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Earnings Per Common Share | 9 Months Ended
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Sep. 30, 2011
Earnings Per Common Share [Abstract] |
Earnings Per Common Share | Note 6 – Earnings Per Common Share The following table sets forth the computation of basic and diluted earnings per common share for the three and nine months ended September 30, 2011 and 2010.
(in thousands, except share and per share data) |  | Three months ended September 30, |  |  | Nine months ended September 30, |
|  | 2011 |  |  | 2010 |  |  | 2011 |  |  | 2010 |
Numerator: |  |  |  |  |  |  |  |  |  |  |  |
Income available to common shareholders |  | $ | 16,845 |  |  | $ | 18,125 |  |  | $ | 55,612 |  |  | $ | 57,167 |
Denominator: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Denominator for basic earnings per share (weighted average common shares outstanding) |  |  | 15,398,909 |  |  |  | 15,272,720 |  |  |  | 15,398,919 |  |  |  | 15,090,113 |
Effect of dilutive options and warrants |  |  | - |  |  |  | - |  |  |  | 1,722 |  |  |  | - |
Denominator for diluted earnings per share (weighted average common shares outstanding adjusted for the effect of dilutive options and warrants) |  |  | 15,398,909 |  |  |  | 15,272,720 |  |  |  | 15,400,641 |  |  |  | 15,090,113 |
Earnings per common share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic earnings per common share |  | $ | 1.09 |  |  | $ | 1.19 |  |  | $ | 3.61 |  |  | $ | 3.79 |
Diluted earnings per common share |  | $ | 1.09 |  |  | $ | 1.19 |  |  | $ | 3.61 |  |  | $ | 3.79 |
As of September 30, 2011 and 2010, options to purchase 74,570 and 82,175 common shares, respectively, were outstanding under the Park National Corporation 2005 Incentive Stock Option Plan (the "2005 Plan"). A warrant to purchase 227,376 common shares was outstanding at both September 30, 2011 and 2010 as a result of Park's participation in the U.S. Treasury's Capital Purchase Program (the "CPP"). Additionally, warrants to purchase an aggregate of 35,992 common shares (the "December 2010 Warrants") were outstanding at September 30, 2011 as a result of the issuance of common stock and warrants on December 10, 2010. Warrants to purchase an aggregate of 80,500 common shares (the "October 2009 Warrants") were outstanding at September 30, 2010 as a result of the issuance of common stock and warrants on October 30, 2009. All October 2009 Warrants were exercised or expired as of October 30, 2010 and thus had no impact on the three or nine month periods ended September 30, 2011. The common shares represented by the options, the CPP Warrant (for the three month period only), and the December 2010 Warrants for the three and nine months ended September 30, 2011, totaling a weighted average of 338,743 and 133,343, respectively, and the common shares represented by the options, the CPP Warrant and the October 2009 Warrants for the three and nine months ended September 30, 2010, totaling a weighted average of 420,778 and 604,010, respectively, were not included in the computation of diluted earnings per common share because the respective exercise prices exceeded the market value of the underlying common shares such that their inclusion would have had an anti-dilutive effect. The warrant to purchase 227,376 common shares issued under the CPP was not included in the nine month weighted average of 133,343 at September 30, 2011, as the dilutive effect of this warrant was 1,722 shares of common stock for the nine month period ended September 30, 2011. The exercise price of the CPP warrant to purchase 227,376 common shares is $65.97.

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6920599&loc=d3e1252-109256 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 55 -Paragraph 52 -URI http://asc.fasb.org/extlink&oid=6945512&loc=d3e4984-109258 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 40 -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 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6920599&loc=d3e1278-109256 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.21) -URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688 + Details
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