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Earnings per Share (Tables) | 6 Months Ended
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Jun. 30, 2013
Earnings Per Share [Abstract] |
Schedule of Computation of Basic and Diluted EPS | The computation of basic and diluted EPS is as follows:
|  | Three Months Ended June 30, |  |  | Six Months Ended June 30, |
|  | 2013 |  |  | 2012 |  |  | 2013 |  |  | 2012 |
($ in thousands, except per share amounts) |  |  |  |  |  |  |  |  |  |  |  |
Net Income |  | $ | 14,783 |  |  | $ | 8,367 |  |  | $ | 28,968 |  |  | $ | 13,817 |
Noncontrolling interests |  |  | 602 |  |  |  | — |  |  |  | 377 |  |  |  | — |
Allocation of earnings to preferred stockholders |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (64 | )
Net Income Attributable to Common Stockholders |  | $ | 15,385 |  |  | $ | 8,367 |  |  |  | 29,345 |  |  | $ | 13,753 |
Shares (in thousands): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic: Weighted-average number of shares outstanding |  |  | 7,821 |  |  |  | 7,763 |  |  |  | 7,821 |  |  |  | 7,615 |
Plus: Incremental shares from assumed conversion of dilutive instruments |  |  | 237 |  |  |  | 318 |  |  |  | 252 |  |  |  | 408 |
Diluted: Weighted-average number of shares outstanding |  |  | 8,058 |  |  |  | 8,081 |  |  |  | 8,073 |  |  |  | 8,023 |
Earnings per share - basic |  | $ | 1.97 |  |  | $ | 1.08 |  |  | $ | 3.75 |  |  | $ | 1.81 |
Earnings per share - diluted |  | $ | 1.91 |  |  | $ | 1.04 |  |  | $ | 3.64 |  |  | $ | 1.71

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + 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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