401(k) Plan 401(k) Plan (Details) - 401(k) Plan [Member] $ in Millions |
12 Months Ended |
|---|---|
|
Dec. 31, 2015
USD ($)
| |
| Defined Contribution Plan Disclosure [Line Items] | |
| Maximum annual contributions per employee, percent (up to) | 100.00% |
| Defined contribution plan, cost recognized | $ 0.9 |