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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 |

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