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Quarterly Financial Data (Tables) | 12 Months Ended
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Dec. 31, 2012
Summarized Quarterly Financial Data | The following table sets forth our unaudited, quarterly results for the periods indicated:
|  | For the Three Months Ended |
|  | March 31 |  |  | June 30 |  |  | September 30 |  |  | December 31 |
|  | (Dollars in thousands, except per share amounts) |
2012 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net interest income |  | $ | 58,602 |  |  | $ | 62,960 |  |  | $ | 59,744 |  |  | $ | 55,644 |
Provision for credit losses |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Net earnings |  |  | 22,268 |  |  |  | 23,619 |  |  |  | 9,257 |  |  |  | 22,136 |
Basic earnings per common share |  |  | 0.21 |  |  |  | 0.23 |  |  |  | 0.09 |  |  |  | 0.21 |
Diluted earnings per common share |  |  | 0.21 |  |  |  | 0.23 |  |  |  | 0.09 |  |  |  | 0.21 |
2011 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net interest income |  | $ | 57,109 |  |  | $ | 62,395 |  |  | $ | 55,980 |  |  | $ | 55,197 |
Provision for credit losses |  |  | 7,068 |  |  |  | — |  |  |  | — |  |  |  | — |
Net earnings |  |  | 16,600 |  |  |  | 21,038 |  |  |  | 22,383 |  |  |  | 21,712 |
Basic earnings per common share |  |  | 0.16 |  |  |  | 0.20 |  |  |  | 0.21 |  |  |  | 0.21 |
Diluted earnings per common share |  |  | 0.16 |  |  |  | 0.20 |  |  |  | 0.21 |  |  |  | 0.21 |

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- Definition Tabular disclosure of the quarterly financial data in the annual financial statements. The disclosure includes financial information for each fiscal quarter for the current and previous year, including revenues, gross profit, income (loss) before extraordinary items and cumulative effect of a change in accounting principle and earnings per share data. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a)-(j) -URI http://asc.fasb.org/extlink&oid=20225539&loc=d3e1280-108306 + Details
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