| Dilutive Effect on Earnings Per Share | 
The following table illustrates the dilutive effect of such items on earnings per share for the years ended December 31, 2016, 2015 and 2014:     
|   |   | For the Year Ended December 31, 2016 |   |  
|   |   |   |   |   |   | Income (Loss) |   |   | Income (Loss) |   |   |   |   |   |   |   |   |   |  
|   |   |   |   |   |   | From Continuing |   |   | From Discontinued |   |   | Net |   |  
|   |   |   |   |   |   | Operations |   |   | Operations |   |   | Income (Loss) |   |  
|   |   | Weighted |   |   |   |   |   |   | Per |   |   |   |   |   |   | Per |   |   |   |   |   |   | Per |   |  
|   |   | Average |   |   |   |   |   |   | Share |   |   |   |   |   |   | Share |   |   |   |   |   |   | Share |   |  
|   |   | Shares |   |   | Amount |   |   | Amount |   |   | Amount |   |   | Amount |   |   | Amount |   |   | Amount |   |  
|   |   | (In thousands, except per share amounts) |   |  
|   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |  
| Earnings (loss) and shares |   |   | 45,637 |   |   | $ | 94,516 |   |   |   |   |   |   | $ | (1,323 | ) |   |   |   |   |   | $ | 93,193 |   |   |   |   |   |  
| Effect of participating securities: |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |  
| Non-vested restricted stock |   |   |   |   |   |   | (52 | ) |   |   |   |   |   |   | - |   |   |   |   |   |   |   | (52 | ) |   |   |   |   |  
| Basic earnings (loss) and shares |   |   | 45,637 |   |   | $ | 94,464 |   |   | $ | 2.07 |   |   | $ | (1,323 | ) |   | $ | (0.03 | ) |   | $ | 93,141 |   |   | $ | 2.04 |   |  
| Effect of dilutive securities: |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |  
| Stock compensation plans |   |   | 311 |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |  
| Diluted earnings (loss) and shares |   |   | 45,948 |   |   | $ | 94,464 |   |   | $ | 2.06 |   |   | $ | (1,323 | ) |   | $ | (0.03 | ) |   | $ | 93,141 |   |   | $ | 2.03 |   |      
|   |   | For the Year Ended December 31, 2015 |   |  
|   |   |   |   |   |   | Income (Loss) |   |   | Income (Loss) |   |   |   |   |   |   |   |   |   |  
|   |   |   |   |   |   | From Continuing |   |   | From Discontinued |   |   | Net |   |  
|   |   |   |   |   |   | Operations |   |   | Operations |   |   | Income (Loss) |   |  
|   |   | Weighted |   |   |   |   |   |   | Per |   |   |   |   |   |   | Per |   |   |   |   |   |   | Per |   |  
|   |   | Average |   |   |   |   |   |   | Share |   |   |   |   |   |   | Share |   |   |   |   |   |   | Share |   |  
|   |   | Shares |   |   | Amount |   |   | Amount |   |   | Amount |   |   | Amount |   |   | Amount |   |   | Amount |   |  
|   |   | (In thousands, except per share amounts) |   |  
|   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |  
| Earnings (loss) and shares |   |   | 50,489 |   |   | $ | 88,091 |   |   |   |   |   |   | $ | (1,780 | ) |   |   |   |   |   | $ | 86,311 |   |   |   |   |   |  
| Effect of participating securities: |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |  
| Non-vested restricted stock |   |   |   |   |   |   | (36 | ) |   |   |   |   |   |   | - |   |   |   |   |   |   |   | (36 | ) |   |   |   |   |  
| Basic earnings (loss) and shares |   |   | 50,489 |   |   | $ | 88,055 |   |   | $ | 1.74 |   |   | $ | (1,780 | ) |   | $ | (0.03 | ) |   | $ | 86,275 |   |   | $ | 1.71 |   |  
| Effect of dilutive securities: |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |  
| Stock compensation plans |   |   | 394 |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |  
| Diluted earnings (loss) and shares |   |   | 50,883 |   |   | $ | 88,055 |   |   | $ | 1.73 |   |   | $ | (1,780 | ) |   | $ | (0.03 | ) |   | $ | 86,275 |   |   | $ | 1.70 |   |    
|   |   | For the Year Ended December 31, 2014 |   |  
|   |   |   |   |   |   | Income (Loss) |   |   | Income (Loss) |   |   |   |   |   |   |   |   |   |  
|   |   |   |   |   |   | From Continuing |   |   | From Discontinued |   |   |   |     | Net  |   |   |   |   |  
|   |   |   |   |   |   | Operations |   |   | Operations |   |   | Income (Loss) |   |  
|   |   | Weighted |   |   |   |   |   |   | Per |   |   |   |   |   |   | Per |   |   |   |   |   |   | Per |   |  
|   |   | Average |   |   |   |   |   |   | Share |   |   |   |   |   |   | Share |   |   |   |   |   |   | Share |   |  
|   |   | Shares |   |   | Amount |   |   | Amount |   |   | Amount |   |   | Amount |   |   | Amount |   |   | Amount |   |  
|   |   | (In thousands, except per share amounts) |   |  
|   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |  
| Earnings (loss) and shares |   |   | 52,065 |   |   | $ | 98,559 |   |   |   |   |   |   | $ | (1,342 | ) |   |   |   |   |   | $ | 97,217 |   |   |   |   |   |  
| Effect of participating securities: |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |  
| Non-vested restricted stock and restricted stock units |   |   |   |   |   |   | (311 | ) |   |   |   |   |   |   | - |   |   |   |   |   |   |   | (311 | ) |   |   |   |   |  
| Basic earnings (loss) and shares |   |   | 52,065 |   |   | $ | 98,248 |   |   | $ | 1.89 |   |   | $ | (1,342 | ) |   | $ | (0.03 | ) |   | $ | 96,906 |   |   | $ | 1.86 |   |  
| Effect of dilutive securities: |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |  
| Stock compensation plans |   |   | 498 |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |  
| Diluted earnings (loss) and shares |   |   | 52,563 |   |   | $ | 98,248 |   |   | $ | 1.87 |   |   | $ | (1,342 | ) |   | $ | (0.03 | ) |   | $ | 96,906 |   |   | $ | 1.84 |   |    |