Commitments and Contingencies - Narrative (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
|
| Commitments and Contingencies Disclosure [Abstract] | |||
| Rent expense | $ 6.3 | $ 2.8 | $ 2.7 |
| Office Facility Leases | |||
| Operating Leased Assets [Line Items] | |||
| Standby letter of credit | $ 0.2 | ||