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Equity Based Plans (Tables) | 12 Months Ended
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Dec. 31, 2015
Equity Based Plans [Abstract] |
Summary of Cumulative Summary of Equity Plans | A cumulative summary of equity plans as of December 31, 2015 follows:
| Authorized | Restricted Stock Issued | Outstanding Stock Options | Stock Options Exercised | Stock Options Exercisable | Shares Available for Grant
Equity Plans |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amended 1999 Plan |  | 600,000 |  |  | 377,552 |  |  | — |  |  | 139,791 |  |  | — |  |  | 82,657 |
Amended 2003 Plan |  | 1,750,000 |  |  | 705,382 |  |  | — |  |  | 778,300 |  |  | — |  |  | 266,318 |
|  | 2,350,000 |  |  | 1,082,934 |  |  | — |  |  | 918,091 |  |  | — |  |  | 348,975 |
Summary of Restricted Stock Granted to Directors, Officers and Employees Pursuant to Its Equity Plans | During 2015, 2014 and 2013, the Company granted the following shares (net of those shares cancelled in their respective grant year due to employee terminations prior to restrictions lapsing) of restricted stock to directors, officers and employees pursuant to its equity plans as follows:
Year Granted | Number of Shares | Weighted Average Fair Value Per Share
2013 |  | 174,938 |  | $ | 23.52 |
2014 |  | 159,443 |  | $ | 33.29 |
2015 |  | 147,928 |  | $ | 41.66 |

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- Definition Tabular disclosure of share-based compensation plans that may be presented in a single table for outstanding, vested and expected to vest, and exercisable awards. The information that may be disclosed in this table may include, but is not limited to, number of shares, weighted average exercise price, weighted average remaining contractual life, and aggregate intrinsic value. + References No definition available. + Details
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- Definition Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year. + References No definition available. + Details
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