Commitments and Contingencies - Additional Information (Details) $ in Millions	9 Months Ended
	Sep. 30, 2016 USD ($)
Commitments and Contingencies [Line Items]
Purchase commitment, due in next twelve months	$ 32.6
Long-term purchase commitments, due after twelve months	$ 30.3
Minimum
Commitments and Contingencies [Line Items]
Length of purchase commitments, in days	60 days
Maximum
Commitments and Contingencies [Line Items]
Length of purchase commitments, in days	120 days
Buildings And Equipment
Commitments and Contingencies [Line Items]
Lease future expiration date, year	2026
Total remaining operating lease obligations	$ 6.7