Transactions with Total and Total S.A. - Supply Agreement (Details) $ in Thousands			1 Months Ended			6 Months Ended
	Mar. 04, 2019 MW	Jan. 07, 2019 USD ($) MW	Dec. 29, 2019 USD ($) agreement MW	Mar. 31, 2018 USD ($) MW	Nov. 30, 2016 MW	Jun. 28, 2020 USD ($)		Mar. 31, 2017 USD ($)
Related Party Transaction [Line Items]
Supply agreement, term						10 years
Contract liabilities, current portion			$ 138,441			$ 88,265	[1]
Contract liabilities, net of current portion			$ 67,538			61,782	[1]
Number of agreements | agreement			4
Total
Related Party Transaction [Line Items]
Supply agreement, power (in MW) | MW	10		93
Contract liabilities								$ 88,500
Contract liabilities, current portion						13,200
Contract liabilities, net of current portion						$ 31,900
Customer advances paid upon execution, percentage	10.00%		10.00%
Total | CHILE
Related Party Transaction [Line Items]
Supply agreement, power (in MW) | MW				3.42
Contract liabilities, current portion				$ 1,300
Customer advances paid upon execution, percentage				10.00%
Total | Dubai
Related Party Transaction [Line Items]
Supply agreement, power (in MW) | MW		3.7
Contract liabilities, current portion		$ 1,400
Customer advances paid upon execution, percentage		10.00%
Majority Shareholder | Total
Related Party Transaction [Line Items]
Supply agreement, term					4 years
Supply agreement, power (in MW) | MW					200
Supply agreement, power provided in agreement (in MW) | MW					150
Supply agreement, additional power purchase option (in MW) | MW					50

[1] We have related-party balances for transactions made with Total SE and its affiliates as well as unconsolidated entities in which we have a direct equity investment. These related-party balances are recorded within the "accounts receivable, net," "prepaid expenses and other current assets," "contract assets," "accounts payable," "accrued liabilities," "contract liabilities, current portion," "convertible debt," and "contract liabilities, net of current portion," financial statement line items on our condensed consolidated balance sheets (see Note 2, Note 9, Note 10, and Note 11).