|
Net Income (Loss) Per Common Share Data - Antidilutive Securities Excluded (Details) (Stock Options and RSUs [Member])
|
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
|
Sep. 30, 2014
|
Sep. 30, 2013
|
Sep. 30, 2014
|
Sep. 30, 2013
|
|
|
Stock Options and RSUs [Member]
|
||||
| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | ||||
| Antidilutive equity awards | 8,436,928 | 5,529,388 | 8,436,928 | 5,529,388 |