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Stock Option Plan | 9 Months Ended
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Sep. 30, 2011
Stock Option Plan [Abstract] |
Stock Option Plan | Note 8 – Stock Option Plan Park did not grant any stock options during the nine month periods ended September 30, 2011 and 2010. Additionally, no stock options vested during the first nine months of 2011 or 2010. The following table summarizes stock option activity during the first nine months of 2011.
|  | Stock Options |  |  | Weighted Average Exercise Price Per Share |
Outstanding at December 31, 2010 |  |  | 78,075 |  |  | $ | 74.96 |
Granted |  |  | - |  |  |  | - |
Exercised |  |  | - |  |  |  | - |
Forfeited/Expired |  |  | 3,505 |  |  |  | 74.96 |
Outstanding at September 30, 2011 |  |  | 74,570 |  |  | $ | 74.96 |
All of the stock options outstanding at September 30, 2011 were exercisable. The aggregate intrinsic value of the outstanding stock options at September 30, 2011 was $0. In addition, no stock options were exercised during the first nine months of 2011 or 2010. The weighted average contractual remaining term was 1.19 years for the stock options outstanding at September 30, 2011. All of the common shares delivered upon exercise of incentive stock options granted under the Park National Corporation 2005 Incentive Stock Option Plan (the "2005 Plan") are to be treasury shares. At September 30, 2011, incentive stock options granted under the 2005 Plan covering 74,570 common shares were outstanding. At September 30, 2011, Park held 488,761 treasury shares that are available for the 2005 Plan.

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- Definition The entire disclosure for compensation-related costs for equity-based compensation, which may include disclosure of policies, compensation plan details, allocation of equity compensation, incentive distributions, equity-based arrangements to obtain goods and services, deferred compensation arrangements, employee stock ownership plan details and employee stock purchase plan details. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5444-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Statement of Position (SOP) -Number 93-6 -Paragraph 53 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 14 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph 64, 65, A240 -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. Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 40 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6418621&loc=d3e17540-113929 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 50 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6406099&loc=d3e25284-112666 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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