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Earnings per Share (Tables) | 12 Months Ended
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Dec. 31, 2012
Composition of Weighted-Average Common Shares (Denominator) Used in Basic and Diluted Earnings Per Share | The following table summarizes the composition of the weighted-average common shares (denominator) used in the basic and diluted earnings per share computation for the years ending December 31:
|  | 2012 |  |  | 2011 |  |  | 2010 |
Weighted average common shares issued |  |  | 105,563,455 |  |  |  | 105,550,310 |  |  |  | 94,388,523 |
Average treasury shares |  |  | (1,456,953 | ) |  |  | (657,633 | ) |  |  | (828,523 | )
Averaged unearned ESOP shares |  |  | (38,393 | ) |  |  | (165,010 | ) |  |  | (319,726 | )
Average unearned nonvested shares |  |  | (182,713 | ) |  |  | (27,440 | ) |  |  | (43,049 | )
Weighted average common shares and common stock equivalents used to calculate basic earnings per share |  |  | 103,885,396 |  |  |  | 104,700,227 |  |  |  | 93,197,225 |
Additional common stock equivalents (nonvested stock) used to calculate diluted earnings per share |  |  | 171 |  |  |  | 119 |  |  |  | 0 |
Additional common stock equivalents (stock options) used to calculate diluted earnings per share |  |  | 96 |  |  |  | 47 |  |  |  | 2,548 |
Weighted average common shares and common stock equivalents used to calculate diluted earnings per share |  |  | 103,885,663 |  |  |  | 104,700,393 |  |  |  | 93,199,773 |
Common Stock Equivalents Not Included in Computation of Diluted Earnings Per Share | The following table shows the number of shares and the price per share related to common stock equivalents that were not included in the computation of diluted earnings per share for the years ended December 31, because to do so would have been anti-dilutive.
|  | 2012 |  |  | 2011 |  |  | 2010 |
|  |  |  |  | Price Range |  |  |  |  |  | Price Range |  |  |  |  |  | Price Range |
|  | Shares |  |  | From |  |  | To |  |  | Shares |  |  | From |  |  | To |  |  | Shares |  |  | From |  |  | To |
Stock Options |  |  | 268,630 |  |  | $ | 6.90 |  |  | $ | 14.55 |  |  |  | 496,863 |  |  | $ | 6.36 |  |  | $ | 14.55 |  |  |  | 610,594 |  |  | $ | 6.36 |  |  | $ | 14.55 |
Restricted Stock |  |  | 163,509 |  |  |  | 5.26 |  |  |  | 6.82 |  |  |  | 22,502 |  |  |  | 5.70 |  |  |  | 6.82 |  |  |  | 17,370 |  |  |  | 5.70 |  |  |  | 12.35 |

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- Definition Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities. + 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 (c) -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 -Subparagraph c -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
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- Definition Tabular disclosure of the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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