Commitments and Contingencies (Details) - Build-to-Suit Lease - USD ($) $ in Millions	1 Months Ended
	Aug. 31, 2015	Mar. 31, 2017	Dec. 31, 2016	Mar. 31, 2016
Operating Leased Assets [Line Items]
Term of leasing contract	15 years
Other long term liabilities
Operating Leased Assets [Line Items]
Financing obligation		$ 24.1	$ 14.0	$ 10.0
Other current liabilities
Operating Leased Assets [Line Items]
Financing obligation		$ 0.8	$ 0.9	$ 0.9