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Stock-Based Compensation (Tables) | 12 Months Ended
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Dec. 31, 2013
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Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs | The components of stock-based compensation for the years ended December 31, 2013, 2012 and 2011 were as follows:
|  | For the Year Ended December 31,
|  | 2013 |  | 2012 |  | 2011
Stock options |  | (245 | ) |  | (66 | ) |  | 2,077 |
Restricted stock units |  | 2,043 |  |  | 1,314 |  |  | 672 |
Deferred directors fees |  | — |  |  | 58 |  |  | 61 |
Total stock-based compensation expense |  | 1,798 |  |  | 1,306 |  |  | 2,810 |
Tax benefit of stock-based compensation expense |  | (671 | ) |  | (472 | ) |  | (959 | )
After-tax effect of stock based compensation |  | 1,127 |  |  | 834 |  |  | 1,851 |
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Method Used | Based on the results of the model, the weighted-average fair value of the stock options granted during the 12-month periods ended December 31, 2013, 2012 and 2011, respectively, were $1.79, $1.72 and $4.08 per share using the following weighted average assumptions:
|  | 2013 |  | 2012 |  | 2011
Expected dividend yield |  | — | % |  | — | % |  | — | %
Risk-free interest rate |  | 1.01 | % |  | 0.67 | % |  | 1.80 | %
Expected volatility |  | 55.2 | % |  | 58.6 | % |  | 57.2 | %
Expected life of option |  | 4.7 years |  |  | 4.8 years |  |  | 5.0 years |
Schedule of Share-based Compensation, Stock Options, Activity | The following table provides additional information regarding our stock option activity for the 12 months ended December 31, 2013:
|  | Number of Options |  | Weighted- Average Exercise Price |  | Weighted- Average Remaining Contractual Life |  | Aggregate Intrinsic Value
Outstanding on January 1, 2013 |  | 1,914,000 |  |  | $ | 11.38 |  |  |  |  |
Granted |  | 80,000 |  |  | 3.85 |  |  |  |  |
Exercised |  | (195,000 | ) |  | 4.16 |  |  |  |  |
Expired or forfeited |  | (110,500 | ) |  | 10.93 |  |  |  |  |
Outstanding on December 31, 2013 |  | 1,688,500 |  |  | $ | 11.88 |  |  | 3.8 years |  | $ | 1,038 |
Exercisable on December 31, 2013 |  | 1,678,500 |  |  | $ | 11.92 |  |  | 3.8 years |  | $ | 1,027 |
The following table presents a summary of our stock option activity and related information for the years ended December 31:
|  | 2013 |  | 2012 |  | 2011
|  | Number of Options |  | Weighted- Average Exercise Price |  | Number of Options |  | Weighted- Average Exercise Price |  | Number of Options |  | Weighted- Average Exercise Price
Outstanding at beginning of year |  | 1,914,000 |  |  | $ | 11.38 |  |  | 1,902,000 |  |  | $ | 11.51 |  |  | 2,856,125 |  |  | $ | 14.68 |
Granted |  | 80,000 |  |  | 3.85 |  |  | 70,000 |  |  | 3.55 |  |  | 60,000 |  |  | 8.16 |
Exchanged for RSUs |  | — |  |  | — |  |  | — |  |  | — |  |  | (814,500 | ) |  | 22.06 |
Exercised |  | (195,000 | ) |  | 4.16 |  |  | — |  |  | — |  |  | (81,500 | ) |  | 4.61 |
Expired or forfeited |  | (110,500 | ) |  | 10.93 |  |  | (58,000 | ) |  | 6.33 |  |  | (118,125 | ) |  | 18.48 |
Outstanding at end of year |  | 1,688,500 |  |  | $ | 11.88 |  |  | 1,914,000 |  |  | $ | 11.38 |  |  | 1,902,000 |  |  | $ | 11.51 |
Exercisable at end of year |  | 1,678,500 |  |  | $ | 11.92 |  |  | 1,833,500 |  |  | $ | 11.48 |  |  | 1,718,062 |  |  | $ | 11.72 |
Weighted-average fair value of options granted during the year |  |  |  | $ | 1.79 |  |  |  |  | $ | 1.72 |  |  |  |  | $ | 4.08 |
Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range | The following table summarizes information about stock options outstanding at December 31, 2013:
Options Outstanding |  | Options Exercisable
Range of Exercise Prices |  | Number of Options |  | Weighted- Average Remaining Contractual Life |  | Weighted- Average Exercise Price |  | Number of Options |  | Weighted- Average Exercise Price
$ 3.55 - $ 5.51 |  | 328,500 |  |  | 5.3 years |  | $ | 4.44 |  |  | 328,500 |  |  | $ | 4.44 |
$ 5.52 - $11.03 |  | 775,875 |  |  | 4.0 years |  | 8.88 |  |  | 765,875 |  |  | 8.92 |
$11.04 - $22.06 |  | 267,250 |  |  | 2.2 years |  | 14.57 |  |  | 267,250 |  |  | 14.57 |
$22.07 - $27.57 |  | 316,875 |  |  | 3.0 years |  | 24.69 |  |  | 316,875 |  |  | 24.69 |
$ 3.55 - $27.57 |  | 1,688,500 |  |  | 3.8 years |  | $ | 11.88 |  |  | 1,678,500 |  |  | $ | 11.92 |
Schedule of Nonvested Share Activity | Non-vested stock option activity for the 12 months ended December 31, 2013 was as follows:
|  | Non-Vested Stock Options Outstanding |  | Weighted-Average Grant Date Fair Value
Outstanding on January 1, 2013 |  | 80,500 |  |  | $ | 5.35 |
Granted |  | 80,000 |  |  | 1.79 |
Vested |  | (148,000 | ) |  | 3.53 |
Forfeited |  | (2,500 | ) |  | 5.98 |
Outstanding on December 31, 2013 |  | 10,000 |  |  | 3.58 |
Schedule of Nonvested Restricted Stock Units Activity | A summary of restricted stock unit activity for the years ended December 31, 2013, 2012 and 2011 is as follows:
|  | Shares |  | Weighted Average Grant Date Fair Value
Unvested restricted stock units at January 1, 2011 |  | 149,000 |  |  | $ | 8.63 |
Granted |  | 80,000 |  |  | 9.14 |
Converted from stock options |  | 267,372 |  |  | 6.53 |
Forfeited |  | (9,207 | ) |  | 6.76 |
Vested |  | — |  |  | — |
Unvested restricted units at December 31, 2011 |  | 487,165 |  |  | 7.59 |
Granted |  | 349,000 |  |  | 4.82 |
Forfeited |  | (11,891 | ) |  | 7.15 |
Vested |  | (72,250 | ) |  | 8.63 |
Unvested restricted stock units at December 31, 2012 |  | 752,024 |  |  | 6.21 |
Granted |  | 485,000 |  |  | 4.62 |
Forfeited |  | (70,070 | ) |  | 5.58 |
Vested |  | (394,938 | ) |  | 2.94 |
Unvested restricted stock units at December 31, 2013 |  | 772,016 |  |  | 5.35 |

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- Definition Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph 64 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph f -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + 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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