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Earnings Per Share (Tables) | 12 Months Ended
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Dec. 31, 2016
Earnings Per Share [Abstract] |
Schedule of Computation of Basic and Diluted Earnings Per Share | The computation of basic and diluted earnings per share is as follows:
| Years Ended December 31,
| 2016 |  | 2015 |  | 2014
($ in thousands, except per share amounts) |  |  |  |  |
Net Income | $ | 48,763 |  |  | $ | 30,671 |  |  | $ | 96,965 |
Noncontrolling interests | (261 | ) |  | 4,435 |  |  | 735 |
Net Income Attributable to Common Stockholders | $ | 48,502 |  |  | $ | 35,106 |  |  | $ | 97,700 |
Shares: |  |  |  |  |
Basic: Weighted-average number of shares outstanding | 7,648 |  |  | 8,797 |  |  | 9,091 |
Plus: Incremental shares from assumed conversion of dilutive instruments | 174 |  |  | 163 |  |  | 201 |
Diluted: Weighted-average number of shares outstanding | 7,822 |  |  | 8,960 |  |  | 9,292 |
Earnings per share—basic | $ | 6.34 |  |  | $ | 3.99 |  |  | $ | 10.75 |
Earnings per share—diluted | $ | 6.20 |  |  | $ | 3.92 |  |  | $ | 10.51 |

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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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