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Stock-Based Compensation (Tables) | 6 Months Ended
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Jun. 30, 2013
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] |
Summary of the Activity in the Company's Stock Option Plan | A summary of the activity in the Company’s 2007 Plan for the three and six months ended June 30, 2013 and 2012 is as follows (option amounts not in thousands):
|  |  |  |  |  |  |  | Weighted |  |  |
|  |  |  |  | Weighted |  |  | Average |  |  |
|  |  |  |  | Average |  |  | Remaining |  | Aggregate |
|  | Number of |  |  | Exercise |  |  | Contractual |  | Intrinsic |
|  | Options |  |  | Price |  |  | Term |  | Value |
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 |
Outstanding at June 30, 2013 |  |  | 280,000 |  |  |  | 2.91 |  |  | 4.4 years |  | $ | 7,788 |
Exercisable at June 30, 2013 |  |  | 270,000 |  |  | $ | 2.78 |  |  | 4.3 years |  | $ | 7,543 |
Outstanding at January 1, 2012 |  |  | 620,000 |  |  | $ | 2.97 |  |  | 5.7 years |  | $ | 3,122 |
Exercised |  |  | (217,003 | ) |  |  | 3.33 |  |  |  |  |  |  |
Outstanding at March 31, 2012 |  |  | 402,997 |  |  |  | 2.78 |  |  | 5.5 years |  | $ | 3,997 |
Outstanding at June 30, 2012 |  |  | 402,997 |  |  |  | 2.78 |  |  | 5.3 years |  | $ | 5,971 |
Exercisable at June 30, 2012 |  |  | 382,997 |  |  | $ | 2.60 |  |  | 5.1 years |  | $ | 5,745
Information about Options Exercised | The following table summarizes information about options exercised for the three and six months ended June 30, 2013 and 2012 (option amounts not in thousands):
|  | Three Months Ended |  |  | Six Months Ended |
|  | June 30, |  |  | June 30, |
|  | 2013 |  |  | 2012 |  |  | 2013 |  |  | 2012 |
Options exercised |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 217,003 |
Total intrinsic value of exercised options |  |  | — |  |  |  | — |  |  |  | — |  |  | $ | 1,470 |
Fair value of vested stock options |  | $ | 17 |  |  | $ | 22 |  |  | $ | 17 |  |  | $ | 22 |
Tax benefits realized |  |  | — |  |  |  | — |  |  |  | — |  |  | $ | 437
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 and six months ended June 30, 2013 and 2012 is as follows (share amounts not in thousands):
|  | Number of |  |  | Weighted |
|  | Restricted |  |  | Average |
|  | Stock |  |  | Grant Date |
|  | Awards |  |  | Fair Value |
Nonvested at January 1, 2013 |  |  | 246,320 |  |  | $ | 14.54 |
Forfeited |  |  | (920 | ) |  |  |  |
Nonvested at March 31, 2013 |  |  | 245,400 |  |  | $ | 14.51 |
Granted |  |  | 544,000 |  |  | $ | 26.58 |
Vested |  |  | (29,000 | ) |  |  |  |
Forfeited |  |  | (28,160 | ) |  |  |  |
Nonvested at June 30, 2013 |  |  | 732,240 |  |  | $ | 23.53 |
Nonvested at January 1, 2012 |  |  | — |  |  |  | — |
Nonvested at March 31, 2012 |  |  | — |  |  |  | — |
Granted |  |  | 200,000 |  |  | $ | 12.91 |
Nonvested at June 30, 2012 |  |  | 200,000 |  |  | $ | 12.91
Information about Deferred Tax Benefits Recognized Related to Restricted Stock Awards and the Fair Value of Vested Restricted Stock | The following table summarizes information about deferred tax benefits recognized related to restricted stock awards and the fair value of vested restricted stock for the three and six months ended June 30, 2013 and 2012:
|  | Three Months Ended |  |  | Six Months Ended |
|  | June 30, |  |  | June 30, |
|  | 2013 |  |  | 2012 |  |  | 2013 |  |  | 2012 |
Deferred tax benefits recognized |  | $ | 417 |  |  | $ | 59 |  |  | $ | 565 |  |  | $ | 59 |
Fair value of vested restricted stock |  | $ | 379 |  |  | $ | — |  |  | $ | 379 |  |  | $ | — |
Assumptions Used to Determine the Fair Value of the Awards with Market-Based | The following presents assumptions used in a Monte Carlo simulation model to determine the fair value of the awards with market-based conditions:
|  | Three Months Ended |  | Six Months Ended
|  | June 30, |  | June 30,
|  | 2013 |  | 2012 |  | 2013 |  | 2012
Expected dividends per share |  | $0.90 |  | $0.80 |  | $0.90 |  | $0.80
Expected volatility |  | 41.5 – 51.6% |  | 36.7 – 50.0% |  | 41.5 – 51.6% |  | 36.7 – 50.0%
Risk-free interest rate |  | 0.0 – 2.0% |  | 0.1 – 1.2% |  | 0.0 – 2.0% |  | 0.1 – 1.2%
Estimated cost of capital |  | 9.3% |  | 11.9 – 12.1% |  | 9.3% |  | 11.9 – 12.1%
Expected life (in years) |  | 6.00 |  | 6.00 |  | 6.00 |  | 6.00

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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of restricted stock, including, but not limited to: (a) expected life (b) expected volatility of the entity's shares, (c) expected dividends, and (d) risk-free rate(s). + References No definition available. + Details
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- Definition Summary information of stock based compensation for restricted stock awards. + References No definition available. + Details
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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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