Commitments and Contingencies - Additional Information (Details) - USD ($) $ in Millions	1 Months Ended		12 Months Ended
	Oct. 31, 2015	Jan. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Other Commitments [Line Items]
Letters of credit outstanding, amount			$ 6.2	$ 3.5
Capital Lease Obligations			$ 23.0	24.0
Photovoltaic Modules
Other Commitments [Line Items]
Purchase commitment with suppliers	$ 146.0	$ 70.0
Long-term purchase commitment, period			12 months
Long term purchase commitment ending period	2016-12
Long term purchase commitment period option to extend	Mar. 31, 2017
Maximum | Capital Lease Obligations
Other Commitments [Line Items]
Lease obligation interest rates			10.00%
Non Cancellable Operating Leases Arrangements
Other Commitments [Line Items]
Operating lease expenses			$ 12.4	7.0	$ 4.0
Deferred rent liabilities			$ 2.9	$ 1.9
Letter of Credit
Other Commitments [Line Items]
Letter of credit, fee percentage			2.75%