Financial Instruments - Restricted Cash (Details) - USD ($) $ in Thousands		Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Variable Interest Entity [Line Items]
Restricted cash, current	[1]	$ 92,540	$ 52,470
Restricted cash, non-current	[1]	126,539	117,293
Restricted cash, total		219,079	169,763
Bloom Energy
Variable Interest Entity [Line Items]
Restricted cash, current		89,462	26,706
Restricted cash, non-current		103,300	286
PPA Entities
Variable Interest Entity [Line Items]
Restricted cash, current		3,078	4,698
Restricted cash, non-current		23,239	15,320
PPA Entities | PPA Company 2
Variable Interest Entity [Line Items]
Restricted cash, current		41,700	20,300
Restricted cash, non-current		57,700	88,400
Restricted cash, total		99,400
PPA Entities | PPA Company 3b
Variable Interest Entity [Line Items]
Restricted cash, current		1,200	700
Restricted cash, non-current		6,700	13,300
Restricted cash, total				$ 20,000
PPA Entities | Power Purchase Agreements Entities
Variable Interest Entity [Line Items]
Restricted cash, current		3,078	25,764
Restricted cash, non-current		$ 23,239	$ 117,007

[1] We have variable interest entities, which represent a portion of the consolidated balances recorded within these financial statement line items in the consolidated balance sheets (see Note 11 - Portfolio Financings).