Share-based Compensation - Additional Information (Details) shares in Millions |
9 Months Ended |
|---|---|
|
Sep. 30, 2016
shares
| |
| Share-based Compensation [Abstract] | |
| Long-term equity incentive plan, termination date | May 1, 2023 |
| Number of shares authorized under plan | 10.6 |
| Number of shares available for future issuance under share-based plan | 1.2 |