Quarterly report pursuant to Section 13 or 15(d)

Earnings Per Share (Details)

v3.7.0.1
Earnings Per Share (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Earnings Per Share [Abstract]        
Net income (loss) $ (5,034) $ 10,512 $ (4,686) $ 19,050
Weighted average common shares (in shares) 32,529 32,438 32,507 32,521
Dilutive effect of stock based awards (in shares) 0 545 0 597
Diluted Shares (in shares) 32,529 32,983 32,507 33,118
Basic earnings per share (dollars per share) $ (0.15) $ 0.32 $ (0.14) $ 0.59
Diluted earnings per share (dollars per share) $ (0.15) $ 0.32 $ (0.14) $ 0.58
Diluted earnings per share (in shares) 0 186 0 183