Quarterly report pursuant to Section 13 or 15(d)

Earnings Per Share - Schedule of Calculation of Basic and Diluted Earnings (loss) Per Common Share (Details)

v3.2.0.727
Earnings Per Share - Schedule of Calculation of Basic and Diluted Earnings (loss) Per Common Share (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Earnings Per Share, Basic and Diluted [Abstract]        
Net income (loss) $ (260,449) $ 9,837 $ (515,544) $ 21,026
Less portion allocated to nonvested shares   100   219
Net income (loss) allocated to common shares $ (260,449) $ 9,737 $ (515,544) $ 20,807
Weighted average common shares outstanding 75,910 75,605 75,884 75,581
Basic and diluted earnings (loss) per common share $ (3.43) $ 0.13 $ (6.79) $ 0.28
Shares excluded due to being anti-dilutive (weighted-average) 355   277