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Earnings Per Share (Tables) | 9 Months Ended
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Sep. 30, 2016
Earnings Per Share [Abstract] |
Summary of Numerator and Denominator of Basic and Diluted Earnings Per Common Share | A summary of the numerator and denominator of the basic and diluted earnings per common share is presented below.
|  | Three Months Ended |  |  | Three Months Ended |
|  | September 30, 2016 |  |  | September 30, 2015 |
|  | Income |  |  | Shares* |  |  | Per Share |  |  | Income |  |  | Shares* |  |  | Per Share |
|  | (Numerator) |  |  | (Denominator) |  |  | Amount |  |  | (Numerator) |  |  | (Denominator) |  |  | Amount |
Net income |  | $ | 11,333 |  |  |  |  |  |  |  |  |  |  | $ | 7,371 |  |  |  |  |  |  |  |  |
Less: Income attributable to participating securities |  |  | (557 | ) |  |  |  |  |  |  |  |  |  |  | (437 | ) |  |  |  |  |  |  |  |
Basic Earnings Per Share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income allocated to common stockholders |  |  | 10,776 |  |  |  | 9,209 |  |  | $ | 1.17 |  |  |  | 6,934 |  |  |  | 9,635 |  |  | $ | 0.72 |
Effect of Dilutive Securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock options |  |  | — |  |  |  | 62 |  |  |  |  |  |  |  | — |  |  |  | 85 |  |  |  |  |
Convertible senior notes |  |  | 1,028 |  |  |  | 1,447 |  |  |  |  |  |  |  | 1,132 |  |  |  | 1,651 |  |  |  |  |
Diluted Earnings Per Share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income available to common stockholders and assumed conversions |  | $ | 11,804 |  |  |  | 10,718 |  |  | $ | 1.10 |  |  | $ | 8,066 |  |  |  | 11,371 |  |  | $ | 0.71 |
|  | Nine Months Ended |  |  | Nine Months Ended |
|  | September 30, 2016 |  |  | September 30, 2015 |
|  | Income |  |  | Shares* |  |  | Per Share |  |  | Income |  |  | Shares* |  |  | Per Share |
|  | (Numerator) |  |  | (Denominator) |  |  | Amount |  |  | (Numerator) |  |  | (Denominator) |  |  | Amount |
Net income |  | $ | 24,413 |  |  |  |  |  |  |  |  |  |  | $ | 54,771 |  |  |  |  |  |  |  |  |
Less: Income attributable to participating securities |  |  | (1,158 | ) |  |  |  |  |  |  |  |  |  |  | (3,182 | ) |  |  |  |  |  |  |  |
Basic Earnings Per Share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income allocated to common stockholders |  |  | 23,255 |  |  |  | 9,395 |  |  | $ | 2.48 |  |  |  | 51,589 |  |  |  | 9,585 |  |  | $ | 5.38 |
Effect of Dilutive Securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock options |  |  | — |  |  |  | 62 |  |  |  |  |  |  |  | — |  |  |  | 112 |  |  |  |  |
Convertible senior notes |  |  | 3,206 |  |  |  | 1,507 |  |  |  |  |  |  |  | 3,363 |  |  |  | 1,650 |  |  |  |  |
Diluted Earnings Per Share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income available to common stockholders and assumed conversions |  | $ | 26,461 |  |  |  | 10,964 |  |  | $ | 2.41 |  |  | $ | 54,952 |  |  |  | 11,347 |  |  | $ | 4.84 |
* | weighted-average

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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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