Quarterly report pursuant to Section 13 or 15(d)

Earnings Per Share (Details)

v3.5.0.2
Earnings Per Share (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]        
Net income (loss) $ (16,981) $ 221,501 $ (105,911) $ 316,294
Weighted average number of shares of common shares outstanding 344,336,995 364,919,352 345,267,094 364,775,066
Weighted average restricted stock shares 3,260,960 2,154,779 3,249,891 2,017,393
Basic and diluted weighted average shares outstanding 347,597,955 367,074,131 348,516,985 366,792,459
Basic and diluted (loss) earnings per weighted average common share $ (0.05) $ 0.60 $ (0.30) $ 0.86