XML 16 R70.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Fair Value Qualitative information about Level 3 fair value measurements (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2015 | Dec. 31, 2014
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Loans Receivable, Fair Value Disclosure | 4,792,517 us-gaap_LoansReceivableFairValueDisclosure | 4,779,758 us-gaap_LoansReceivableFairValueDisclosure
Impaired loans carried at fair value | 9,295 prk_ImpairedLoanFairValue | 16,963 prk_ImpairedLoanFairValue
Other Assets, Fair Value Disclosure | 4,775,046 us-gaap_OtherAssetsFairValueDisclosure | 4,757,461 us-gaap_OtherAssetsFairValueDisclosure
Loans Held-for-sale, Fair Value Disclosure | 7,987 us-gaap_LoansHeldForSaleFairValueDisclosure | 5,264 us-gaap_LoansHeldForSaleFairValueDisclosure
Fair Value, Measurements, Nonrecurring [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Loans Receivable, Fair Value Disclosure | 9,295 us-gaap_LoansReceivableFairValueDisclosure / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember | 16,963 us-gaap_LoansReceivableFairValueDisclosure / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember
Other Assets, Fair Value Disclosure | 9,893 us-gaap_OtherAssetsFairValueDisclosure / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember | 10,312 us-gaap_OtherAssetsFairValueDisclosure / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Loans Receivable, Fair Value Disclosure | 9,295 us-gaap_LoansReceivableFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember | 16,963 us-gaap_LoansReceivableFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember
Other Assets, Fair Value Disclosure | 9,893 us-gaap_OtherAssetsFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember | 10,312 us-gaap_OtherAssetsFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember
Fair Value, Measurements, Nonrecurring [Member] | Construction Real Estate [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Other Assets, Fair Value Disclosure | 6,455 us-gaap_OtherAssetsFairValueDisclosure / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_ConstructionRealEstateMember | 6,473 us-gaap_OtherAssetsFairValueDisclosure / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_ConstructionRealEstateMember
Fair Value, Measurements, Nonrecurring [Member] | Construction Real Estate [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Other Assets, Fair Value Disclosure | 6,455 us-gaap_OtherAssetsFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_ConstructionRealEstateMember | 6,473 us-gaap_OtherAssetsFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_ConstructionRealEstateMember
Fair Value, Measurements, Nonrecurring [Member] | Commercial Real Estate Portfolio Segment [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Loans Receivable, Fair Value Disclosure | 2,163 us-gaap_LoansReceivableFairValueDisclosure / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_CommercialRealEstatePortfolioSegmentMember | 8,481 us-gaap_LoansReceivableFairValueDisclosure / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_CommercialRealEstatePortfolioSegmentMember
Fair Value, Measurements, Nonrecurring [Member] | Commercial Real Estate Portfolio Segment [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Loans Receivable, Fair Value Disclosure | 2,163 us-gaap_LoansReceivableFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_CommercialRealEstatePortfolioSegmentMember | 8,481 us-gaap_LoansReceivableFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_CommercialRealEstatePortfolioSegmentMember
Fair Value, Measurements, Nonrecurring [Member] | Commercial Real Estate Portfolio Segment [Member] | Loans Receivable [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Impaired loans carried at fair value |  | 8,481 prk_ImpairedLoanFairValue / us-gaap_FairValueByAssetClassAxis = us-gaap_LoansReceivableMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_CommercialRealEstatePortfolioSegmentMember
Fair Value, Measurements, Nonrecurring [Member] | Commercial Real Estate Portfolio Segment [Member] | Loans Receivable [Member] | Minimum [Member] | Sales Comparison Approach Valuation Technique [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Fair Value Inputs, Comparability Adjustments | 0.00%us-gaap_FairValueInputsComparabilityAdjustments / us-gaap_FairValueByAssetClassAxis = us-gaap_LoansReceivableMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_CommercialRealEstatePortfolioSegmentMember / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_ValuationTechniqueAxis = prk_SalesComparisonApproachValuationTechniqueMember | 0.00%us-gaap_FairValueInputsComparabilityAdjustments / us-gaap_FairValueByAssetClassAxis = us-gaap_LoansReceivableMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_CommercialRealEstatePortfolioSegmentMember / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_ValuationTechniqueAxis = prk_SalesComparisonApproachValuationTechniqueMember
Fair Value, Measurements, Nonrecurring [Member] | Commercial Real Estate Portfolio Segment [Member] | Loans Receivable [Member] | Minimum [Member] | Bulk Sale Approach Valuation Technique [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Fair Value Inputs, Discount Rate | 8.00%us-gaap_FairValueInputsDiscountRate / us-gaap_FairValueByAssetClassAxis = us-gaap_LoansReceivableMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_CommercialRealEstatePortfolioSegmentMember / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_ValuationTechniqueAxis = prk_BulkSaleApproachValuationTechniqueMember |
Fair Value, Measurements, Nonrecurring [Member] | Commercial Real Estate Portfolio Segment [Member] | Loans Receivable [Member] | Minimum [Member] | Income Approach Valuation Technique [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Fair Value Inputs, Cap Rate | 8.00%us-gaap_FairValueInputsCapRate / us-gaap_FairValueByAssetClassAxis = us-gaap_LoansReceivableMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_CommercialRealEstatePortfolioSegmentMember / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_ValuationTechniqueAxis = us-gaap_IncomeApproachValuationTechniqueMember | 8.00%us-gaap_FairValueInputsCapRate / us-gaap_FairValueByAssetClassAxis = us-gaap_LoansReceivableMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_CommercialRealEstatePortfolioSegmentMember / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_ValuationTechniqueAxis = us-gaap_IncomeApproachValuationTechniqueMember
Fair Value, Measurements, Nonrecurring [Member] | Commercial Real Estate Portfolio Segment [Member] | Loans Receivable [Member] | Minimum [Member] | Cost Approach Valuation Technique [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Fair Value Inputs, Accumulated Depreciation | 23.00%prk_FairValueInputsAccumulatedDepreciation / us-gaap_FairValueByAssetClassAxis = us-gaap_LoansReceivableMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_CommercialRealEstatePortfolioSegmentMember / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_ValuationTechniqueAxis = us-gaap_CostApproachValuationTechniqueMember | 23.00%prk_FairValueInputsAccumulatedDepreciation / us-gaap_FairValueByAssetClassAxis = us-gaap_LoansReceivableMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_CommercialRealEstatePortfolioSegmentMember / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_ValuationTechniqueAxis = us-gaap_CostApproachValuationTechniqueMember
Fair Value, Measurements, Nonrecurring [Member] | Commercial Real Estate Portfolio Segment [Member] | Loans Receivable [Member] | Maximum [Member] | Sales Comparison Approach Valuation Technique [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Fair Value Inputs, Comparability Adjustments | 137.30%us-gaap_FairValueInputsComparabilityAdjustments / us-gaap_FairValueByAssetClassAxis = us-gaap_LoansReceivableMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_CommercialRealEstatePortfolioSegmentMember / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_ValuationTechniqueAxis = prk_SalesComparisonApproachValuationTechniqueMember | 84.00%us-gaap_FairValueInputsComparabilityAdjustments / us-gaap_FairValueByAssetClassAxis = us-gaap_LoansReceivableMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_CommercialRealEstatePortfolioSegmentMember / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_ValuationTechniqueAxis = prk_SalesComparisonApproachValuationTechniqueMember
Fair Value, Measurements, Nonrecurring [Member] | Commercial Real Estate Portfolio Segment [Member] | Loans Receivable [Member] | Maximum [Member] | Bulk Sale Approach Valuation Technique [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Fair Value Inputs, Discount Rate | 8.00%us-gaap_FairValueInputsDiscountRate / us-gaap_FairValueByAssetClassAxis = us-gaap_LoansReceivableMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_CommercialRealEstatePortfolioSegmentMember / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_ValuationTechniqueAxis = prk_BulkSaleApproachValuationTechniqueMember |
Fair Value, Measurements, Nonrecurring [Member] | Commercial Real Estate Portfolio Segment [Member] | Loans Receivable [Member] | Maximum [Member] | Income Approach Valuation Technique [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Fair Value Inputs, Cap Rate | 10.30%us-gaap_FairValueInputsCapRate / us-gaap_FairValueByAssetClassAxis = us-gaap_LoansReceivableMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_CommercialRealEstatePortfolioSegmentMember / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_ValuationTechniqueAxis = us-gaap_IncomeApproachValuationTechniqueMember | 9.50%us-gaap_FairValueInputsCapRate / us-gaap_FairValueByAssetClassAxis = us-gaap_LoansReceivableMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_CommercialRealEstatePortfolioSegmentMember / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_ValuationTechniqueAxis = us-gaap_IncomeApproachValuationTechniqueMember
Fair Value, Measurements, Nonrecurring [Member] | Commercial Real Estate Portfolio Segment [Member] | Loans Receivable [Member] | Maximum [Member] | Cost Approach Valuation Technique [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Fair Value Inputs, Accumulated Depreciation | 50.00%prk_FairValueInputsAccumulatedDepreciation / us-gaap_FairValueByAssetClassAxis = us-gaap_LoansReceivableMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_CommercialRealEstatePortfolioSegmentMember / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_ValuationTechniqueAxis = us-gaap_CostApproachValuationTechniqueMember | 23.00%prk_FairValueInputsAccumulatedDepreciation / us-gaap_FairValueByAssetClassAxis = us-gaap_LoansReceivableMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_CommercialRealEstatePortfolioSegmentMember / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_ValuationTechniqueAxis = us-gaap_CostApproachValuationTechniqueMember
Fair Value, Measurements, Nonrecurring [Member] | Commercial Real Estate Portfolio Segment [Member] | Loans Receivable [Member] | Weighted Average [Member] | Sales Comparison Approach Valuation Technique [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Fair Value Inputs, Comparability Adjustments | 25.80%us-gaap_FairValueInputsComparabilityAdjustments / us-gaap_FairValueByAssetClassAxis = us-gaap_LoansReceivableMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_CommercialRealEstatePortfolioSegmentMember / us-gaap_RangeAxis = us-gaap_WeightedAverageMember / us-gaap_ValuationTechniqueAxis = prk_SalesComparisonApproachValuationTechniqueMember | 38.80%us-gaap_FairValueInputsComparabilityAdjustments / us-gaap_FairValueByAssetClassAxis = us-gaap_LoansReceivableMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_CommercialRealEstatePortfolioSegmentMember / us-gaap_RangeAxis = us-gaap_WeightedAverageMember / us-gaap_ValuationTechniqueAxis = prk_SalesComparisonApproachValuationTechniqueMember
Fair Value, Measurements, Nonrecurring [Member] | Commercial Real Estate Portfolio Segment [Member] | Loans Receivable [Member] | Weighted Average [Member] | Bulk Sale Approach Valuation Technique [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Fair Value Inputs, Discount Rate | 8.00%us-gaap_FairValueInputsDiscountRate / us-gaap_FairValueByAssetClassAxis = us-gaap_LoansReceivableMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_CommercialRealEstatePortfolioSegmentMember / us-gaap_RangeAxis = us-gaap_WeightedAverageMember / us-gaap_ValuationTechniqueAxis = prk_BulkSaleApproachValuationTechniqueMember |
Fair Value, Measurements, Nonrecurring [Member] | Commercial Real Estate Portfolio Segment [Member] | Loans Receivable [Member] | Weighted Average [Member] | Income Approach Valuation Technique [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Fair Value Inputs, Cap Rate | 9.10%us-gaap_FairValueInputsCapRate / us-gaap_FairValueByAssetClassAxis = us-gaap_LoansReceivableMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_CommercialRealEstatePortfolioSegmentMember / us-gaap_RangeAxis = us-gaap_WeightedAverageMember / us-gaap_ValuationTechniqueAxis = us-gaap_IncomeApproachValuationTechniqueMember | 9.40%us-gaap_FairValueInputsCapRate / us-gaap_FairValueByAssetClassAxis = us-gaap_LoansReceivableMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_CommercialRealEstatePortfolioSegmentMember / us-gaap_RangeAxis = us-gaap_WeightedAverageMember / us-gaap_ValuationTechniqueAxis = us-gaap_IncomeApproachValuationTechniqueMember
Fair Value, Measurements, Nonrecurring [Member] | Commercial Real Estate Portfolio Segment [Member] | Loans Receivable [Member] | Weighted Average [Member] | Cost Approach Valuation Technique [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Fair Value Inputs, Accumulated Depreciation | 37.60%prk_FairValueInputsAccumulatedDepreciation / us-gaap_FairValueByAssetClassAxis = us-gaap_LoansReceivableMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_CommercialRealEstatePortfolioSegmentMember / us-gaap_RangeAxis = us-gaap_WeightedAverageMember / us-gaap_ValuationTechniqueAxis = us-gaap_CostApproachValuationTechniqueMember | 23.00%prk_FairValueInputsAccumulatedDepreciation / us-gaap_FairValueByAssetClassAxis = us-gaap_LoansReceivableMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_CommercialRealEstatePortfolioSegmentMember / us-gaap_RangeAxis = us-gaap_WeightedAverageMember / us-gaap_ValuationTechniqueAxis = us-gaap_CostApproachValuationTechniqueMember
Fair Value, Measurements, Nonrecurring [Member] | Construction Real Estate, SEPH Commercial Land and Development [Member] | Loans Receivable [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Impaired loans carried at fair value |  | 2,078 prk_ImpairedLoanFairValue / us-gaap_FairValueByAssetClassAxis = us-gaap_LoansReceivableMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_ConstructionRealEstateSephCommercialLandAndDevelopmentMember
Fair Value, Measurements, Nonrecurring [Member] | Construction Real Estate, SEPH Commercial Land and Development [Member] | Loans Receivable [Member] | Minimum [Member] | Sales Comparison Approach Valuation Technique [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Fair Value Inputs, Comparability Adjustments | 5.00%us-gaap_FairValueInputsComparabilityAdjustments / us-gaap_FairValueByAssetClassAxis = us-gaap_LoansReceivableMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_ConstructionRealEstateSephCommercialLandAndDevelopmentMember / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_ValuationTechniqueAxis = prk_SalesComparisonApproachValuationTechniqueMember | 5.00%us-gaap_FairValueInputsComparabilityAdjustments / us-gaap_FairValueByAssetClassAxis = us-gaap_LoansReceivableMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_ConstructionRealEstateSephCommercialLandAndDevelopmentMember / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_ValuationTechniqueAxis = prk_SalesComparisonApproachValuationTechniqueMember
Fair Value, Measurements, Nonrecurring [Member] | Construction Real Estate, SEPH Commercial Land and Development [Member] | Loans Receivable [Member] | Minimum [Member] | Bulk Sale Approach Valuation Technique [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Fair Value Inputs, Discount Rate | 10.80%us-gaap_FairValueInputsDiscountRate / us-gaap_FairValueByAssetClassAxis = us-gaap_LoansReceivableMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_ConstructionRealEstateSephCommercialLandAndDevelopmentMember / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_ValuationTechniqueAxis = prk_BulkSaleApproachValuationTechniqueMember | 10.80%us-gaap_FairValueInputsDiscountRate / us-gaap_FairValueByAssetClassAxis = us-gaap_LoansReceivableMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_ConstructionRealEstateSephCommercialLandAndDevelopmentMember / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_ValuationTechniqueAxis = prk_BulkSaleApproachValuationTechniqueMember
Fair Value, Measurements, Nonrecurring [Member] | Construction Real Estate, SEPH Commercial Land and Development [Member] | Loans Receivable [Member] | Maximum [Member] | Sales Comparison Approach Valuation Technique [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Fair Value Inputs, Comparability Adjustments | 35.00%us-gaap_FairValueInputsComparabilityAdjustments / us-gaap_FairValueByAssetClassAxis = us-gaap_LoansReceivableMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_ConstructionRealEstateSephCommercialLandAndDevelopmentMember / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_ValuationTechniqueAxis = prk_SalesComparisonApproachValuationTechniqueMember | 35.00%us-gaap_FairValueInputsComparabilityAdjustments / us-gaap_FairValueByAssetClassAxis = us-gaap_LoansReceivableMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_ConstructionRealEstateSephCommercialLandAndDevelopmentMember / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_ValuationTechniqueAxis = prk_SalesComparisonApproachValuationTechniqueMember
Fair Value, Measurements, Nonrecurring [Member] | Construction Real Estate, SEPH Commercial Land and Development [Member] | Loans Receivable [Member] | Maximum [Member] | Bulk Sale Approach Valuation Technique [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Fair Value Inputs, Discount Rate | 10.80%us-gaap_FairValueInputsDiscountRate / us-gaap_FairValueByAssetClassAxis = us-gaap_LoansReceivableMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_ConstructionRealEstateSephCommercialLandAndDevelopmentMember / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_ValuationTechniqueAxis = prk_BulkSaleApproachValuationTechniqueMember | 10.80%us-gaap_FairValueInputsDiscountRate / us-gaap_FairValueByAssetClassAxis = us-gaap_LoansReceivableMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_ConstructionRealEstateSephCommercialLandAndDevelopmentMember / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_ValuationTechniqueAxis = prk_BulkSaleApproachValuationTechniqueMember
Fair Value, Measurements, Nonrecurring [Member] | Construction Real Estate, SEPH Commercial Land and Development [Member] | Loans Receivable [Member] | Weighted Average [Member] | Sales Comparison Approach Valuation Technique [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Fair Value Inputs, Comparability Adjustments | 17.50%us-gaap_FairValueInputsComparabilityAdjustments / us-gaap_FairValueByAssetClassAxis = us-gaap_LoansReceivableMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_ConstructionRealEstateSephCommercialLandAndDevelopmentMember / us-gaap_RangeAxis = us-gaap_WeightedAverageMember / us-gaap_ValuationTechniqueAxis = prk_SalesComparisonApproachValuationTechniqueMember | 17.50%us-gaap_FairValueInputsComparabilityAdjustments / us-gaap_FairValueByAssetClassAxis = us-gaap_LoansReceivableMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_ConstructionRealEstateSephCommercialLandAndDevelopmentMember / us-gaap_RangeAxis = us-gaap_WeightedAverageMember / us-gaap_ValuationTechniqueAxis = prk_SalesComparisonApproachValuationTechniqueMember
Fair Value, Measurements, Nonrecurring [Member] | Construction Real Estate, SEPH Commercial Land and Development [Member] | Loans Receivable [Member] | Weighted Average [Member] | Bulk Sale Approach Valuation Technique [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Fair Value Inputs, Discount Rate | 10.80%us-gaap_FairValueInputsDiscountRate / us-gaap_FairValueByAssetClassAxis = us-gaap_LoansReceivableMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_ConstructionRealEstateSephCommercialLandAndDevelopmentMember / us-gaap_RangeAxis = us-gaap_WeightedAverageMember / us-gaap_ValuationTechniqueAxis = prk_BulkSaleApproachValuationTechniqueMember | 10.80%us-gaap_FairValueInputsDiscountRate / us-gaap_FairValueByAssetClassAxis = us-gaap_LoansReceivableMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_ConstructionRealEstateSephCommercialLandAndDevelopmentMember / us-gaap_RangeAxis = us-gaap_WeightedAverageMember / us-gaap_ValuationTechniqueAxis = prk_BulkSaleApproachValuationTechniqueMember
Fair Value, Measurements, Nonrecurring [Member] | Construction Real Estate - Remaining Commercial [Member] | Loans Receivable [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Impaired loans carried at fair value |  | 3,483 prk_ImpairedLoanFairValue / us-gaap_FairValueByAssetClassAxis = us-gaap_LoansReceivableMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_ConstructionRealEstateRemainingCommercialMember
Fair Value, Measurements, Nonrecurring [Member] | Construction Real Estate - Remaining Commercial [Member] | Loans Receivable [Member] | Minimum [Member] | Sales Comparison Approach Valuation Technique [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Fair Value Inputs, Comparability Adjustments | 0.20%us-gaap_FairValueInputsComparabilityAdjustments / us-gaap_FairValueByAssetClassAxis = us-gaap_LoansReceivableMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_ConstructionRealEstateRemainingCommercialMember / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_ValuationTechniqueAxis = prk_SalesComparisonApproachValuationTechniqueMember | 0.20%us-gaap_FairValueInputsComparabilityAdjustments / us-gaap_FairValueByAssetClassAxis = us-gaap_LoansReceivableMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_ConstructionRealEstateRemainingCommercialMember / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_ValuationTechniqueAxis = prk_SalesComparisonApproachValuationTechniqueMember
Fair Value, Measurements, Nonrecurring [Member] | Construction Real Estate - Remaining Commercial [Member] | Loans Receivable [Member] | Minimum [Member] | Bulk Sale Approach Valuation Technique [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Fair Value Inputs, Discount Rate | 10.00%us-gaap_FairValueInputsDiscountRate / us-gaap_FairValueByAssetClassAxis = us-gaap_LoansReceivableMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_ConstructionRealEstateRemainingCommercialMember / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_ValuationTechniqueAxis = prk_BulkSaleApproachValuationTechniqueMember | 10.00%us-gaap_FairValueInputsDiscountRate / us-gaap_FairValueByAssetClassAxis = us-gaap_LoansReceivableMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_ConstructionRealEstateRemainingCommercialMember / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_ValuationTechniqueAxis = prk_BulkSaleApproachValuationTechniqueMember
Fair Value, Measurements, Nonrecurring [Member] | Construction Real Estate - Remaining Commercial [Member] | Loans Receivable [Member] | Maximum [Member] | Sales Comparison Approach Valuation Technique [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Fair Value Inputs, Comparability Adjustments | 67.00%us-gaap_FairValueInputsComparabilityAdjustments / us-gaap_FairValueByAssetClassAxis = us-gaap_LoansReceivableMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_ConstructionRealEstateRemainingCommercialMember / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_ValuationTechniqueAxis = prk_SalesComparisonApproachValuationTechniqueMember | 76.00%us-gaap_FairValueInputsComparabilityAdjustments / us-gaap_FairValueByAssetClassAxis = us-gaap_LoansReceivableMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_ConstructionRealEstateRemainingCommercialMember / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_ValuationTechniqueAxis = prk_SalesComparisonApproachValuationTechniqueMember
Fair Value, Measurements, Nonrecurring [Member] | Construction Real Estate - Remaining Commercial [Member] | Loans Receivable [Member] | Maximum [Member] | Bulk Sale Approach Valuation Technique [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Fair Value Inputs, Discount Rate | 20.00%us-gaap_FairValueInputsDiscountRate / us-gaap_FairValueByAssetClassAxis = us-gaap_LoansReceivableMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_ConstructionRealEstateRemainingCommercialMember / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_ValuationTechniqueAxis = prk_BulkSaleApproachValuationTechniqueMember | 22.00%us-gaap_FairValueInputsDiscountRate / us-gaap_FairValueByAssetClassAxis = us-gaap_LoansReceivableMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_ConstructionRealEstateRemainingCommercialMember / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_ValuationTechniqueAxis = prk_BulkSaleApproachValuationTechniqueMember
Fair Value, Measurements, Nonrecurring [Member] | Construction Real Estate - Remaining Commercial [Member] | Loans Receivable [Member] | Weighted Average [Member] | Sales Comparison Approach Valuation Technique [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Fair Value Inputs, Comparability Adjustments | 25.10%us-gaap_FairValueInputsComparabilityAdjustments / us-gaap_FairValueByAssetClassAxis = us-gaap_LoansReceivableMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_ConstructionRealEstateRemainingCommercialMember / us-gaap_RangeAxis = us-gaap_WeightedAverageMember / us-gaap_ValuationTechniqueAxis = prk_SalesComparisonApproachValuationTechniqueMember | 45.40%us-gaap_FairValueInputsComparabilityAdjustments / us-gaap_FairValueByAssetClassAxis = us-gaap_LoansReceivableMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_ConstructionRealEstateRemainingCommercialMember / us-gaap_RangeAxis = us-gaap_WeightedAverageMember / us-gaap_ValuationTechniqueAxis = prk_SalesComparisonApproachValuationTechniqueMember
Fair Value, Measurements, Nonrecurring [Member] | Construction Real Estate - Remaining Commercial [Member] | Loans Receivable [Member] | Weighted Average [Member] | Bulk Sale Approach Valuation Technique [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Fair Value Inputs, Discount Rate | 10.00%us-gaap_FairValueInputsDiscountRate / us-gaap_FairValueByAssetClassAxis = us-gaap_LoansReceivableMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_ConstructionRealEstateRemainingCommercialMember / us-gaap_RangeAxis = us-gaap_WeightedAverageMember / us-gaap_ValuationTechniqueAxis = prk_BulkSaleApproachValuationTechniqueMember | 16.50%us-gaap_FairValueInputsDiscountRate / us-gaap_FairValueByAssetClassAxis = us-gaap_LoansReceivableMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_ConstructionRealEstateRemainingCommercialMember / us-gaap_RangeAxis = us-gaap_WeightedAverageMember / us-gaap_ValuationTechniqueAxis = prk_BulkSaleApproachValuationTechniqueMember
Fair Value, Measurements, Nonrecurring [Member] | Residential Real Estate [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Other Assets, Fair Value Disclosure | 2,576 us-gaap_OtherAssetsFairValueDisclosure / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_ResidentialRealEstateMember | 2,369 us-gaap_OtherAssetsFairValueDisclosure / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_ResidentialRealEstateMember
Fair Value, Measurements, Nonrecurring [Member] | Residential Real Estate [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Other Assets, Fair Value Disclosure | 2,576 us-gaap_OtherAssetsFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_ResidentialRealEstateMember | 2,369 us-gaap_OtherAssetsFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_ResidentialRealEstateMember
Fair Value, Measurements, Nonrecurring [Member] | Residential Real Estate [Member] | Loans Receivable [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Impaired loans carried at fair value |  | 2,921 prk_ImpairedLoanFairValue / us-gaap_FairValueByAssetClassAxis = us-gaap_LoansReceivableMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_ResidentialRealEstateMember
Fair Value, Measurements, Nonrecurring [Member] | Residential Real Estate [Member] | Loans Receivable [Member] | Minimum [Member] | Sales Comparison Approach Valuation Technique [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Fair Value Inputs, Comparability Adjustments | 0.00%us-gaap_FairValueInputsComparabilityAdjustments / us-gaap_FairValueByAssetClassAxis = us-gaap_LoansReceivableMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_ResidentialRealEstateMember / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_ValuationTechniqueAxis = prk_SalesComparisonApproachValuationTechniqueMember | 0.00%us-gaap_FairValueInputsComparabilityAdjustments / us-gaap_FairValueByAssetClassAxis = us-gaap_LoansReceivableMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_ResidentialRealEstateMember / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_ValuationTechniqueAxis = prk_SalesComparisonApproachValuationTechniqueMember
Fair Value, Measurements, Nonrecurring [Member] | Residential Real Estate [Member] | Loans Receivable [Member] | Minimum [Member] | Income Approach Valuation Technique [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Fair Value Inputs, Cap Rate | 13.00%us-gaap_FairValueInputsCapRate / us-gaap_FairValueByAssetClassAxis = us-gaap_LoansReceivableMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_ResidentialRealEstateMember / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_ValuationTechniqueAxis = us-gaap_IncomeApproachValuationTechniqueMember | 7.90%us-gaap_FairValueInputsCapRate / us-gaap_FairValueByAssetClassAxis = us-gaap_LoansReceivableMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_ResidentialRealEstateMember / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_ValuationTechniqueAxis = us-gaap_IncomeApproachValuationTechniqueMember
Fair Value, Measurements, Nonrecurring [Member] | Residential Real Estate [Member] | Loans Receivable [Member] | Maximum [Member] | Sales Comparison Approach Valuation Technique [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Fair Value Inputs, Comparability Adjustments | 83.00%us-gaap_FairValueInputsComparabilityAdjustments / us-gaap_FairValueByAssetClassAxis = us-gaap_LoansReceivableMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_ResidentialRealEstateMember / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_ValuationTechniqueAxis = prk_SalesComparisonApproachValuationTechniqueMember | 120.60%us-gaap_FairValueInputsComparabilityAdjustments / us-gaap_FairValueByAssetClassAxis = us-gaap_LoansReceivableMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_ResidentialRealEstateMember / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_ValuationTechniqueAxis = prk_SalesComparisonApproachValuationTechniqueMember
Fair Value, Measurements, Nonrecurring [Member] | Residential Real Estate [Member] | Loans Receivable [Member] | Maximum [Member] | Income Approach Valuation Technique [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Fair Value Inputs, Cap Rate | 13.00%us-gaap_FairValueInputsCapRate / us-gaap_FairValueByAssetClassAxis = us-gaap_LoansReceivableMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_ResidentialRealEstateMember / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_ValuationTechniqueAxis = us-gaap_IncomeApproachValuationTechniqueMember | 10.00%us-gaap_FairValueInputsCapRate / us-gaap_FairValueByAssetClassAxis = us-gaap_LoansReceivableMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_ResidentialRealEstateMember / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_ValuationTechniqueAxis = us-gaap_IncomeApproachValuationTechniqueMember
Fair Value, Measurements, Nonrecurring [Member] | Residential Real Estate [Member] | Loans Receivable [Member] | Weighted Average [Member] | Sales Comparison Approach Valuation Technique [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Fair Value Inputs, Comparability Adjustments | 14.10%us-gaap_FairValueInputsComparabilityAdjustments / us-gaap_FairValueByAssetClassAxis = us-gaap_LoansReceivableMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_ResidentialRealEstateMember / us-gaap_RangeAxis = us-gaap_WeightedAverageMember / us-gaap_ValuationTechniqueAxis = prk_SalesComparisonApproachValuationTechniqueMember | 11.10%us-gaap_FairValueInputsComparabilityAdjustments / us-gaap_FairValueByAssetClassAxis = us-gaap_LoansReceivableMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_ResidentialRealEstateMember / us-gaap_RangeAxis = us-gaap_WeightedAverageMember / us-gaap_ValuationTechniqueAxis = prk_SalesComparisonApproachValuationTechniqueMember
Fair Value, Measurements, Nonrecurring [Member] | Residential Real Estate [Member] | Loans Receivable [Member] | Weighted Average [Member] | Income Approach Valuation Technique [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Fair Value Inputs, Cap Rate | 13.00%us-gaap_FairValueInputsCapRate / us-gaap_FairValueByAssetClassAxis = us-gaap_LoansReceivableMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_ResidentialRealEstateMember / us-gaap_RangeAxis = us-gaap_WeightedAverageMember / us-gaap_ValuationTechniqueAxis = us-gaap_IncomeApproachValuationTechniqueMember | 8.00%us-gaap_FairValueInputsCapRate / us-gaap_FairValueByAssetClassAxis = us-gaap_LoansReceivableMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_ResidentialRealEstateMember / us-gaap_RangeAxis = us-gaap_WeightedAverageMember / us-gaap_ValuationTechniqueAxis = us-gaap_IncomeApproachValuationTechniqueMember
Fair Value, Measurements, Nonrecurring [Member] | Other Real Estate Owned, Commercial [Member] | Minimum [Member] | Sales Comparison Approach Valuation Technique [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Fair Value Inputs, Comparability Adjustments | 0.00%us-gaap_FairValueInputsComparabilityAdjustments / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_OtherRealEstateOwnedCommercialMember / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_ValuationTechniqueAxis = prk_SalesComparisonApproachValuationTechniqueMember | 0.00%us-gaap_FairValueInputsComparabilityAdjustments / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_OtherRealEstateOwnedCommercialMember / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_ValuationTechniqueAxis = prk_SalesComparisonApproachValuationTechniqueMember
Fair Value, Measurements, Nonrecurring [Member] | Other Real Estate Owned, Commercial [Member] | Minimum [Member] | Income Approach Valuation Technique [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Fair Value Inputs, Cap Rate | 8.40%us-gaap_FairValueInputsCapRate / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_OtherRealEstateOwnedCommercialMember / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_ValuationTechniqueAxis = us-gaap_IncomeApproachValuationTechniqueMember | 8.40%us-gaap_FairValueInputsCapRate / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_OtherRealEstateOwnedCommercialMember / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_ValuationTechniqueAxis = us-gaap_IncomeApproachValuationTechniqueMember
Fair Value, Measurements, Nonrecurring [Member] | Other Real Estate Owned, Commercial [Member] | Minimum [Member] | Cost Approach Valuation Technique [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Fair Value Inputs, Accumulated Depreciation | 60.00%prk_FairValueInputsAccumulatedDepreciation / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_OtherRealEstateOwnedCommercialMember / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_ValuationTechniqueAxis = us-gaap_CostApproachValuationTechniqueMember | 60.00%prk_FairValueInputsAccumulatedDepreciation / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_OtherRealEstateOwnedCommercialMember / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_ValuationTechniqueAxis = us-gaap_CostApproachValuationTechniqueMember
Fair Value, Measurements, Nonrecurring [Member] | Other Real Estate Owned, Commercial [Member] | Maximum [Member] | Sales Comparison Approach Valuation Technique [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Fair Value Inputs, Comparability Adjustments | 60.00%us-gaap_FairValueInputsComparabilityAdjustments / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_OtherRealEstateOwnedCommercialMember / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_ValuationTechniqueAxis = prk_SalesComparisonApproachValuationTechniqueMember | 87.00%us-gaap_FairValueInputsComparabilityAdjustments / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_OtherRealEstateOwnedCommercialMember / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_ValuationTechniqueAxis = prk_SalesComparisonApproachValuationTechniqueMember
Fair Value, Measurements, Nonrecurring [Member] | Other Real Estate Owned, Commercial [Member] | Maximum [Member] | Income Approach Valuation Technique [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Fair Value Inputs, Cap Rate | 8.40%us-gaap_FairValueInputsCapRate / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_OtherRealEstateOwnedCommercialMember / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_ValuationTechniqueAxis = us-gaap_IncomeApproachValuationTechniqueMember | 10.00%us-gaap_FairValueInputsCapRate / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_OtherRealEstateOwnedCommercialMember / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_ValuationTechniqueAxis = us-gaap_IncomeApproachValuationTechniqueMember
Fair Value, Measurements, Nonrecurring [Member] | Other Real Estate Owned, Commercial [Member] | Maximum [Member] | Cost Approach Valuation Technique [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Fair Value Inputs, Accumulated Depreciation | 95.00%prk_FairValueInputsAccumulatedDepreciation / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_OtherRealEstateOwnedCommercialMember / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_ValuationTechniqueAxis = us-gaap_CostApproachValuationTechniqueMember | 95.00%prk_FairValueInputsAccumulatedDepreciation / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_OtherRealEstateOwnedCommercialMember / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_ValuationTechniqueAxis = us-gaap_CostApproachValuationTechniqueMember
Fair Value, Measurements, Nonrecurring [Member] | Other Real Estate Owned, Commercial [Member] | Real Estate [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Other Assets, Fair Value Disclosure | 862 us-gaap_OtherAssetsFairValueDisclosure / us-gaap_FairValueByAssetClassAxis = us-gaap_RealEstateMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_OtherRealEstateOwnedCommercialMember | 1,470 us-gaap_OtherAssetsFairValueDisclosure / us-gaap_FairValueByAssetClassAxis = us-gaap_RealEstateMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_OtherRealEstateOwnedCommercialMember
Fair Value, Measurements, Nonrecurring [Member] | Other Real Estate Owned, Commercial [Member] | Real Estate [Member] | Weighted Average [Member] | Sales Comparison Approach Valuation Technique [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Fair Value Inputs, Comparability Adjustments | 26.30%us-gaap_FairValueInputsComparabilityAdjustments / us-gaap_FairValueByAssetClassAxis = us-gaap_RealEstateMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_OtherRealEstateOwnedCommercialMember / us-gaap_RangeAxis = us-gaap_WeightedAverageMember / us-gaap_ValuationTechniqueAxis = prk_SalesComparisonApproachValuationTechniqueMember | 30.50%us-gaap_FairValueInputsComparabilityAdjustments / us-gaap_FairValueByAssetClassAxis = us-gaap_RealEstateMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_OtherRealEstateOwnedCommercialMember / us-gaap_RangeAxis = us-gaap_WeightedAverageMember / us-gaap_ValuationTechniqueAxis = prk_SalesComparisonApproachValuationTechniqueMember
Fair Value, Measurements, Nonrecurring [Member] | Other Real Estate Owned, Commercial [Member] | Real Estate [Member] | Weighted Average [Member] | Income Approach Valuation Technique [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Fair Value Inputs, Cap Rate | 8.40%us-gaap_FairValueInputsCapRate / us-gaap_FairValueByAssetClassAxis = us-gaap_RealEstateMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_OtherRealEstateOwnedCommercialMember / us-gaap_RangeAxis = us-gaap_WeightedAverageMember / us-gaap_ValuationTechniqueAxis = us-gaap_IncomeApproachValuationTechniqueMember | 9.40%us-gaap_FairValueInputsCapRate / us-gaap_FairValueByAssetClassAxis = us-gaap_RealEstateMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_OtherRealEstateOwnedCommercialMember / us-gaap_RangeAxis = us-gaap_WeightedAverageMember / us-gaap_ValuationTechniqueAxis = us-gaap_IncomeApproachValuationTechniqueMember
Fair Value, Measurements, Nonrecurring [Member] | Other Real Estate Owned, Commercial [Member] | Real Estate [Member] | Weighted Average [Member] | Cost Approach Valuation Technique [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Fair Value Inputs, Accumulated Depreciation | 77.50%prk_FairValueInputsAccumulatedDepreciation / us-gaap_FairValueByAssetClassAxis = us-gaap_RealEstateMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_OtherRealEstateOwnedCommercialMember / us-gaap_RangeAxis = us-gaap_WeightedAverageMember / us-gaap_ValuationTechniqueAxis = us-gaap_CostApproachValuationTechniqueMember | 77.50%prk_FairValueInputsAccumulatedDepreciation / us-gaap_FairValueByAssetClassAxis = us-gaap_RealEstateMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_OtherRealEstateOwnedCommercialMember / us-gaap_RangeAxis = us-gaap_WeightedAverageMember / us-gaap_ValuationTechniqueAxis = us-gaap_CostApproachValuationTechniqueMember
Fair Value, Measurements, Nonrecurring [Member] | Other Real Estate Owned, Construction [Member] | Minimum [Member] | Sales Comparison Approach Valuation Technique [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Fair Value Inputs, Comparability Adjustments | 0.00%us-gaap_FairValueInputsComparabilityAdjustments / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_OtherRealEstateOwnedConstructionMember / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_ValuationTechniqueAxis = prk_SalesComparisonApproachValuationTechniqueMember | 0.00%us-gaap_FairValueInputsComparabilityAdjustments / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_OtherRealEstateOwnedConstructionMember / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_ValuationTechniqueAxis = prk_SalesComparisonApproachValuationTechniqueMember
Fair Value, Measurements, Nonrecurring [Member] | Other Real Estate Owned, Construction [Member] | Minimum [Member] | Bulk Sale Approach Valuation Technique [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Fair Value Inputs, Discount Rate | 15.00%us-gaap_FairValueInputsDiscountRate / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_OtherRealEstateOwnedConstructionMember / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_ValuationTechniqueAxis = prk_BulkSaleApproachValuationTechniqueMember | 15.00%us-gaap_FairValueInputsDiscountRate / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_OtherRealEstateOwnedConstructionMember / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_ValuationTechniqueAxis = prk_BulkSaleApproachValuationTechniqueMember
Fair Value, Measurements, Nonrecurring [Member] | Other Real Estate Owned, Construction [Member] | Maximum [Member] | Sales Comparison Approach Valuation Technique [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Fair Value Inputs, Comparability Adjustments | 82.90%us-gaap_FairValueInputsComparabilityAdjustments / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_OtherRealEstateOwnedConstructionMember / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_ValuationTechniqueAxis = prk_SalesComparisonApproachValuationTechniqueMember | 82.90%us-gaap_FairValueInputsComparabilityAdjustments / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_OtherRealEstateOwnedConstructionMember / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_ValuationTechniqueAxis = prk_SalesComparisonApproachValuationTechniqueMember
Fair Value, Measurements, Nonrecurring [Member] | Other Real Estate Owned, Construction [Member] | Maximum [Member] | Bulk Sale Approach Valuation Technique [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Fair Value Inputs, Discount Rate | 15.00%us-gaap_FairValueInputsDiscountRate / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_OtherRealEstateOwnedConstructionMember / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_ValuationTechniqueAxis = prk_BulkSaleApproachValuationTechniqueMember | 15.00%us-gaap_FairValueInputsDiscountRate / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_OtherRealEstateOwnedConstructionMember / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_ValuationTechniqueAxis = prk_BulkSaleApproachValuationTechniqueMember
Fair Value, Measurements, Nonrecurring [Member] | Other Real Estate Owned, Construction [Member] | Real Estate [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Other Assets, Fair Value Disclosure | 6,455 us-gaap_OtherAssetsFairValueDisclosure / us-gaap_FairValueByAssetClassAxis = us-gaap_RealEstateMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_OtherRealEstateOwnedConstructionMember | 6,473 us-gaap_OtherAssetsFairValueDisclosure / us-gaap_FairValueByAssetClassAxis = us-gaap_RealEstateMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_OtherRealEstateOwnedConstructionMember
Fair Value, Measurements, Nonrecurring [Member] | Other Real Estate Owned, Construction [Member] | Real Estate [Member] | Weighted Average [Member] | Sales Comparison Approach Valuation Technique [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Fair Value Inputs, Comparability Adjustments | 27.30%us-gaap_FairValueInputsComparabilityAdjustments / us-gaap_FairValueByAssetClassAxis = us-gaap_RealEstateMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_OtherRealEstateOwnedConstructionMember / us-gaap_RangeAxis = us-gaap_WeightedAverageMember / us-gaap_ValuationTechniqueAxis = prk_SalesComparisonApproachValuationTechniqueMember | 27.10%us-gaap_FairValueInputsComparabilityAdjustments / us-gaap_FairValueByAssetClassAxis = us-gaap_RealEstateMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_OtherRealEstateOwnedConstructionMember / us-gaap_RangeAxis = us-gaap_WeightedAverageMember / us-gaap_ValuationTechniqueAxis = prk_SalesComparisonApproachValuationTechniqueMember
Fair Value, Measurements, Nonrecurring [Member] | Other Real Estate Owned, Construction [Member] | Real Estate [Member] | Weighted Average [Member] | Bulk Sale Approach Valuation Technique [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Fair Value Inputs, Discount Rate | 15.00%us-gaap_FairValueInputsDiscountRate / us-gaap_FairValueByAssetClassAxis = us-gaap_RealEstateMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_OtherRealEstateOwnedConstructionMember / us-gaap_RangeAxis = us-gaap_WeightedAverageMember / us-gaap_ValuationTechniqueAxis = prk_BulkSaleApproachValuationTechniqueMember | 15.00%us-gaap_FairValueInputsDiscountRate / us-gaap_FairValueByAssetClassAxis = us-gaap_RealEstateMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_OtherRealEstateOwnedConstructionMember / us-gaap_RangeAxis = us-gaap_WeightedAverageMember / us-gaap_ValuationTechniqueAxis = prk_BulkSaleApproachValuationTechniqueMember
Fair Value, Measurements, Nonrecurring [Member] | Other Real Estate Owned, Residential [Member] | Minimum [Member] | Sales Comparison Approach Valuation Technique [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Fair Value Inputs, Comparability Adjustments | 0.00%us-gaap_FairValueInputsComparabilityAdjustments / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_OtherRealEstateOwnedResidentialMember / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_ValuationTechniqueAxis = prk_SalesComparisonApproachValuationTechniqueMember | 0.00%us-gaap_FairValueInputsComparabilityAdjustments / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_OtherRealEstateOwnedResidentialMember / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_ValuationTechniqueAxis = prk_SalesComparisonApproachValuationTechniqueMember
Fair Value, Measurements, Nonrecurring [Member] | Other Real Estate Owned, Residential [Member] | Minimum [Member] | Income Approach Valuation Technique [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Fair Value Inputs, Cap Rate | 6.80%us-gaap_FairValueInputsCapRate / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_OtherRealEstateOwnedResidentialMember / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_ValuationTechniqueAxis = us-gaap_IncomeApproachValuationTechniqueMember | 6.80%us-gaap_FairValueInputsCapRate / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_OtherRealEstateOwnedResidentialMember / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_ValuationTechniqueAxis = us-gaap_IncomeApproachValuationTechniqueMember
Fair Value, Measurements, Nonrecurring [Member] | Other Real Estate Owned, Residential [Member] | Minimum [Member] | Cost Approach Valuation Technique [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Fair Value Inputs, Accumulated Depreciation | 60.00%prk_FairValueInputsAccumulatedDepreciation / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_OtherRealEstateOwnedResidentialMember / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_ValuationTechniqueAxis = us-gaap_CostApproachValuationTechniqueMember |
Fair Value, Measurements, Nonrecurring [Member] | Other Real Estate Owned, Residential [Member] | Maximum [Member] | Sales Comparison Approach Valuation Technique [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Fair Value Inputs, Comparability Adjustments | 51.20%us-gaap_FairValueInputsComparabilityAdjustments / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_OtherRealEstateOwnedResidentialMember / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_ValuationTechniqueAxis = prk_SalesComparisonApproachValuationTechniqueMember | 38.30%us-gaap_FairValueInputsComparabilityAdjustments / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_OtherRealEstateOwnedResidentialMember / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_ValuationTechniqueAxis = prk_SalesComparisonApproachValuationTechniqueMember
Fair Value, Measurements, Nonrecurring [Member] | Other Real Estate Owned, Residential [Member] | Maximum [Member] | Income Approach Valuation Technique [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Fair Value Inputs, Cap Rate | 17.40%us-gaap_FairValueInputsCapRate / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_OtherRealEstateOwnedResidentialMember / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_ValuationTechniqueAxis = us-gaap_IncomeApproachValuationTechniqueMember | 7.80%us-gaap_FairValueInputsCapRate / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_OtherRealEstateOwnedResidentialMember / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_ValuationTechniqueAxis = us-gaap_IncomeApproachValuationTechniqueMember
Fair Value, Measurements, Nonrecurring [Member] | Other Real Estate Owned, Residential [Member] | Maximum [Member] | Cost Approach Valuation Technique [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Fair Value Inputs, Accumulated Depreciation | 60.00%prk_FairValueInputsAccumulatedDepreciation / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_OtherRealEstateOwnedResidentialMember / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_ValuationTechniqueAxis = us-gaap_CostApproachValuationTechniqueMember |
Fair Value, Measurements, Nonrecurring [Member] | Other Real Estate Owned, Residential [Member] | Real Estate [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Other Assets, Fair Value Disclosure | 2,576 us-gaap_OtherAssetsFairValueDisclosure / us-gaap_FairValueByAssetClassAxis = us-gaap_RealEstateMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_OtherRealEstateOwnedResidentialMember | 2,369 us-gaap_OtherAssetsFairValueDisclosure / us-gaap_FairValueByAssetClassAxis = us-gaap_RealEstateMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_OtherRealEstateOwnedResidentialMember
Fair Value, Measurements, Nonrecurring [Member] | Other Real Estate Owned, Residential [Member] | Real Estate [Member] | Weighted Average [Member] | Sales Comparison Approach Valuation Technique [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Fair Value Inputs, Comparability Adjustments | 10.50%us-gaap_FairValueInputsComparabilityAdjustments / us-gaap_FairValueByAssetClassAxis = us-gaap_RealEstateMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_OtherRealEstateOwnedResidentialMember / us-gaap_RangeAxis = us-gaap_WeightedAverageMember / us-gaap_ValuationTechniqueAxis = prk_SalesComparisonApproachValuationTechniqueMember | 10.10%us-gaap_FairValueInputsComparabilityAdjustments / us-gaap_FairValueByAssetClassAxis = us-gaap_RealEstateMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_OtherRealEstateOwnedResidentialMember / us-gaap_RangeAxis = us-gaap_WeightedAverageMember / us-gaap_ValuationTechniqueAxis = prk_SalesComparisonApproachValuationTechniqueMember
Fair Value, Measurements, Nonrecurring [Member] | Other Real Estate Owned, Residential [Member] | Real Estate [Member] | Weighted Average [Member] | Income Approach Valuation Technique [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Fair Value Inputs, Cap Rate | 8.30%us-gaap_FairValueInputsCapRate / us-gaap_FairValueByAssetClassAxis = us-gaap_RealEstateMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_OtherRealEstateOwnedResidentialMember / us-gaap_RangeAxis = us-gaap_WeightedAverageMember / us-gaap_ValuationTechniqueAxis = us-gaap_IncomeApproachValuationTechniqueMember | 7.60%us-gaap_FairValueInputsCapRate / us-gaap_FairValueByAssetClassAxis = us-gaap_RealEstateMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_OtherRealEstateOwnedResidentialMember / us-gaap_RangeAxis = us-gaap_WeightedAverageMember / us-gaap_ValuationTechniqueAxis = us-gaap_IncomeApproachValuationTechniqueMember
Fair Value, Measurements, Nonrecurring [Member] | Other Real Estate Owned, Residential [Member] | Real Estate [Member] | Weighted Average [Member] | Cost Approach Valuation Technique [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Fair Value Inputs, Accumulated Depreciation | 60.00%prk_FairValueInputsAccumulatedDepreciation / us-gaap_FairValueByAssetClassAxis = us-gaap_RealEstateMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_OtherRealEstateOwnedResidentialMember / us-gaap_RangeAxis = us-gaap_WeightedAverageMember / us-gaap_ValuationTechniqueAxis = us-gaap_CostApproachValuationTechniqueMember |
Construction Real Estate, SEPH Commercial Land and Development [Member] | Fair Value, Measurements, Nonrecurring [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Loans Receivable, Fair Value Disclosure | 2,076 us-gaap_LoansReceivableFairValueDisclosure / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = prk_ConstructionRealEstateSephCommercialLandAndDevelopmentMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember | 2,078 us-gaap_LoansReceivableFairValueDisclosure / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = prk_ConstructionRealEstateSephCommercialLandAndDevelopmentMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember
Construction Real Estate, SEPH Commercial Land and Development [Member] | Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Loans Receivable, Fair Value Disclosure | 2,076 us-gaap_LoansReceivableFairValueDisclosure / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = prk_ConstructionRealEstateSephCommercialLandAndDevelopmentMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember | 2,078 us-gaap_LoansReceivableFairValueDisclosure / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = prk_ConstructionRealEstateSephCommercialLandAndDevelopmentMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember
Construction Real Estate - Remaining Commercial [Member] | Fair Value, Measurements, Nonrecurring [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Loans Receivable, Fair Value Disclosure | 3,199 us-gaap_LoansReceivableFairValueDisclosure / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = prk_ConstructionRealEstateRemainingCommercialMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember | 3,483 us-gaap_LoansReceivableFairValueDisclosure / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = prk_ConstructionRealEstateRemainingCommercialMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember
Construction Real Estate - Remaining Commercial [Member] | Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Loans Receivable, Fair Value Disclosure | 3,199 us-gaap_LoansReceivableFairValueDisclosure / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = prk_ConstructionRealEstateRemainingCommercialMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember | 3,483 us-gaap_LoansReceivableFairValueDisclosure / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = prk_ConstructionRealEstateRemainingCommercialMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember
Fair Value [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Impaired loans carried at fair value |  | 16,963 prk_ImpairedLoanFairValue / us-gaap_FairValueByMeasurementBasisAxis = us-gaap_EstimateOfFairValueFairValueDisclosureMember
Fair Value [Member] | Fair Value, Measurements, Nonrecurring [Member] | Commercial Real Estate Portfolio Segment [Member] | Market and Income Approach Valuation Technique [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Loans Receivable, Fair Value Disclosure | 2,163 us-gaap_LoansReceivableFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FairValueByMeasurementBasisAxis = us-gaap_EstimateOfFairValueFairValueDisclosureMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_CommercialRealEstatePortfolioSegmentMember / us-gaap_ValuationTechniqueAxis = prk_MarketAndIncomeApproachValuationTechniqueMember |
Fair Value [Member] | Fair Value, Measurements, Nonrecurring [Member] | Residential Real Estate [Member] | Market Approach Valuation Technique [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Loans Receivable, Fair Value Disclosure | 1,857 us-gaap_LoansReceivableFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FairValueByMeasurementBasisAxis = us-gaap_EstimateOfFairValueFairValueDisclosureMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_ResidentialRealEstateMember / us-gaap_ValuationTechniqueAxis = us-gaap_MarketApproachValuationTechniqueMember |
Fair Value [Member] | Construction Real Estate, SEPH Commercial Land and Development [Member] | Fair Value, Measurements, Nonrecurring [Member] | Construction Real Estate [Member] | Market Approach Valuation Technique [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Loans Receivable, Fair Value Disclosure | 2,076 us-gaap_LoansReceivableFairValueDisclosure / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = prk_ConstructionRealEstateSephCommercialLandAndDevelopmentMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FairValueByMeasurementBasisAxis = us-gaap_EstimateOfFairValueFairValueDisclosureMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_ConstructionRealEstateMember / us-gaap_ValuationTechniqueAxis = us-gaap_MarketApproachValuationTechniqueMember |
Fair Value [Member] | Construction Real Estate - Remaining Commercial [Member] | Fair Value, Measurements, Nonrecurring [Member] | Construction Real Estate [Member] | Market Approach Valuation Technique [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Loans Receivable, Fair Value Disclosure | 3,199 us-gaap_LoansReceivableFairValueDisclosure / us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis = prk_ConstructionRealEstateRemainingCommercialMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FairValueByMeasurementBasisAxis = us-gaap_EstimateOfFairValueFairValueDisclosureMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = prk_ConstructionRealEstateMember / us-gaap_ValuationTechniqueAxis = us-gaap_MarketApproachValuationTechniqueMember |

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- Definition Fair Value Inputs, Accumulated Depreciation + References No definition available. + Details
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- Definition Impaired Loan Fair Value + References No definition available. + Details
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- Definition Ratio of the net operating income produced by an asset and its capital cost (original prices paid to buy the asset), used as an input to measure fair value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 + Details
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- Definition Percentage of adjustment to the observed price for a similar asset or liability when an identical transaction does not exist, used as an input to measure fair value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 + Details
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- Definition Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 + Details
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- Definition Fair value portion of loans held-for-sale including, but not limited to, mortgage loans and finance receivables. + References No definition available. + Details
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- Definition Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Glossary Loan -URI http://asc.fasb.org/extlink&oid=6517073 + Details
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