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v2.4.1.9

Investment in Qualified Affordable Housing (Details) (USD $) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2015 | Mar. 31, 2014 | Dec. 31, 2014
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Affordable Housing Program Assessments | $ 1,700,000 us-gaap_AffordableHousingProgramAssessments |  |
Affordable Housing Program Obligation | 14,038,000 us-gaap_AffordableHousingProgramObligation |  | 16,629,000 us-gaap_AffordableHousingProgramObligation
Affordable Housing Program Tax Credits | 2,300,000 prk_AffordableHousingProgramTaxCredits | 2,200,000 prk_AffordableHousingProgramTaxCredits |
Other Assets [Member] | Scenario, Previously Reported [Member] | Investment, Name [Domain] |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
New Accounting Pronouncement or Change in Accounting Principle, Description |  |  | 140803
Other Assets [Member] | Restatement Adjustment [Member] | Investment, Name [Domain] |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
New Accounting Pronouncement or Change in Accounting Principle, Description |  |  | 138746
Retained Earnings [Member] | Scenario, Previously Reported [Member] | Investment, Name [Domain] |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
New Accounting Pronouncement or Change in Accounting Principle, Description |  |  | 486541
Retained Earnings [Member] | Restatement Adjustment [Member] | Investment, Name [Domain] |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
New Accounting Pronouncement or Change in Accounting Principle, Description |  |  | 484484
Assets [Member] | Scenario, Previously Reported [Member] | Investment, Name [Domain] |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
New Accounting Pronouncement or Change in Accounting Principle, Description |  |  | 7003256
Assets [Member] | Restatement Adjustment [Member] | Investment, Name [Domain] |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
New Accounting Pronouncement or Change in Accounting Principle, Description |  |  | 7001199
Equity [Member] | Scenario, Previously Reported [Member] | Investment, Name [Domain] |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
New Accounting Pronouncement or Change in Accounting Principle, Description |  |  | 698598
Equity [Member] | Restatement Adjustment [Member] | Investment, Name [Domain] |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
New Accounting Pronouncement or Change in Accounting Principle, Description |  |  | 696541
Qualified Affordable Housing [Domain] |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Equity Method Investments | $ 47,184,000 us-gaap_EquityMethodInvestments / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = prk_QualifiedAffordableHousingDomain |  | 48,911,000 us-gaap_EquityMethodInvestments / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = prk_QualifiedAffordableHousingDomain
Other Income [Member] | Scenario, Previously Reported [Member] | Investment, Name [Domain] |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
New Accounting Pronouncement or Change in Accounting Principle, Description |  | 47698 | 195234
Other Income [Member] | Restatement Adjustment [Member] | Investment, Name [Domain] |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
New Accounting Pronouncement or Change in Accounting Principle, Description |  | 45779 | 187510
Income Tax Expense [Member] | Scenario, Previously Reported [Member] | Investment, Name [Domain] |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
New Accounting Pronouncement or Change in Accounting Principle, Description |  | 6036 | 28602
Income Tax Expense [Member] | Restatement Adjustment [Member] | Investment, Name [Domain] |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
New Accounting Pronouncement or Change in Accounting Principle, Description |  | 7997 | 36459
Net Income [Domain] | Scenario, Previously Reported [Member] | Investment, Name [Domain] |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
New Accounting Pronouncement or Change in Accounting Principle, Description |  | 19619 | 84090
Net Income [Domain] | Restatement Adjustment [Member] | Investment, Name [Domain] |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
New Accounting Pronouncement or Change in Accounting Principle, Description |  | 19577 | 83957

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- Definition Affordable Housing Program Tax Credits + References No definition available. + Details
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- Definition Amount of expense for Affordable Housing Program (AHP) assessments required by the Federal Home Loan Bank Act of 1932. + References No definition available. + Details
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- Definition Amount of obligation related to Affordable Housing Program (AHP) assessments required by the Federal Home Loan Bank Act of 1932. + References No definition available. + Details
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- Definition This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.12) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35755396&loc=d3e33749-111570 + Details
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