Transactions with Total and Total S.A. - Revenue from Related Parties (Details) - Total - Related-Party Transactions with Total and its Affiliates - USD ($) $ in Thousands	3 Months Ended
Apr. 04, 2021	Mar. 29, 2020
Revenue
Related Party Transaction [Line Items]
Solar power systems, components, and other	$ 15,105	$ 29,246
Cost of revenue
Related Party Transaction [Line Items]
Purchases of photovoltaic modules (recorded in cost of revenue)	12,361	27,849
Other income
Related Party Transaction [Line Items]
Gain on extinguishment of debt	0	1,850
Credit Support Agreement \| Interest expense
Related Party Transaction [Line Items]
Interest expense	0	13
0.875% debentures due 2021 \| Interest expense
Related Party Transaction [Line Items]
Interest expense	0	404
4.00% debentures due 2023 \| Interest expense
Related Party Transaction [Line Items]
Interest expense	$ 1,000	$ 1,000

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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