Net Income (Loss) per Common Share (Details) - shares shares in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Stock Option [Member]
Weighted Average Number of Shares Outstanding Reconciliation [Line Items]
Weighted average number of awards outstanding for computation of diluted earnings (loss) per share (in shares)	0.0	0.0	0.0	0.0
Weighted average number of awards outstanding excluded from the computation of diluted earnings (loss) per share (in shares)	1.0	0.8	1.0	0.3
Restricted Stock [Member]
Weighted Average Number of Shares Outstanding Reconciliation [Line Items]
Weighted average number of awards outstanding for computation of diluted earnings (loss) per share (in shares)	0.0	0.0	0.0	0.0
Weighted average number of awards outstanding excluded from the computation of diluted earnings (loss) per share (in shares)	0.0	0.0	0.0	0.0