Quarterly report pursuant to Section 13 or 15(d)

Earnings (Loss) Per Share (Details)

v3.7.0.1
Earnings (Loss) Per Share (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Earnings Per Share [Abstract]    
Net income (loss) available to common stockholders $ 7,327 $ (35,537)
Weighted average shares outstanding, basic 71,490 70,143
Dilutive common stock equivalents 87 0
Weighted average shares outstanding, diluted 71,577 70,143
Earnings (loss) per share, basic $ 0.10 $ (0.51)
Earnings (loss) per share, diluted $ 0.10 $ (0.51)
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount   595