractsDuringPeriod
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerPortfolioSegmentMember		  
Financing Receivable, Modifications, Recorded Investment, During Period 492,000prk_FinancingReceivableModificationsRecordedInvestmentDuringPeriod
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerPortfolioSegmentMember		 490,000prk_FinancingReceivableModificationsRecordedInvestmentDuringPeriod
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerPortfolioSegmentMember		  
Commercial Real Estate [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Modifications, Number of Contracts, During Period 6prk_FinancingReceivableModificationsNumberOfContractsDuringPeriod
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember		 3prk_FinancingReceivableModificationsNumberOfContractsDuringPeriod
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember		  
Number of Contracts 0prk_FinancingReceivableModificationsSubsequentDefaultNumberOfContractsDuringPeriod
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember		 5prk_FinancingReceivableModificationsSubsequentDefaultNumberOfContractsDuringPeriod
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember		  
Recorded Investment   872,000prk_FinancingReceivableModificationsSubsequentDefaultRecordedInvestmentDuringPeriod
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember		  
Financing Receivable, Modifications, Recorded Investment, During Period 1,314,000prk_FinancingReceivableModificationsRecordedInvestmentDuringPeriod
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember		 684,000prk_FinancingReceivableModificationsRecordedInvestmentDuringPeriod
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember		  
Construction Real Estate - Mortgage [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Number of Contracts 0prk_FinancingReceivableModificationsSubsequentDefaultNumberOfContractsDuringPeriod
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= prk_ConstructionRealEstateMortgageMember		 0prk_FinancingReceivableModificationsSubsequentDefaultNumberOfContractsDuringPeriod
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= prk_ConstructionRealEstateMortgageMember		  
Recorded Investment 0prk_FinancingReceivableModificationsSubsequentDefaultRecordedInvestmentDuringPeriod
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= prk_ConstructionRealEstateMortgageMember		 0prk_FinancingReceivableModificationsSubsequentDefaultRecordedInvestmentDuringPeriod
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= prk_ConstructionRealEstateMortgageMember		  
Construction Real Estate - Installment [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Number of Contracts 0prk_FinancingReceivableModificationsSubsequentDefaultNumberOfContractsDuringPeriod
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= prk_ConstructionRealEstateInstallmentMember		 0prk_FinancingReceivableModificationsSubsequentDefaultNumberOfContractsDuringPeriod
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= prk_ConstructionRealEstateInstallmentMember		  
Recorded Investment 0prk_FinancingReceivableModificationsSubsequentDefaultRecordedInvestmentDuringPeriod
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= prk_ConstructionRealEstateInstallmentMember		 0prk_FinancingReceivableModificationsSubsequentDefaultRecordedInvestmentDuringPeriod
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= prk_ConstructionRealEstateInstallmentMember		  
Residential Real Estate - Installment [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Modifications, Number of Contracts, During Period 0prk_FinancingReceivableModificationsNumberOfContractsDuringPeriod
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= prk_ResidentialRealEstateInstallmentMember		 4prk_FinancingReceivableModificationsNumberOfContractsDuringPeriod
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= prk_ResidentialRealEstateInstallmentMember		  
Number of Contracts 1prk_FinancingReceivableModificationsSubsequentDefaultNumberOfContractsDuringPeriod
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= prk_ResidentialRealEstateInstallmentMember		 6prk_FinancingReceivableModificationsSubsequentDefaultNumberOfContractsDuringPeriod
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= prk_ResidentialRealEstateInstallmentMember		  
Recorded Investment 8,000prk_FinancingReceivableModificationsSubsequentDefaultRecordedInvestmentDuringPeriod
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= prk_ResidentialRealEstateInstallmentMember		 108,000prk_FinancingReceivableModificationsSubsequentDefaultRecordedInvestmentDuringPeriod
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= prk_ResidentialRealEstateInstallmentMember		  
Consumer Loan [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Number of Contracts 47prk_FinancingReceivableModificationsSubsequentDefaultNumberOfContractsDuringPeriod
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerLoanMember		 49prk_FinancingReceivableModificationsSubsequentDefaultNumberOfContractsDuringPeriod
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerLoanMember		  
Recorded Investment 349,000prk_FinancingReceivableModificationsSubsequentDefaultRecordedInvestmentDuringPeriod
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerLoanMember		 345,000prk_FinancingReceivableModificationsSubsequentDefaultRecordedInvestmentDuringPeriod
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerLoanMember		  
Finance Leases Financing Receivable [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Number of Contracts 0prk_FinancingReceivableModificationsSubsequentDefaultNumberOfContractsDuringPeriod
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_FinanceLeasesFinancingReceivableMember		 0prk_FinancingReceivableModificationsSubsequentDefaultNumberOfContractsDuringPeriod
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_FinanceLeasesFinancingReceivableMember		  
Recorded Investment 0prk_FinancingReceivableModificationsSubsequentDefaultRecordedInvestmentDuringPeriod
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
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/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_FinanceLeasesFinancingReceivableMember		  
Accruing Financing Receivable Modifications [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Modifications, Recorded Investment, During Period 948,000prk_FinancingReceivableModificationsRecordedInvestmentDuringPeriod
/ prk_TroubledDebtRestructuringRecordedInvestmentTypeAxis
= prk_AccruingFinancingReceivableModificationsMember		 743,000prk_FinancingReceivableModificationsRecordedInvestmentDuringPeriod
/ prk_TroubledDebtRestructuringRecordedInvestmentTypeAxis
= prk_AccruingFinancingReceivableModificationsMember		  
Accruing Financing Receivable Modifications [Member] | Construction Real Estate - Installment [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Modifications, Recorded Investment, During Period 0prk_FinancingReceivableModificationsRecordedInvestmentDuringPeriod
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= prk_ConstructionRealEstateInstallmentMember
/ prk_TroubledDebtRestructuringRecordedInvestmentTypeAxis
= prk_AccruingFinancingReceivableModificationsMember		  
Accruing Financing Receivable Modifications [Member] | Commercial Financial And Agricultural [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Modifications, Recorded Investment, During Period 398,000prk_FinancingReceivableModificationsRecordedInvestmentDuringPeriod
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= prk_CommercialFinancialAndAgriculturalMember
/ prk_TroubledDebtRestructuringRecordedInvestmentTypeAxis
= prk_AccruingFinancingReceivableModificationsMember		    
Accruing Financing Receivable Modifications [Member] | Residential Real Estate - Mortgage [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Modifications, Recorded Investment, During Period 328,000prk_FinancingReceivableModificationsRecordedInvestmentDuringPeriod
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_ResidentialRealEstateMortgageMember
/ prk_TroubledDebtRestructuringRecordedInvestmentTypeAxis
= prk_AccruingFinancingReceivableModificationsMember		 164,000prk_FinancingReceivableModificationsRecordedInvestmentDuringPeriod
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= prk_ResidentialRealEstateMortgageMember
/ prk_TroubledDebtRestructuringRecordedInvestmentTypeAxis
= prk_AccruingFinancingReceivableModificationsMember		  
Accruing Financing Receivable Modifications [Member] | Residential Real Estate - HELOC [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Modifications, Recorded Investment, During Period 193,000prk_FinancingReceivableModificationsRecordedInvestmentDuringPeriod
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_ResidentialRealEstateHomeEquityLineOfCreditMember
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/ prk_TroubledDebtRestructuringRecordedInvestmentTypeAxis
= prk_AccruingFinancingReceivableModificationsMember		  
Accruing Financing Receivable Modifications [Member] | Construction Real Estate - Mortgage [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Modifications, Recorded Investment, During Period 0prk_FinancingReceivableModificationsRecordedInvestmentDuringPeriod
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= prk_ConstructionRealEstateMortgageMember
/ prk_TroubledDebtRestructuringRecordedInvestmentTypeAxis
= prk_AccruingFinancingReceivableModificationsMember		  
Accruing Financing Receivable Modifications [Member] | Residential Real Estate - Installment [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Modifications, Recorded Investment, During Period   36,000prk_FinancingReceivableModificationsRecordedInvestmentDuringPeriod
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_ResidentialRealEstateInstallmentMember
/ prk_TroubledDebtRestructuringRecordedInvestmentTypeAxis
= prk_AccruingFinancingReceivableModificationsMember		  
Accruing Financing Receivable Modifications [Member] | Consumer Portfolio Segment [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Modifications, Recorded Investment, During Period 29,000prk_FinancingReceivableModificationsRecordedInvestmentDuringPeriod
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerPortfolioSegmentMember
/ prk_TroubledDebtRestructuringRecordedInvestmentTypeAxis
= prk_AccruingFinancingReceivableModificationsMember		 382,000prk_FinancingReceivableModificationsRecordedInvestmentDuringPeriod
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= us-gaap_ConsumerPortfolioSegmentMember
/ prk_TroubledDebtRestructuringRecordedInvestmentTypeAxis
= prk_AccruingFinancingReceivableModificationsMember		  
Accruing Financing Receivable Modifications [Member] | Commercial Real Estate [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Modifications, Recorded Investment, During Period   161,000prk_FinancingReceivableModificationsRecordedInvestmentDuringPeriod
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
/ prk_TroubledDebtRestructuringRecordedInvestmentTypeAxis
= prk_AccruingFinancingReceivableModificationsMember		  
Nonaccruing Financing Receivable Modifications [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Financing Receivable, Modifications, Recorded Investment, During Period 3,222,000prk_FinancingReceivableModificationsRecordedInvestmentDuringPeriod
/ prk_TroubledDebtRestructuringRecordedInvestmentTypeAxis
= prk_NonaccruingFinancingReceivableModificationsMember		 1,290,000prk_FinancingReceivableModificationsRecordedInvestmentDuringPeriod
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Nonaccruing Financing Receivable Modifications [Member] | Commercial Financial And Agricultural [Member]      
Financing Receivable, Recorded Investment [Line Items]      
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Nonaccruing Financing Receivable Modifications [Member] | Residential Real Estate - Commercial [Member]      
Financing Receivable, Recorded Investment [Line Items]      
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Nonaccruing Financing Receivable Modifications [Member] | Residential Real Estate - Mortgage [Member]      
Financing Receivable, Recorded Investment [Line Items]      
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Nonaccruing Financing Receivable Modifications [Member] | Residential Real Estate - HELOC [Member]      
Financing Receivable, Recorded Investment [Line Items]      
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Nonaccruing Financing Receivable Modifications [Member] | Construction Real Estate - Mortgage [Member]      
Financing Receivable, Recorded Investment [Line Items]      
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Nonaccruing Financing Receivable Modifications [Member] | Residential Real Estate - Installment [Member]      
Financing Receivable, Recorded Investment [Line Items]      
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Nonaccruing Financing Receivable Modifications [Member] | Consumer Portfolio Segment [Member]      
Financing Receivable, Recorded Investment [Line Items]      
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Nonaccruing Financing Receivable Modifications [Member] | Commercial Real Estate [Member]      
Financing Receivable, Recorded Investment [Line Items]      
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