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Quarterly Financial Data (unaudited) (Tables) | 12 Months Ended
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Dec. 31, 2013 | Dec. 31, 2012
Quarterly Financial Data | The following is unaudited quarterly data for 2013 and 2012 (amounts in thousands, except for per share amounts):
2013 |  | First Quarter 03/31 |  | Second Quarter 6/30 |  | Third Quarter 9/30 |  | Fourth Quarter 12/31
Total revenues |  | $ | 183,775 |  |  | $ | 176,753 |  |  | $ | 187,966 |  |  | $ | 179,881 |
Income from operations |  | $ | 70,332 |  |  | $ | 56,597 |  |  | $ | 64,779 |  |  | $ | 62,843 |
Consolidated net income |  | $ | 40,470 |  |  | $ | 21,786 |  |  | $ | 34,936 |  |  | $ | 28,713 |
Net income available for Common Shares |  | $ | 35,027 |  |  | $ | 17,860 |  |  | $ | 29,872 |  |  | $ | 24,160 |
Weighted average Common Shares outstanding—Basic |  | 83,026 |  |  | 83,021 |  |  | 83,021 |  |  | 83,003 |
Weighted average Common Shares outstanding—Diluted |  | 91,060 |  |  | 91,128 |  |  | 91,259 |  |  | 91,334 |
Net income per Common Share outstanding—Basic |  | $ | 0.42 |  |  | $ | 0.22 |  |  | $ | 0.36 |  |  | $ | 0.29 |
Net income per Common Share outstanding—Diluted |  | $ | 0.42 |  |  | $ | 0.21 |  |  | $ | 0.36 |  |  | $ | 0.29 |
2012 |  | First Quarter 03/31 |  | Second Quarter 6/30 |  | Third Quarter 9/30 |  | Fourth Quarter 12/31
Total revenues (a) |  | $ | 174,947 |  |  | $ | 168,383 |  |  | $ | 175,064 |  |  | $ | 165,312 |
Income from operations (a) |  | $ | 52,535 |  |  | $ | 41,657 |  |  | $ | 53,882 |  |  | $ | 58,369 |
Consolidated net income (a) |  | $ | 17,654 |  |  | $ | 6,298 |  |  | $ | 21,492 |  |  | $ | 29,015 |
Net income available for Common Shares (a) |  | $ | 12,432 |  |  | $ | 2,063 |  |  | $ | 16,009 |  |  | $ | 24,275 |
Weighted average Common Shares outstanding—Basic |  | 82,176 |  |  | 82,262 |  |  | 82,380 |  |  | 82,569 |
Weighted average Common Shares outstanding—Diluted |  | 90,738 |  |  | 90,780 |  |  | 90,894 |  |  | 90,944 |
Net income per Common Share outstanding—Basic |  | $ | 0.15 |  |  | $ | 0.03 |  |  | $ | 0.19 |  |  | $ | 0.29 |
Net income per Common Share outstanding—Diluted |  | $ | 0.15 |  |  | $ | 0.02 |  |  | $ | 0.19 |  |  | $ | 0.29 |
2012 |  | First Quarter 03/31 |  | Second Quarter 6/30 |  | Third Quarter 9/30 |  | Fourth Quarter 12/31
Total revenues (a) |  | $ | 174,947 |  |  | $ | 168,383 |  |  | $ | 175,064 |  |  | $ | 165,312 |
Income from operations (a) |  | $ | 52,535 |  |  | $ | 41,657 |  |  | $ | 53,882 |  |  | $ | 58,369 |
Consolidated net income (a) |  | $ | 17,654 |  |  | $ | 6,298 |  |  | $ | 21,492 |  |  | $ | 29,015 |
Net income available for Common Shares (a) |  | $ | 12,432 |  |  | $ | 2,063 |  |  | $ | 16,009 |  |  | $ | 24,275 |
Weighted average Common Shares outstanding—Basic |  | 82,176 |  |  | 82,262 |  |  | 82,380 |  |  | 82,569 |
Weighted average Common Shares outstanding—Diluted |  | 90,738 |  |  | 90,780 |  |  | 90,894 |  |  | 90,944 |
Net income per Common Share outstanding—Basic |  | $ | 0.15 |  |  | $ | 0.03 |  |  | $ | 0.19 |  |  | $ | 0.29 |
Net income per Common Share outstanding—Diluted |  | $ | 0.15 |  |  | $ | 0.02 |  |  | $ | 0.19 |  |  | $ | 0.29 |
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(a) | Certain 2012 amounts have been reclassified to conform to the 2013 presentation. The reclassification had no material effect on the consolidated financial statements.

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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=25249566&loc=d3e1280-108306 + Details
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