Balance Sheet Components - Accrued Other Current Liabilities (Details) - USD ($) $ in Thousands		Jun. 30, 2023	Dec. 31, 2022
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Compensation and benefits		$ 43,833	$ 48,156
General invoice and purchase order accruals		26,854	44,010
Delaware grant		9,495	9,495
Sales-related liabilities		6,522	7,147
Accrued installation		5,618	7,905
Sales tax liabilities		5,192	6,172
Interest payable		4,581	3,128
Accrued legal expenses		3,724	4,403
Accrued consulting expenses		2,431	1,390
Provision for income tax		1,995	1,140
Finance lease liabilities		1,136	1,024
VAT interim liability		968	418
PPA IV upgrade financing obligations		247	6,076
Current portion of derivative liabilities		0	2,596
Other		1,252	1,123
Total current liabilities	[1]	$ 113,848	$ 144,183

[1] 1We have a variable interest entity related to PPA V (see Note 10 - Portfolio Financings) and a joint venture in the Republic of Korea (see Note 15 - SK ecoplant Strategic Investment), which represent a portion of the consolidated balances recorded within these financial statement line items.