XML 40 R44.htm IDEA: XBRL DOCUMENT v2.4.1.9
Loans (Loans Individually Evaluated For Impairment By Class Of Loans) (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2015
Dec. 31, 2014
Mar. 31, 2014
Financing Receivable, Impaired [Line Items]      
Unpaid principal balance $ 96,235us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance $ 106,156us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance  
Recorded investment 70,492us-gaap_ImpairedFinancingReceivableRecordedInvestment 73,712us-gaap_ImpairedFinancingReceivableRecordedInvestment 105,873us-gaap_ImpairedFinancingReceivableRecordedInvestment
Allowance for loan losses allocated 5,064us-gaap_ImpairedFinancingReceivableRelatedAllowance 3,660us-gaap_ImpairedFinancingReceivableRelatedAllowance  
Commercial Financial And Agricultural [Member]      
Financing Receivable, Impaired [Line Items]      
Recorded investment 20,571us-gaap_ImpairedFinancingReceivableRecordedInvestment
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_CommercialFinancialAndAgriculturalMember		   19,835us-gaap_ImpairedFinancingReceivableRecordedInvestment
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_CommercialFinancialAndAgriculturalMember
Commercial Financial And Agricultural [Member] | Financing Receivable With No Related Allowance Recorded [Member]      
Financing Receivable, Impaired [Line Items]      
Unpaid principal balance 25,671us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_CommercialFinancialAndAgriculturalMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= prk_FinancingReceivableWithNoRelatedAllowanceRecordedMember		 30,601us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_CommercialFinancialAndAgriculturalMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= prk_FinancingReceivableWithNoRelatedAllowanceRecordedMember		  
Recorded investment 17,301us-gaap_ImpairedFinancingReceivableRecordedInvestment
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_CommercialFinancialAndAgriculturalMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= prk_FinancingReceivableWithNoRelatedAllowanceRecordedMember		 17,883us-gaap_ImpairedFinancingReceivableRecordedInvestment
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_CommercialFinancialAndAgriculturalMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= prk_FinancingReceivableWithNoRelatedAllowanceRecordedMember		  
Allowance for loan losses allocated 0us-gaap_ImpairedFinancingReceivableRelatedAllowance
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_CommercialFinancialAndAgriculturalMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= prk_FinancingReceivableWithNoRelatedAllowanceRecordedMember		 0us-gaap_ImpairedFinancingReceivableRelatedAllowance
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_CommercialFinancialAndAgriculturalMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= prk_FinancingReceivableWithNoRelatedAllowanceRecordedMember		  
Commercial Financial And Agricultural [Member] | Financing Receivable With A Related Allowance Recorded [Member]      
Financing Receivable, Impaired [Line Items]      
Unpaid principal balance 7,444us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_CommercialFinancialAndAgriculturalMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= prk_FinancingReceivableWithRelatedAllowanceRecordedMember		 1,251us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_CommercialFinancialAndAgriculturalMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= prk_FinancingReceivableWithRelatedAllowanceRecordedMember		  
Recorded investment 3,270us-gaap_ImpairedFinancingReceivableRecordedInvestment
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_CommercialFinancialAndAgriculturalMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= prk_FinancingReceivableWithRelatedAllowanceRecordedMember		 1,223us-gaap_ImpairedFinancingReceivableRecordedInvestment
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_CommercialFinancialAndAgriculturalMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= prk_FinancingReceivableWithRelatedAllowanceRecordedMember		  
Allowance for loan losses allocated 1,839us-gaap_ImpairedFinancingReceivableRelatedAllowance
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_CommercialFinancialAndAgriculturalMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= prk_FinancingReceivableWithRelatedAllowanceRecordedMember		 981us-gaap_ImpairedFinancingReceivableRelatedAllowance
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_CommercialFinancialAndAgriculturalMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= prk_FinancingReceivableWithRelatedAllowanceRecordedMember		  
Construction Real Estate, SEPH Commercial Land and Development [Member]      
Financing Receivable, Impaired [Line Items]      
Recorded investment 2,077us-gaap_ImpairedFinancingReceivableRecordedInvestment
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_ConstructionRealEstateSephCommercialLandAndDevelopmentMember		   4,102us-gaap_ImpairedFinancingReceivableRecordedInvestment
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_ConstructionRealEstateSephCommercialLandAndDevelopmentMember
Construction Real Estate, SEPH Commercial Land and Development [Member] | Financing Receivable With No Related Allowance Recorded [Member]      
Financing Receivable, Impaired [Line Items]      
Unpaid principal balance 10,861us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_ConstructionRealEstateSephCommercialLandAndDevelopmentMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= prk_FinancingReceivableWithNoRelatedAllowanceRecordedMember		 11,026us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_ConstructionRealEstateSephCommercialLandAndDevelopmentMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= prk_FinancingReceivableWithNoRelatedAllowanceRecordedMember		  
Recorded investment 2,077us-gaap_ImpairedFinancingReceivableRecordedInvestment
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_ConstructionRealEstateSephCommercialLandAndDevelopmentMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= prk_FinancingReceivableWithNoRelatedAllowanceRecordedMember		 2,078us-gaap_ImpairedFinancingReceivableRecordedInvestment
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_ConstructionRealEstateSephCommercialLandAndDevelopmentMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= prk_FinancingReceivableWithNoRelatedAllowanceRecordedMember		  
Allowance for loan losses allocated 0us-gaap_ImpairedFinancingReceivableRelatedAllowance
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_ConstructionRealEstateSephCommercialLandAndDevelopmentMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= prk_FinancingReceivableWithNoRelatedAllowanceRecordedMember		 0us-gaap_ImpairedFinancingReceivableRelatedAllowance
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_ConstructionRealEstateSephCommercialLandAndDevelopmentMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= prk_FinancingReceivableWithNoRelatedAllowanceRecordedMember		  
Construction Real Estate, SEPH Commercial Land and Development [Member] | Financing Receivable With A Related Allowance Recorded [Member]      
Financing Receivable, Impaired [Line Items]      
Unpaid principal balance 0us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_ConstructionRealEstateSephCommercialLandAndDevelopmentMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= prk_FinancingReceivableWithRelatedAllowanceRecordedMember		    
Recorded investment 0us-gaap_ImpairedFinancingReceivableRecordedInvestment
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_ConstructionRealEstateSephCommercialLandAndDevelopmentMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= prk_FinancingReceivableWithRelatedAllowanceRecordedMember		    
Allowance for loan losses allocated 0us-gaap_ImpairedFinancingReceivableRelatedAllowance
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_ConstructionRealEstateSephCommercialLandAndDevelopmentMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= prk_FinancingReceivableWithRelatedAllowanceRecordedMember		 0us-gaap_ImpairedFinancingReceivableRelatedAllowance
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_ConstructionRealEstateSephCommercialLandAndDevelopmentMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= prk_FinancingReceivableWithRelatedAllowanceRecordedMember		  
Construction Real Estate - Remaining Commercial [Member]      
Financing Receivable, Impaired [Line Items]      
Recorded investment 5,725us-gaap_ImpairedFinancingReceivableRecordedInvestment
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_ConstructionRealEstateRemainingCommercialMember		   10,530us-gaap_ImpairedFinancingReceivableRecordedInvestment
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_ConstructionRealEstateRemainingCommercialMember
Construction Real Estate - Remaining Commercial [Member] | Financing Receivable With No Related Allowance Recorded [Member]      
Financing Receivable, Impaired [Line Items]      
Unpaid principal balance 1,432us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_ConstructionRealEstateRemainingCommercialMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= prk_FinancingReceivableWithNoRelatedAllowanceRecordedMember		 1,427us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_ConstructionRealEstateRemainingCommercialMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= prk_FinancingReceivableWithNoRelatedAllowanceRecordedMember		  
Recorded investment 444us-gaap_ImpairedFinancingReceivableRecordedInvestment
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_ConstructionRealEstateRemainingCommercialMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= prk_FinancingReceivableWithNoRelatedAllowanceRecordedMember		 391us-gaap_ImpairedFinancingReceivableRecordedInvestment
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_ConstructionRealEstateRemainingCommercialMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= prk_FinancingReceivableWithNoRelatedAllowanceRecordedMember		  
Allowance for loan losses allocated 0us-gaap_ImpairedFinancingReceivableRelatedAllowance
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_ConstructionRealEstateRemainingCommercialMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= prk_FinancingReceivableWithNoRelatedAllowanceRecordedMember		 0us-gaap_ImpairedFinancingReceivableRelatedAllowance
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_ConstructionRealEstateRemainingCommercialMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= prk_FinancingReceivableWithNoRelatedAllowanceRecordedMember		  
Construction Real Estate - Remaining Commercial [Member] | Financing Receivable With A Related Allowance Recorded [Member]      
Financing Receivable, Impaired [Line Items]      
Unpaid principal balance 5,281us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_ConstructionRealEstateRemainingCommercialMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= prk_FinancingReceivableWithRelatedAllowanceRecordedMember		 5,218us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_ConstructionRealEstateRemainingCommercialMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= prk_FinancingReceivableWithRelatedAllowanceRecordedMember		  
Recorded investment 5,281us-gaap_ImpairedFinancingReceivableRecordedInvestment
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_ConstructionRealEstateRemainingCommercialMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= prk_FinancingReceivableWithRelatedAllowanceRecordedMember		 5,218us-gaap_ImpairedFinancingReceivableRecordedInvestment
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_ConstructionRealEstateRemainingCommercialMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= prk_FinancingReceivableWithRelatedAllowanceRecordedMember		  
Allowance for loan losses allocated 2,157us-gaap_ImpairedFinancingReceivableRelatedAllowance
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_ConstructionRealEstateRemainingCommercialMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= prk_FinancingReceivableWithRelatedAllowanceRecordedMember		 1,812us-gaap_ImpairedFinancingReceivableRelatedAllowance
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_ConstructionRealEstateRemainingCommercialMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= prk_FinancingReceivableWithRelatedAllowanceRecordedMember		  
Residential Real Estate - Commercial [Member]      
Financing Receivable, Impaired [Line Items]      
Recorded investment 25,219us-gaap_ImpairedFinancingReceivableRecordedInvestment
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_ResidentialRealEstateCommercialMember		   31,213us-gaap_ImpairedFinancingReceivableRecordedInvestment
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_ResidentialRealEstateCommercialMember
Residential Real Estate - Commercial [Member] | Financing Receivable With No Related Allowance Recorded [Member]      
Financing Receivable, Impaired [Line Items]      
Unpaid principal balance 25,770us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_ResidentialRealEstateCommercialMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= prk_FinancingReceivableWithNoRelatedAllowanceRecordedMember		 25,822us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_ResidentialRealEstateCommercialMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= prk_FinancingReceivableWithNoRelatedAllowanceRecordedMember		  
Recorded investment 23,852us-gaap_ImpairedFinancingReceivableRecordedInvestment
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_ResidentialRealEstateCommercialMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= prk_FinancingReceivableWithNoRelatedAllowanceRecordedMember		 23,352us-gaap_ImpairedFinancingReceivableRecordedInvestment
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_ResidentialRealEstateCommercialMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= prk_FinancingReceivableWithNoRelatedAllowanceRecordedMember		  
Allowance for loan losses allocated 0us-gaap_ImpairedFinancingReceivableRelatedAllowance
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_ResidentialRealEstateCommercialMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= prk_FinancingReceivableWithNoRelatedAllowanceRecordedMember		 0us-gaap_ImpairedFinancingReceivableRelatedAllowance
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_ResidentialRealEstateCommercialMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= prk_FinancingReceivableWithNoRelatedAllowanceRecordedMember		  
Residential Real Estate - Commercial [Member] | Financing Receivable With A Related Allowance Recorded [Member]      
Financing Receivable, Impaired [Line Items]      
Unpaid principal balance 1,394us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_ResidentialRealEstateCommercialMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= prk_FinancingReceivableWithRelatedAllowanceRecordedMember		 1,578us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_ResidentialRealEstateCommercialMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= prk_FinancingReceivableWithRelatedAllowanceRecordedMember		  
Recorded investment 1,367us-gaap_ImpairedFinancingReceivableRecordedInvestment
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_ResidentialRealEstateCommercialMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= prk_FinancingReceivableWithRelatedAllowanceRecordedMember		 1,578us-gaap_ImpairedFinancingReceivableRecordedInvestment
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_ResidentialRealEstateCommercialMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= prk_FinancingReceivableWithRelatedAllowanceRecordedMember		  
Allowance for loan losses allocated 423us-gaap_ImpairedFinancingReceivableRelatedAllowance
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_ResidentialRealEstateCommercialMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= prk_FinancingReceivableWithRelatedAllowanceRecordedMember		 605us-gaap_ImpairedFinancingReceivableRelatedAllowance
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= prk_ResidentialRealEstateCommercialMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= prk_FinancingReceivableWithRelatedAllowanceRecordedMember		  
Commercial Real Estate [Member]      
Financing Receivable, Impaired [Line Items]      
Recorded investment 16,900us-gaap_ImpairedFinancingReceivableRecordedInvestment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember		   39,395us-gaap_ImpairedFinancingReceivableRecordedInvestment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
Commercial Real Estate [Member] | Financing Receivable With No Related Allowance Recorded [Member]      
Financing Receivable, Impaired [Line Items]      
Unpaid principal balance 16,963us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= prk_FinancingReceivableWithNoRelatedAllowanceRecordedMember		 27,923us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= prk_FinancingReceivableWithNoRelatedAllowanceRecordedMember		  
Recorded investment 15,513us-gaap_ImpairedFinancingReceivableRecordedInvestment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= prk_FinancingReceivableWithNoRelatedAllowanceRecordedMember		 20,696us-gaap_ImpairedFinancingReceivableRecordedInvestment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= prk_FinancingReceivableWithNoRelatedAllowanceRecordedMember		  
Allowance for loan losses allocated 0us-gaap_ImpairedFinancingReceivableRelatedAllowance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= prk_FinancingReceivableWithNoRelatedAllowanceRecordedMember		 0us-gaap_ImpairedFinancingReceivableRelatedAllowance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= prk_FinancingReceivableWithNoRelatedAllowanceRecordedMember		  
Commercial Real Estate [Member] | Financing Receivable With A Related Allowance Recorded [Member]      
Financing Receivable, Impaired [Line Items]      
Unpaid principal balance 1,419us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= prk_FinancingReceivableWithRelatedAllowanceRecordedMember		 1,310us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= prk_FinancingReceivableWithRelatedAllowanceRecordedMember		  
Recorded investment 1,387us-gaap_ImpairedFinancingReceivableRecordedInvestment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= prk_FinancingReceivableWithRelatedAllowanceRecordedMember		 1,293us-gaap_ImpairedFinancingReceivableRecordedInvestment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= prk_FinancingReceivableWithRelatedAllowanceRecordedMember		  
Allowance for loan losses allocated 645us-gaap_ImpairedFinancingReceivableRelatedAllowance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= prk_FinancingReceivableWithRelatedAllowanceRecordedMember		 262us-gaap_ImpairedFinancingReceivableRelatedAllowance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= prk_FinancingReceivableWithRelatedAllowanceRecordedMember		  
Consumer [Member]      
Financing Receivable, Impaired [Line Items]      
Recorded investment     798us-gaap_ImpairedFinancingReceivableRecordedInvestment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerPortfolioSegmentMember
Consumer [Member] | Financing Receivable With No Related Allowance Recorded [Member]      
Financing Receivable, Impaired [Line Items]      
Allowance for loan losses allocated 0us-gaap_ImpairedFinancingReceivableRelatedAllowance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerPortfolioSegmentMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= prk_FinancingReceivableWithNoRelatedAllowanceRecordedMember		 0us-gaap_ImpairedFinancingReceivableRelatedAllowance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerPortfolioSegmentMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= prk_FinancingReceivableWithNoRelatedAllowanceRecordedMember		  
Consumer [Member] | Financing Receivable With A Related Allowance Recorded [Member]      
Financing Receivable, Impaired [Line Items]      
Unpaid principal balance 0us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerPortfolioSegmentMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= prk_FinancingReceivableWithRelatedAllowanceRecordedMember		 0us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerPortfolioSegmentMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= prk_FinancingReceivableWithRelatedAllowanceRecordedMember		  
Recorded investment 0us-gaap_ImpairedFinancingReceivableRecordedInvestment
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Allowance for loan losses allocated $ 0us-gaap_ImpairedFinancingReceivableRelatedAllowance
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