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Earnings Per Share | 9 Months Ended
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Sep. 30, 2013
Earnings Per Share [Abstract] |
Earnings Per Share | Earnings per Share The following table sets forth the computation of basic and diluted earnings per share (in thousands, except per share data):
| Three months ended September 30, |  | Nine months ended September 30,
2013 |  | 2012 |  | 2013 |  | 2012
Distributed earnings allocated to common stock | $ | 5,767 |  |  | $ | 5,150 |  |  | $ | 17,302 |  |  | $ | 15,451 |
Undistributed earnings allocated to common stock | 8,081 |  |  | 5,373 |  |  | 17,349 |  |  | 12,375 |
Net earnings allocated to common shareholders | $ | 13,848 |  |  | $ | 10,523 |  |  | $ | 34,651 |  |  | $ | 27,826 |
Average shares outstanding | 15,608 |  |  | 14,751 |  |  | 15,545 |  |  | 14,700 |
Effect of dilutive securities: |  |  |  |  |  |  |  |  |  |  |
Warrants outstanding | 62 |  |  | — |  |  | 60 |  |  | — |
Employee stock awards | 120 |  |  | 83 |  |  | 108 |  |  | 83 |
Shares for diluted earnings per share | 15,790 |  |  | 14,834 |  |  | 15,713 |  |  | 14,783 |
Basic earnings per share | $ | 0.89 |  |  | $ | 0.71 |  |  | $ | 2.23 |  |  | $ | 1.89 |
Diluted earnings per share | $ | 0.88 |  |  | $ | 0.71 |  |  | $ | 2.21 |  |  | $ | 1.88 |
Options to purchase approximately 124,000 shares of common stock at an exercise price between $35.09 and $40.88 per share were outstanding during the third quarter of 2012 but were not included in the computation of diluted earnings per share because the options’ exercise price was greater than the average market price of the common shares and therefore, the effect would have been anti-dilutive. During the third quarter of 2013, there were no anti-dilutive options outstanding.

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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 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 2: 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FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 40 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 3: 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 Reference 4: 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=7655603&loc=d3e1252-109256 Reference 5: 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=16381557&loc=d3e4984-109258 Reference 6: 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=7655603&loc=d3e1278-109256 + Details
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