Subsequent Events - Additional Information (Details) - USD ($) |
12 Months Ended | ||
---|---|---|---|
Mar. 01, 2016 |
Dec. 31, 2015 |
Jan. 20, 2016 |
|
Subsequent Event [Line Items] | |||
Lease expiration date | Jan. 31, 2019 | ||
Subsequent Event | Lease Termination | |||
Subsequent Event [Line Items] | |||
Lease expiration date | Nov. 30, 2016 | ||
Collaborative Arrangement | Bristol Myers Squibb Company | Subsequent Event | Achieving Third Targets Selected By Counterparty | |||
Subsequent Event [Line Items] | |||
Contingent milestone payments receivable | $ 10,000,000 |