XML 78 R51.htm IDEA: XBRL DOCUMENT v2.4.1.9
Allowance For Loan Losses (Composition Of The Allowance For Loan Losses) (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2015
Dec. 31, 2014
Financing Receivable, Allowance for Credit Losses [Line Items]    
Allowance for loan losses individually evaluated for impairment $ 5,064us-gaap_FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1 $ 3,660us-gaap_FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1
Allowance for loan losses collectively evaluated for impairment 50,344us-gaap_FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment 50,692us-gaap_FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment
Total ending allowance balance 55,408us-gaap_FinancingReceivableAllowanceForCreditLosses 54,352us-gaap_FinancingReceivableAllowanceForCreditLosses
Loans individually evaluated for impairment 70,461us-gaap_FinancingReceivableIndividuallyEvaluatedForImpairment 73,676us-gaap_FinancingReceivableIndividuallyEvaluatedForImpairment
Loans collectively evaluated for impairment 4,760,369us-gaap_FinancingReceivableCollectivelyEvaluatedForImpairment 4,756,006us-gaap_FinancingReceivableCollectivelyEvaluatedForImpairment
Total ending loan balance, net of accrued interest receivable 4,830,830us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome 4,829,682us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome
Allowance for loan losses as a percentage of loan balance individually evaluated for impairment 7.18695%prk_LoansAndLeasesReceivableRatioOfAllowanceForLoanLossesToTotalLoansIndividuallyEvaluatedForImpairment 4.9677%prk_LoansAndLeasesReceivableRatioOfAllowanceForLoanLossesToTotalLoansIndividuallyEvaluatedForImpairment
Allowance for loan losses as a percentage of loan balance collectively evaluated for impairment 1.05757%prk_LoansAndLeasesReceivableRatioOfAllowanceForLoanLossesToTotalLoansCollectivelyEvaluatedForImpairment 1.06585%prk_LoansAndLeasesReceivableRatioOfAllowanceForLoanLossesToTotalLoansCollectivelyEvaluatedForImpairment
Total ending allowance for loan losses balance as a percentage of loan balance 1.14697%prk_LoansAndLeasesReceivableRatioOfAllowanceForLoanLossesToTotalLoans 1.12537%prk_LoansAndLeasesReceivableRatioOfAllowanceForLoanLossesToTotalLoans
Recorded investment 70,492prk_LoansAndLeasesReceivableRecordedInvestmentIndividuallyEvaluatedForImpairment 73,712prk_LoansAndLeasesReceivableRecordedInvestmentIndividuallyEvaluatedForImpairment
Recorded investment collectively evaluated for impairment 4,774,004prk_LoansAndLeasesReceivableRecordedInvestmentCollectivelyEvaluatedForImpairment 4,769,599prk_LoansAndLeasesReceivableRecordedInvestmentCollectivelyEvaluatedForImpairment
Recorded Investment 4,844,496prk_LoansAndLeasesReceivableRecordedInvestment 4,843,311prk_LoansAndLeasesReceivableRecordedInvestment
Commercial Financial And Agricultural [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Allowance for loan losses individually evaluated for impairment 1,839us-gaap_FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= prk_CommercialFinancialAndAgriculturalMember		 981us-gaap_FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= prk_CommercialFinancialAndAgriculturalMember
Allowance for loan losses collectively evaluated for impairment 9,522us-gaap_FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= prk_CommercialFinancialAndAgriculturalMember		 9,738us-gaap_FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= prk_CommercialFinancialAndAgriculturalMember
Total ending allowance balance 11,361us-gaap_FinancingReceivableAllowanceForCreditLosses
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= prk_CommercialFinancialAndAgriculturalMember		 10,719us-gaap_FinancingReceivableAllowanceForCreditLosses
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= prk_CommercialFinancialAndAgriculturalMember
Loans individually evaluated for impairment 20,570us-gaap_FinancingReceivableIndividuallyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= prk_CommercialFinancialAndAgriculturalMember		 19,103us-gaap_FinancingReceivableIndividuallyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= prk_CommercialFinancialAndAgriculturalMember
Loans collectively evaluated for impairment 823,763us-gaap_FinancingReceivableCollectivelyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= prk_CommercialFinancialAndAgriculturalMember		 837,432us-gaap_FinancingReceivableCollectivelyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= prk_CommercialFinancialAndAgriculturalMember
Total ending loan balance, net of accrued interest receivable 844,333us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= prk_CommercialFinancialAndAgriculturalMember		 [1] 856,535us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= prk_CommercialFinancialAndAgriculturalMember		 [1]
Allowance for loan losses as a percentage of loan balance individually evaluated for impairment 8.9402%prk_LoansAndLeasesReceivableRatioOfAllowanceForLoanLossesToTotalLoansIndividuallyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= prk_CommercialFinancialAndAgriculturalMember		 5.13532%prk_LoansAndLeasesReceivableRatioOfAllowanceForLoanLossesToTotalLoansIndividuallyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= prk_CommercialFinancialAndAgriculturalMember
Allowance for loan losses as a percentage of loan balance collectively evaluated for impairment 1.15591%prk_LoansAndLeasesReceivableRatioOfAllowanceForLoanLossesToTotalLoansCollectivelyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= prk_CommercialFinancialAndAgriculturalMember		 1.16284%prk_LoansAndLeasesReceivableRatioOfAllowanceForLoanLossesToTotalLoansCollectivelyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= prk_CommercialFinancialAndAgriculturalMember
Total ending allowance for loan losses balance as a percentage of loan balance 1.34556%prk_LoansAndLeasesReceivableRatioOfAllowanceForLoanLossesToTotalLoans
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= prk_CommercialFinancialAndAgriculturalMember		 1.25144%prk_LoansAndLeasesReceivableRatioOfAllowanceForLoanLossesToTotalLoans
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= prk_CommercialFinancialAndAgriculturalMember
Recorded investment 20,571prk_LoansAndLeasesReceivableRecordedInvestmentIndividuallyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= prk_CommercialFinancialAndAgriculturalMember		 19,106prk_LoansAndLeasesReceivableRecordedInvestmentIndividuallyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= prk_CommercialFinancialAndAgriculturalMember
Recorded investment collectively evaluated for impairment 827,027prk_LoansAndLeasesReceivableRecordedInvestmentCollectivelyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= prk_CommercialFinancialAndAgriculturalMember		 840,647prk_LoansAndLeasesReceivableRecordedInvestmentCollectivelyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= prk_CommercialFinancialAndAgriculturalMember
Recorded Investment 847,598prk_LoansAndLeasesReceivableRecordedInvestment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= prk_CommercialFinancialAndAgriculturalMember		 [1] 859,753prk_LoansAndLeasesReceivableRecordedInvestment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= prk_CommercialFinancialAndAgriculturalMember		 [1]
Commercial Real Estate [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Allowance for loan losses individually evaluated for impairment 645us-gaap_FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember		 262us-gaap_FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
Allowance for loan losses collectively evaluated for impairment 8,651us-gaap_FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember		 8,546us-gaap_FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
Total ending allowance balance 9,296us-gaap_FinancingReceivableAllowanceForCreditLosses
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember		 8,808us-gaap_FinancingReceivableAllowanceForCreditLosses
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
Loans individually evaluated for impairment 16,892us-gaap_FinancingReceivableIndividuallyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember		 21,978us-gaap_FinancingReceivableIndividuallyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
Loans collectively evaluated for impairment 1,054,373us-gaap_FinancingReceivableCollectivelyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember		 1,047,659us-gaap_FinancingReceivableCollectivelyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
Total ending loan balance, net of accrued interest receivable 1,071,265us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember		 [1] 1,069,637us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember		 [1]
Allowance for loan losses as a percentage of loan balance individually evaluated for impairment 3.81838%prk_LoansAndLeasesReceivableRatioOfAllowanceForLoanLossesToTotalLoansIndividuallyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember		 1.1921%prk_LoansAndLeasesReceivableRatioOfAllowanceForLoanLossesToTotalLoansIndividuallyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
Allowance for loan losses as a percentage of loan balance collectively evaluated for impairment 0.82049%prk_LoansAndLeasesReceivableRatioOfAllowanceForLoanLossesToTotalLoansCollectivelyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember		 0.81572%prk_LoansAndLeasesReceivableRatioOfAllowanceForLoanLossesToTotalLoansCollectivelyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
Total ending allowance for loan losses balance as a percentage of loan balance 0.86776%prk_LoansAndLeasesReceivableRatioOfAllowanceForLoanLossesToTotalLoans
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember		 0.82346%prk_LoansAndLeasesReceivableRatioOfAllowanceForLoanLossesToTotalLoans
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
Recorded investment 16,900prk_LoansAndLeasesReceivableRecordedInvestmentIndividuallyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember		 21,989prk_LoansAndLeasesReceivableRecordedInvestmentIndividuallyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
Recorded investment collectively evaluated for impairment 1,057,894prk_LoansAndLeasesReceivableRecordedInvestmentCollectivelyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember		 1,051,194prk_LoansAndLeasesReceivableRecordedInvestmentCollectivelyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember
Recorded Investment 1,074,794prk_LoansAndLeasesReceivableRecordedInvestment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember		 [1] 1,073,183prk_LoansAndLeasesReceivableRecordedInvestment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstatePortfolioSegmentMember		 [1]
Construction Real Estate [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Allowance for loan losses individually evaluated for impairment 2,157us-gaap_FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= prk_ConstructionRealEstateMember		 1,812us-gaap_FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= prk_ConstructionRealEstateMember
Allowance for loan losses collectively evaluated for impairment 6,598us-gaap_FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= prk_ConstructionRealEstateMember		 6,840us-gaap_FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= prk_ConstructionRealEstateMember
Total ending allowance balance 8,755us-gaap_FinancingReceivableAllowanceForCreditLosses
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= prk_ConstructionRealEstateMember		 8,652us-gaap_FinancingReceivableAllowanceForCreditLosses
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= prk_ConstructionRealEstateMember
Loans individually evaluated for impairment 7,802us-gaap_FinancingReceivableIndividuallyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= prk_ConstructionRealEstateMember		 7,690us-gaap_FinancingReceivableIndividuallyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= prk_ConstructionRealEstateMember
Loans collectively evaluated for impairment 141,973us-gaap_FinancingReceivableCollectivelyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= prk_ConstructionRealEstateMember		 148,114us-gaap_FinancingReceivableCollectivelyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= prk_ConstructionRealEstateMember
Total ending loan balance, net of accrued interest receivable 149,775us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= prk_ConstructionRealEstateMember		 155,804us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= prk_ConstructionRealEstateMember
Allowance for loan losses as a percentage of loan balance individually evaluated for impairment 27.64676%prk_LoansAndLeasesReceivableRatioOfAllowanceForLoanLossesToTotalLoansIndividuallyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= prk_ConstructionRealEstateMember		 23.56307%prk_LoansAndLeasesReceivableRatioOfAllowanceForLoanLossesToTotalLoansIndividuallyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= prk_ConstructionRealEstateMember
Allowance for loan losses as a percentage of loan balance collectively evaluated for impairment 4.64736%prk_LoansAndLeasesReceivableRatioOfAllowanceForLoanLossesToTotalLoansCollectivelyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= prk_ConstructionRealEstateMember		 4.61806%prk_LoansAndLeasesReceivableRatioOfAllowanceForLoanLossesToTotalLoansCollectivelyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= prk_ConstructionRealEstateMember
Total ending allowance for loan losses balance as a percentage of loan balance 5.84543%prk_LoansAndLeasesReceivableRatioOfAllowanceForLoanLossesToTotalLoans
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= prk_ConstructionRealEstateMember		 5.55313%prk_LoansAndLeasesReceivableRatioOfAllowanceForLoanLossesToTotalLoans
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= prk_ConstructionRealEstateMember
Recorded investment 7,802prk_LoansAndLeasesReceivableRecordedInvestmentIndividuallyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= prk_ConstructionRealEstateMember		 7,687prk_LoansAndLeasesReceivableRecordedInvestmentIndividuallyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= prk_ConstructionRealEstateMember
Recorded investment collectively evaluated for impairment 142,374prk_LoansAndLeasesReceivableRecordedInvestmentCollectivelyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= prk_ConstructionRealEstateMember		 148,512prk_LoansAndLeasesReceivableRecordedInvestmentCollectivelyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= prk_ConstructionRealEstateMember
Recorded Investment 150,176prk_LoansAndLeasesReceivableRecordedInvestment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= prk_ConstructionRealEstateMember		 156,199prk_LoansAndLeasesReceivableRecordedInvestment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= prk_ConstructionRealEstateMember
Residential Real Estate [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Allowance for loan losses individually evaluated for impairment 423us-gaap_FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ResidentialPortfolioSegmentMember		 605us-gaap_FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ResidentialPortfolioSegmentMember
Allowance for loan losses collectively evaluated for impairment 14,089us-gaap_FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ResidentialPortfolioSegmentMember		 14,167us-gaap_FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ResidentialPortfolioSegmentMember
Total ending allowance balance 14,512us-gaap_FinancingReceivableAllowanceForCreditLosses
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ResidentialPortfolioSegmentMember		 14,772us-gaap_FinancingReceivableAllowanceForCreditLosses
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ResidentialPortfolioSegmentMember
Loans individually evaluated for impairment 25,197us-gaap_FinancingReceivableIndividuallyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ResidentialPortfolioSegmentMember		 24,905us-gaap_FinancingReceivableIndividuallyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ResidentialPortfolioSegmentMember
Loans collectively evaluated for impairment 1,824,208us-gaap_FinancingReceivableCollectivelyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ResidentialPortfolioSegmentMember		 1,826,470us-gaap_FinancingReceivableCollectivelyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ResidentialPortfolioSegmentMember
Total ending loan balance, net of accrued interest receivable 1,849,405us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ResidentialPortfolioSegmentMember		 1,851,375us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ResidentialPortfolioSegmentMember
Allowance for loan losses as a percentage of loan balance individually evaluated for impairment 1.67877%prk_LoansAndLeasesReceivableRatioOfAllowanceForLoanLossesToTotalLoansIndividuallyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ResidentialPortfolioSegmentMember		 2.42923%prk_LoansAndLeasesReceivableRatioOfAllowanceForLoanLossesToTotalLoansIndividuallyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ResidentialPortfolioSegmentMember
Allowance for loan losses as a percentage of loan balance collectively evaluated for impairment 0.77234%prk_LoansAndLeasesReceivableRatioOfAllowanceForLoanLossesToTotalLoansCollectivelyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ResidentialPortfolioSegmentMember		 0.77565%prk_LoansAndLeasesReceivableRatioOfAllowanceForLoanLossesToTotalLoansCollectivelyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ResidentialPortfolioSegmentMember
Total ending allowance for loan losses balance as a percentage of loan balance 0.78468%prk_LoansAndLeasesReceivableRatioOfAllowanceForLoanLossesToTotalLoans
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ResidentialPortfolioSegmentMember		 0.79789%prk_LoansAndLeasesReceivableRatioOfAllowanceForLoanLossesToTotalLoans
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ResidentialPortfolioSegmentMember
Recorded investment 25,219prk_LoansAndLeasesReceivableRecordedInvestmentIndividuallyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ResidentialPortfolioSegmentMember		 24,930prk_LoansAndLeasesReceivableRecordedInvestmentIndividuallyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ResidentialPortfolioSegmentMember
Recorded investment collectively evaluated for impairment 1,827,796prk_LoansAndLeasesReceivableRecordedInvestmentCollectivelyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ResidentialPortfolioSegmentMember		 1,829,931prk_LoansAndLeasesReceivableRecordedInvestmentCollectivelyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ResidentialPortfolioSegmentMember
Recorded Investment 1,853,015prk_LoansAndLeasesReceivableRecordedInvestment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ResidentialPortfolioSegmentMember		 1,854,861prk_LoansAndLeasesReceivableRecordedInvestment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ResidentialPortfolioSegmentMember
Consumer [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Allowance for loan losses individually evaluated for impairment 0us-gaap_FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerPortfolioSegmentMember		 0us-gaap_FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerPortfolioSegmentMember
Allowance for loan losses collectively evaluated for impairment 11,484us-gaap_FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerPortfolioSegmentMember		 11,401us-gaap_FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerPortfolioSegmentMember
Total ending allowance balance 11,484us-gaap_FinancingReceivableAllowanceForCreditLosses
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerPortfolioSegmentMember		 11,401us-gaap_FinancingReceivableAllowanceForCreditLosses
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerPortfolioSegmentMember
Loans individually evaluated for impairment 0us-gaap_FinancingReceivableIndividuallyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerPortfolioSegmentMember		 0us-gaap_FinancingReceivableIndividuallyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerPortfolioSegmentMember
Loans collectively evaluated for impairment 912,854us-gaap_FinancingReceivableCollectivelyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerPortfolioSegmentMember		 893,160us-gaap_FinancingReceivableCollectivelyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerPortfolioSegmentMember
Total ending loan balance, net of accrued interest receivable 912,854us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerPortfolioSegmentMember		 893,160us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerPortfolioSegmentMember
Allowance for loan losses as a percentage of loan balance individually evaluated for impairment 0.00%prk_LoansAndLeasesReceivableRatioOfAllowanceForLoanLossesToTotalLoansIndividuallyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerPortfolioSegmentMember		 0.00%prk_LoansAndLeasesReceivableRatioOfAllowanceForLoanLossesToTotalLoansIndividuallyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerPortfolioSegmentMember
Allowance for loan losses as a percentage of loan balance collectively evaluated for impairment 1.25803%prk_LoansAndLeasesReceivableRatioOfAllowanceForLoanLossesToTotalLoansCollectivelyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerPortfolioSegmentMember		 1.27648%prk_LoansAndLeasesReceivableRatioOfAllowanceForLoanLossesToTotalLoansCollectivelyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerPortfolioSegmentMember
Total ending allowance for loan losses balance as a percentage of loan balance 1.25803%prk_LoansAndLeasesReceivableRatioOfAllowanceForLoanLossesToTotalLoans
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerPortfolioSegmentMember		 1.27648%prk_LoansAndLeasesReceivableRatioOfAllowanceForLoanLossesToTotalLoans
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerPortfolioSegmentMember
Recorded investment 0prk_LoansAndLeasesReceivableRecordedInvestmentIndividuallyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerPortfolioSegmentMember		 0prk_LoansAndLeasesReceivableRecordedInvestmentIndividuallyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerPortfolioSegmentMember
Recorded investment collectively evaluated for impairment 915,671prk_LoansAndLeasesReceivableRecordedInvestmentCollectivelyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerPortfolioSegmentMember		 896,127prk_LoansAndLeasesReceivableRecordedInvestmentCollectivelyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerPortfolioSegmentMember
Recorded Investment 915,671prk_LoansAndLeasesReceivableRecordedInvestment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerPortfolioSegmentMember		 896,127prk_LoansAndLeasesReceivableRecordedInvestment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerPortfolioSegmentMember
Leases [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Allowance for loan losses individually evaluated for impairment 0us-gaap_FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_FinanceLeasesPortfolioSegmentMember		 0us-gaap_FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_FinanceLeasesPortfolioSegmentMember
Allowance for loan losses collectively evaluated for impairment 0us-gaap_FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_FinanceLeasesPortfolioSegmentMember		 0us-gaap_FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_FinanceLeasesPortfolioSegmentMember
Total ending allowance balance 0us-gaap_FinancingReceivableAllowanceForCreditLosses
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_FinanceLeasesPortfolioSegmentMember		 0us-gaap_FinancingReceivableAllowanceForCreditLosses
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_FinanceLeasesPortfolioSegmentMember
Loans individually evaluated for impairment 0us-gaap_FinancingReceivableIndividuallyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_FinanceLeasesPortfolioSegmentMember		 0us-gaap_FinancingReceivableIndividuallyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_FinanceLeasesPortfolioSegmentMember
Loans collectively evaluated for impairment 3,198us-gaap_FinancingReceivableCollectivelyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_FinanceLeasesPortfolioSegmentMember		 3,171us-gaap_FinancingReceivableCollectivelyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_FinanceLeasesPortfolioSegmentMember
Total ending loan balance, net of accrued interest receivable 3,198us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_FinanceLeasesPortfolioSegmentMember		 3,171us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_FinanceLeasesPortfolioSegmentMember
Allowance for loan losses as a percentage of loan balance individually evaluated for impairment 0.00%prk_LoansAndLeasesReceivableRatioOfAllowanceForLoanLossesToTotalLoansIndividuallyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_FinanceLeasesPortfolioSegmentMember		 0.00%prk_LoansAndLeasesReceivableRatioOfAllowanceForLoanLossesToTotalLoansIndividuallyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_FinanceLeasesPortfolioSegmentMember
Allowance for loan losses as a percentage of loan balance collectively evaluated for impairment 0.00%prk_LoansAndLeasesReceivableRatioOfAllowanceForLoanLossesToTotalLoansCollectivelyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_FinanceLeasesPortfolioSegmentMember		 0.00%prk_LoansAndLeasesReceivableRatioOfAllowanceForLoanLossesToTotalLoansCollectivelyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_FinanceLeasesPortfolioSegmentMember
Total ending allowance for loan losses balance as a percentage of loan balance 0.00%prk_LoansAndLeasesReceivableRatioOfAllowanceForLoanLossesToTotalLoans
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_FinanceLeasesPortfolioSegmentMember		 0.00%prk_LoansAndLeasesReceivableRatioOfAllowanceForLoanLossesToTotalLoans
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_FinanceLeasesPortfolioSegmentMember
Recorded investment 0prk_LoansAndLeasesReceivableRecordedInvestmentIndividuallyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_FinanceLeasesPortfolioSegmentMember		 0prk_LoansAndLeasesReceivableRecordedInvestmentIndividuallyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_FinanceLeasesPortfolioSegmentMember
Recorded investment collectively evaluated for impairment 3,242prk_LoansAndLeasesReceivableRecordedInvestmentCollectivelyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_FinanceLeasesPortfolioSegmentMember		 3,188prk_LoansAndLeasesReceivableRecordedInvestmentCollectivelyEvaluatedForImpairment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_FinanceLeasesPortfolioSegmentMember
Recorded Investment $ 3,242prk_LoansAndLeasesReceivableRecordedInvestment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_FinanceLeasesPortfolioSegmentMember		 $ 3,188prk_LoansAndLeasesReceivableRecordedInvestment
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_FinanceLeasesPortfolioSegmentMember
[1] Included within commercial, financial and agricultural loans, commercial real estate loans, and SEPH commercial land and development loans is an immaterial amount of consumer loans that are not broken out by class.