XML 63 R74.htm IDEA: XBRL DOCUMENT
v2.3.0.15

Participation In The U.S. Treasury Capital Purchase Program (CPP) (Details) (USD $) In Millions, except Share data, unless otherwise specified | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2011 | Sep. 30, 2011 | Dec. 23, 2008
Participation In The U.S. Treasury Capital Repurchase Program [Line Items] |  |  |
Cumulative perpetual preferred shares issued |  |  | 100,000,000
Liquidation preference per senior preferred shares |  |  | $ 1,000
Charge to retained earnings representing preferred stock dividend and accretion of discount | $ 1.5 | $ 4.4 |
Warrant issued to U.S. Treasury relating to CPP |  | 227,376 |
Issued warrants as a percentage of senior preferred shares purchased |  | 15.00% |
Warrant issued to U.S. treasury relating to CPP, exercise price |  | $ 65.97 |
Trailing average in days |  | 20 |
Term of warrants in years |  | 10 |
Revised Cumulative Dividends Rate [Member] |  |  |
Participation In The U.S. Treasury Capital Repurchase Program [Line Items] |  |  |
Preferred stock, dividend rate, percentage |  | 9.00% |
Cumulative Dividends Rate [Member] |  |  |
Participation In The U.S. Treasury Capital Repurchase Program [Line Items] |  |  |
Preferred stock, dividend rate, percentage |  | 5.00% |

X
- Definition Issued warrants as a percentage of senior preferred shares purchased + Details
Name: | prk_IssuedWarrantsAsPercentageOfSeniorPreferredSharesPurchased
Namespace Prefix: | prk
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Participation in the U.S. Treasury capital repurchase program [Line Items] + Details
Name: | prk_ParticipationInUSTreasuryCapitalRepurchaseProgramLineItems
Namespace Prefix: | prk
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Preferred Stock Dividend And Accretion Of Discount + Details
Name: | prk_PreferredStockDividendAndAccretionOfDiscount
Namespace Prefix: | prk
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Term of Warrants + Details
Name: | prk_TermOfWarrants
Namespace Prefix: | prk
Data Type: | xbrli:positiveIntegerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Trailing average in days + Details
Name: | prk_TrailingAverageInDays
Namespace Prefix: | prk
Data Type: | xbrli:positiveIntegerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Warrant Issued Exercise Price + Details
Name: | prk_WarrantIssuedExercisePrice
Namespace Prefix: | prk
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Warrant Issued Shares + Details
Name: | prk_WarrantIssuedShares
Namespace Prefix: | prk
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The percentage rate used to calculate dividend payments on preferred stock. + Details
Name: | us-gaap_PreferredStockDividendRatePercentage
Namespace Prefix: | us-gaap
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The per share liquidation preference (or restrictions) of nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) that has a preference in involuntary liquidation considerably in excess of the par or stated value of the shares. The liquidation preference is the difference between the preference in liquidation and the par or stated values of the share. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21484-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 5 -Section 02 -Paragraph 29 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(d)(1)) -URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 4 -Section 08 -Paragraph d Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 129 -Paragraph 4, 6 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
Name: | us-gaap_PreferredStockLiquidationPreference
Namespace Prefix: | us-gaap
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 5 -Section 02 -Paragraph 29 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.28) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_PreferredStockSharesIssued
Namespace Prefix: | us-gaap
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant