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Loans (Recorded Investment By Loan Grade) (Details) (USD $) In Thousands, unless otherwise specified | Mar. 31, 2015 | Dec. 31, 2014
--- | --- | ---
Financing Receivable, Recorded Investment [Line Items] |  |  |  |
Recorded Investment | $ 4,844,496 prk_LoansAndLeasesReceivableRecordedInvestment |  | $ 4,843,311 prk_LoansAndLeasesReceivableRecordedInvestment |
Residential Real Estate - Commercial [Member] |  |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |  |
Recorded Investment | 413,758 prk_LoansAndLeasesReceivableRecordedInvestment / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = prk_ResidentialRealEstateCommercialMember |  | 418,650 prk_LoansAndLeasesReceivableRecordedInvestment / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = prk_ResidentialRealEstateCommercialMember |
Commercial Real Estate [Member] |  |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |  |
Recorded Investment | 1,074,794 prk_LoansAndLeasesReceivableRecordedInvestment / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_CommercialRealEstatePortfolioSegmentMember | [1] | 1,073,183 prk_LoansAndLeasesReceivableRecordedInvestment / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_CommercialRealEstatePortfolioSegmentMember | [1]
Leases [Member] |  |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |  |
Recorded Investment | 3,242 prk_LoansAndLeasesReceivableRecordedInvestment / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_FinanceLeasesPortfolioSegmentMember |  | 3,188 prk_LoansAndLeasesReceivableRecordedInvestment / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_FinanceLeasesPortfolioSegmentMember |
5 Rated [Member] |  |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |  |
Total ending loan balance, recorded investment | 21,597 us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_InternalCreditAssessmentAxis = prk_FiveRatedMember |  | 16,252 us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_InternalCreditAssessmentAxis = prk_FiveRatedMember |
5 Rated [Member] | Remaining Commercial [Member] |  |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |  |
Total ending loan balance, recorded investment | 4,006 us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = prk_RemainingCommercialMember / us-gaap_InternalCreditAssessmentAxis = prk_FiveRatedMember |  | 3,349 us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = prk_RemainingCommercialMember / us-gaap_InternalCreditAssessmentAxis = prk_FiveRatedMember |
5 Rated [Member] | Residential Real Estate - Commercial [Member] |  |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |  |
Total ending loan balance, recorded investment | 2,185 us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = prk_ResidentialRealEstateCommercialMember / us-gaap_InternalCreditAssessmentAxis = prk_FiveRatedMember |  | 2,581 us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = prk_ResidentialRealEstateCommercialMember / us-gaap_InternalCreditAssessmentAxis = prk_FiveRatedMember |
5 Rated [Member] | Commercial, Financial, and Agricultural [Member] |  |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |  |
Total ending loan balance, recorded investment | 3,017 us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_CommercialFinancialAgriculturalMember / us-gaap_InternalCreditAssessmentAxis = prk_FiveRatedMember | [2] | 1,874 us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_CommercialFinancialAgriculturalMember / us-gaap_InternalCreditAssessmentAxis = prk_FiveRatedMember | [2]
5 Rated [Member] | Commercial Real Estate [Member] |  |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |  |
Total ending loan balance, recorded investment | 12,389 us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_CommercialRealEstatePortfolioSegmentMember / us-gaap_InternalCreditAssessmentAxis = prk_FiveRatedMember | [2] | 8,448 us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_CommercialRealEstatePortfolioSegmentMember / us-gaap_InternalCreditAssessmentAxis = prk_FiveRatedMember | [2]
5 Rated [Member] | Leases [Member] |  |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |  |
Total ending loan balance, recorded investment | 0 us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_FinanceLeasesPortfolioSegmentMember / us-gaap_InternalCreditAssessmentAxis = prk_FiveRatedMember |  | 0 us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_FinanceLeasesPortfolioSegmentMember / us-gaap_InternalCreditAssessmentAxis = prk_FiveRatedMember |
6 Rated [Member] |  |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |  |
Total ending loan balance, recorded investment | 2,527 us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_InternalCreditAssessmentAxis = prk_SixRatedMember |  | 3,568 us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_InternalCreditAssessmentAxis = prk_SixRatedMember |
6 Rated [Member] | SEPH Commercial Land and Development [Member] |  |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |  |
Total ending loan balance, recorded investment | 0 us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = prk_SephCommercialLandAndDevelopmentMember / us-gaap_InternalCreditAssessmentAxis = prk_SixRatedMember | [2] | 0 us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = prk_SephCommercialLandAndDevelopmentMember / us-gaap_InternalCreditAssessmentAxis = prk_SixRatedMember | [2]
6 Rated [Member] | Remaining Commercial [Member] |  |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |  |
Total ending loan balance, recorded investment |  |  | 57 us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = prk_RemainingCommercialMember / us-gaap_InternalCreditAssessmentAxis = prk_SixRatedMember |
6 Rated [Member] | Residential Real Estate - Commercial [Member] |  |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |  |
Total ending loan balance, recorded investment | 436 us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = prk_ResidentialRealEstateCommercialMember / us-gaap_InternalCreditAssessmentAxis = prk_SixRatedMember |  | 598 us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = prk_ResidentialRealEstateCommercialMember / us-gaap_InternalCreditAssessmentAxis = prk_SixRatedMember |
6 Rated [Member] | Commercial, Financial, and Agricultural [Member] |  |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |  |
Total ending loan balance, recorded investment | 595 us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_CommercialFinancialAgriculturalMember / us-gaap_InternalCreditAssessmentAxis = prk_SixRatedMember | [2] | 1,201 us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_CommercialFinancialAgriculturalMember / us-gaap_InternalCreditAssessmentAxis = prk_SixRatedMember | [2]
6 Rated [Member] | Commercial Real Estate [Member] |  |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |  |
Total ending loan balance, recorded investment | 1,496 us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_CommercialRealEstatePortfolioSegmentMember / us-gaap_InternalCreditAssessmentAxis = prk_SixRatedMember | [2] | 1,712 us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_CommercialRealEstatePortfolioSegmentMember / us-gaap_InternalCreditAssessmentAxis = prk_SixRatedMember | [2]
6 Rated [Member] | Leases [Member] |  |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |  |
Total ending loan balance, recorded investment | 0 us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_FinanceLeasesPortfolioSegmentMember / us-gaap_InternalCreditAssessmentAxis = prk_SixRatedMember |  | 0 us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_FinanceLeasesPortfolioSegmentMember / us-gaap_InternalCreditAssessmentAxis = prk_SixRatedMember |
Impaired [Member] |  |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |  |
Total ending loan balance, recorded investment | 70,499 us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_InternalCreditAssessmentAxis = prk_ImpairedMember |  | 73,729 us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_InternalCreditAssessmentAxis = prk_ImpairedMember |
Impaired [Member] | SEPH Commercial Land and Development [Member] |  |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |  |
Total ending loan balance, recorded investment | 2,077 us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = prk_SephCommercialLandAndDevelopmentMember / us-gaap_InternalCreditAssessmentAxis = prk_ImpairedMember | [2] | 2,078 us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = prk_SephCommercialLandAndDevelopmentMember / us-gaap_InternalCreditAssessmentAxis = prk_ImpairedMember | [2]
Impaired [Member] | Remaining Commercial [Member] |  |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |  |
Total ending loan balance, recorded investment | 5,725 us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = prk_RemainingCommercialMember / us-gaap_InternalCreditAssessmentAxis = prk_ImpairedMember |  | 5,609 us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = prk_RemainingCommercialMember / us-gaap_InternalCreditAssessmentAxis = prk_ImpairedMember |
Impaired [Member] | Residential Real Estate - Commercial [Member] |  |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |  |
Total ending loan balance, recorded investment | 25,219 us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = prk_ResidentialRealEstateCommercialMember / us-gaap_InternalCreditAssessmentAxis = prk_ImpairedMember |  | 24,930 us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = prk_ResidentialRealEstateCommercialMember / us-gaap_InternalCreditAssessmentAxis = prk_ImpairedMember |
Impaired [Member] | Commercial, Financial, and Agricultural [Member] |  |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |  |
Total ending loan balance, recorded investment | 20,578 us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_CommercialFinancialAgriculturalMember / us-gaap_InternalCreditAssessmentAxis = prk_ImpairedMember | [2] | 19,123 us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_CommercialFinancialAgriculturalMember / us-gaap_InternalCreditAssessmentAxis = prk_ImpairedMember | [2]
Impaired [Member] | Commercial Real Estate [Member] |  |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |  |
Total ending loan balance, recorded investment | 16,900 us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_CommercialRealEstatePortfolioSegmentMember / us-gaap_InternalCreditAssessmentAxis = prk_ImpairedMember | [2] | 21,989 us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_CommercialRealEstatePortfolioSegmentMember / us-gaap_InternalCreditAssessmentAxis = prk_ImpairedMember | [2]
Impaired [Member] | Leases [Member] |  |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |  |
Total ending loan balance, recorded investment | 0 us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_FinanceLeasesPortfolioSegmentMember / us-gaap_InternalCreditAssessmentAxis = prk_ImpairedMember |  | 0 us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_FinanceLeasesPortfolioSegmentMember / us-gaap_InternalCreditAssessmentAxis = prk_ImpairedMember |
Pass Rated [Member] |  |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |  |
Total ending loan balance, recorded investment | 2,357,065 us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_InternalCreditAssessmentAxis = us-gaap_PassMember |  | 2,378,859 us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_InternalCreditAssessmentAxis = us-gaap_PassMember |
Pass Rated [Member] | SEPH Commercial Land and Development [Member] |  |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |  |
Total ending loan balance, recorded investment | 106 us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = prk_SephCommercialLandAndDevelopmentMember / us-gaap_InternalCreditAssessmentAxis = us-gaap_PassMember | [2] | 117 us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = prk_SephCommercialLandAndDevelopmentMember / us-gaap_InternalCreditAssessmentAxis = us-gaap_PassMember | [2]
Pass Rated [Member] | Remaining Commercial [Member] |  |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |  |
Total ending loan balance, recorded investment | 100,382 us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = prk_RemainingCommercialMember / us-gaap_InternalCreditAssessmentAxis = us-gaap_PassMember |  | 106,424 us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = prk_RemainingCommercialMember / us-gaap_InternalCreditAssessmentAxis = us-gaap_PassMember |
Pass Rated [Member] | Residential Real Estate - Commercial [Member] |  |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |  |
Total ending loan balance, recorded investment | 385,918 us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = prk_ResidentialRealEstateCommercialMember / us-gaap_InternalCreditAssessmentAxis = us-gaap_PassMember |  | 390,541 us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = prk_ResidentialRealEstateCommercialMember / us-gaap_InternalCreditAssessmentAxis = us-gaap_PassMember |
Pass Rated [Member] | Commercial, Financial, and Agricultural [Member] |  |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |  |
Total ending loan balance, recorded investment | 823,408 us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_CommercialFinancialAgriculturalMember / us-gaap_InternalCreditAssessmentAxis = us-gaap_PassMember | [2] | 837,555 us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_CommercialFinancialAgriculturalMember / us-gaap_InternalCreditAssessmentAxis = us-gaap_PassMember | [2]
Pass Rated [Member] | Commercial Real Estate [Member] |  |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |  |
Total ending loan balance, recorded investment | 1,044,009 us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_CommercialRealEstatePortfolioSegmentMember / us-gaap_InternalCreditAssessmentAxis = us-gaap_PassMember | [2] | 1,041,034 us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_CommercialRealEstatePortfolioSegmentMember / us-gaap_InternalCreditAssessmentAxis = us-gaap_PassMember | [2]
Pass Rated [Member] | Leases [Member] |  |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |  |
Total ending loan balance, recorded investment | 3,242 us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_FinanceLeasesPortfolioSegmentMember / us-gaap_InternalCreditAssessmentAxis = us-gaap_PassMember |  | 3,188 us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_FinanceLeasesPortfolioSegmentMember / us-gaap_InternalCreditAssessmentAxis = us-gaap_PassMember |
Recorded Investment [Member] |  |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |  |
Recorded Investment | 2,451,688 prk_LoansAndLeasesReceivableRecordedInvestment / us-gaap_InternalCreditAssessmentAxis = prk_RecordedInvestmentMember |  | 2,472,408 prk_LoansAndLeasesReceivableRecordedInvestment / us-gaap_InternalCreditAssessmentAxis = prk_RecordedInvestmentMember |
Recorded Investment [Member] | SEPH Commercial Land and Development [Member] |  |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |  |
Recorded Investment | 2,183 prk_LoansAndLeasesReceivableRecordedInvestment / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = prk_SephCommercialLandAndDevelopmentMember / us-gaap_InternalCreditAssessmentAxis = prk_RecordedInvestmentMember | [2] | 2,195 prk_LoansAndLeasesReceivableRecordedInvestment / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = prk_SephCommercialLandAndDevelopmentMember / us-gaap_InternalCreditAssessmentAxis = prk_RecordedInvestmentMember | [2]
Recorded Investment [Member] | Remaining Commercial [Member] |  |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |  |
Recorded Investment | 110,113 prk_LoansAndLeasesReceivableRecordedInvestment / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = prk_RemainingCommercialMember / us-gaap_InternalCreditAssessmentAxis = prk_RecordedInvestmentMember |  | 115,439 prk_LoansAndLeasesReceivableRecordedInvestment / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = prk_RemainingCommercialMember / us-gaap_InternalCreditAssessmentAxis = prk_RecordedInvestmentMember |
Recorded Investment [Member] | Residential Real Estate - Commercial [Member] |  |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |  |
Recorded Investment | 413,758 prk_LoansAndLeasesReceivableRecordedInvestment / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = prk_ResidentialRealEstateCommercialMember / us-gaap_InternalCreditAssessmentAxis = prk_RecordedInvestmentMember |  | 418,650 prk_LoansAndLeasesReceivableRecordedInvestment / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = prk_ResidentialRealEstateCommercialMember / us-gaap_InternalCreditAssessmentAxis = prk_RecordedInvestmentMember |
Recorded Investment [Member] | Commercial, Financial, and Agricultural [Member] |  |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |  |
Recorded Investment | 847,598 prk_LoansAndLeasesReceivableRecordedInvestment / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_CommercialFinancialAgriculturalMember / us-gaap_InternalCreditAssessmentAxis = prk_RecordedInvestmentMember | [2] | 859,753 prk_LoansAndLeasesReceivableRecordedInvestment / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_CommercialFinancialAgriculturalMember / us-gaap_InternalCreditAssessmentAxis = prk_RecordedInvestmentMember | [2]
Recorded Investment [Member] | Commercial Real Estate [Member] |  |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |  |
Recorded Investment | 1,074,794 prk_LoansAndLeasesReceivableRecordedInvestment / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_CommercialRealEstatePortfolioSegmentMember / us-gaap_InternalCreditAssessmentAxis = prk_RecordedInvestmentMember | [2] | 1,073,183 prk_LoansAndLeasesReceivableRecordedInvestment / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_CommercialRealEstatePortfolioSegmentMember / us-gaap_InternalCreditAssessmentAxis = prk_RecordedInvestmentMember | [2]
Recorded Investment [Member] | Leases [Member] |  |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |  |
Recorded Investment | $ 3,242 prk_LoansAndLeasesReceivableRecordedInvestment / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_FinanceLeasesPortfolioSegmentMember / us-gaap_InternalCreditAssessmentAxis = prk_RecordedInvestmentMember |  | $ 3,188 prk_LoansAndLeasesReceivableRecordedInvestment / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_FinanceLeasesPortfolioSegmentMember / us-gaap_InternalCreditAssessmentAxis = prk_RecordedInvestmentMember |
[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.
[2] | * 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.

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- Definition Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements. + References 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=28367877&loc=d3e4428-111522 + Details
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