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Stock-Based Compensation (Tables) | 3 Months Ended
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Mar. 31, 2014
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] |
Summary of Company's Stock Option Plan Activity | A summary of the stock option activity for the three months ended March 31, 2014 and 2013 is as follows:
|  | Number of Options |  |  | Weighted Average Exercise Price |  |  | Weighted Average Remaining Contractual Term |  |  | Aggregate Intrinsic Value |
Outstanding at January 1, 2014 |  |  | 280,000 |  |  | $ | 2.91 |  |  |  | 3.9 years |  |  | $ | 14,166 |
Exercised |  |  | (50,000 | ) |  | $ | 2.50 |  |  |  |  |  |  |  |  |
Outstanding at March 31, 2014 |  |  | 230,000 |  |  | $ | 3.00 |  |  |  | 3.8 years |  |  | $ | 7,683 |
Exercisable at March 31, 2014 |  |  | 220,000 |  |  | $ | 2.85 |  |  |  | 3.6 years |  |  | $ | 7,382 |
Outstanding at January 1, 2013 |  |  | 280,000 |  |  | $ | 2.91 |  |  |  | 4.9 years |  |  | $ | 5,007 |
Outstanding at March 31, 2013 |  |  | 280,000 |  |  | $ | 2.91 |  |  |  | 4.7 years |  |  | $ | 6,816 |
Exercisable at March 31, 2013 |  |  | 260,000 |  |  | $ | 2.65 |  |  |  | 4.4 years |  |  | $ | 6,397 |
Information about Options Exercised | The following table summarizes information about stock options exercised for the three months ended March 31, 2014 and 2013 (option amounts not in thousands):
|  | Three Months Ended March 31, |
|  | 2014 |  |  | 2013 |
Options exercised |  |  | 50,000 |  |  |  | — |
Total intrinsic value of exercised options |  | $ | 1,970 |  |  | $ | — |
Tax benefits realized |  | $ | 603 |  |  | $ | — |
Information with Respect to Unvested Restricted Stock Awards Stock Option and Incentive Plan | Information with respect to the activity of unvested restricted stock awards during the three months ended March 31, 2014 and 2013 is as follows:
|  | Number of Restricted Stock Awards |  |  | Weighted Average Grant Date Fair Value |
Nonvested at January 1, 2014 |  |  | 735,650 |  |  | $ | 25.48 |
Granted |  |  | 98,720 |  |  | $ | 48.42 |
Vested |  |  | (21,825 | ) |  |  |  |
Forfeited |  |  | (505 | ) |  |  |  |
Nonvested at March 31, 2014 |  |  | 812,040 |  |  | $ | 28.37 |
Nonvested at January 1, 2013 |  |  | 246,320 |  |  | $ | 14.54 |
Forfeited |  |  | (920 | ) |  |  |  |
Nonvested at March 31, 2013 |  |  | 245,400 |  |  | $ | 14.51 |

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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 Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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