Stock-Based Compensation Plans |
6 Months Ended |
|---|---|
Jun. 30, 2016 | |
| Disclosure of Compensation Related Costs, Share-based Payments [Abstract] | |
| Stock-Based Compensation Plans | Stock-Based Compensation Plans The Company recorded $3,793,083 and $9,109,921 in total stock-based compensation expense with corresponding income tax benefits of $1,436,820 and $3,450,838 for the three and six months ended June 30, 2016, respectively. For the three and six months ended June 30, 2015, the Company recorded $2,613,768 and $4,504,835 in total stock-based compensation expense with corresponding income tax benefits of $979,640 and $1,673,662, respectively. During the six months ended June 30, 2016 and 2015, the Company did not grant any stock options. The Company granted 236,375 and 674,947 shares of restricted stock to various employees during the six months ended June 30, 2016 and 2015, respectively. In 2014, the Company initiated a performance and market-based stock incentive plan for certain executives that provides vesting based on specific financial and market-based performance measurements. The Company granted 91,612 and 69,213 shares of performance and market-based stock during the six months ended June 30, 2016 and 2015, respectively. |