Summary of Significant Accounting Policies (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Summary of Significant Accounting Policies
Contract asset impairment charge	$ 2,400	$ 0
Provision for loss accrual	$ 137,900
Operating lease maximum allowed extension percentage	75.00%
Fair Value	$ 0	1,332,943
Equity securities	0	134,836
Investment in non-marketable equity securities	$ 5,600	8,800
Minimum number of days after an invoice is issued when accounts receivable is considered due	30 days
Maximum number of days after an invoice is issued when accounts receivable is considered due	90 days
Capitalized contract costs	$ 800	600
Allowance for doubtful accounts receivable	8,798	43
Goodwill impairment charge	249,480
Impairment of long-lived assets	3,100	800
Other current asset impairment charge	$ 9,700	$ 0
Existing contracts	4 years
Fuel
Property, Plant and Equipment
Estimated useful life	10 years
Hydrogen infrastructure
Property, Plant and Equipment
Estimated useful life	20 years
Minimum
Summary of Significant Accounting Policies
Payment terms for fuel cells and its services	30 days
Extension period	5 years
Capitalized commission fees amortization term	5 years
Maximum
Summary of Significant Accounting Policies
Payment terms for fuel cells and its services	90 days
Extension period	10 years
Capitalized commission fees amortization term	10 years
Building and leasehold improvements | Minimum
Property, Plant and Equipment
Estimated useful life	10 years
Building and leasehold improvements | Maximum
Property, Plant and Equipment
Estimated useful life	30 years
Machinery and equipment | Minimum
Property, Plant and Equipment
Estimated useful life	2 years
Machinery and equipment | Maximum
Property, Plant and Equipment
Estimated useful life	30 years
Software | Minimum
Property, Plant and Equipment
Estimated useful life	1 year
Software | Maximum
Property, Plant and Equipment
Estimated useful life	5 years
Hydrogen production plants
Property, Plant and Equipment
Estimated useful life	30 years