Quarterly report pursuant to Section 13 or 15(d)

Net Income (Loss) Per Share (Details)

v3.5.0.2
Net Income (Loss) Per Share (Details) - shares
 3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Mar. 31, 2015
Sep. 30, 2016
Sep. 30, 2015
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]          
Dilutive effect of outstanding stock options and shares associated with long-term incentive compensation plans 0     0  
Stock Compensation Plan [Member]          
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]          
Dilutive effect of outstanding stock options and shares associated with long-term incentive compensation plans     0   0
Shares not included in the computation of diluted earnings per share 964,563 625,812   846,584 625,812
Deferred Stock [Member]          
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]          
Shares not included in the computation of diluted earnings per share 159,689 192,061   159,689 192,061