Joint Venture With General Motors - Additional Information (Details) - USD ($) $ in Thousands |
6 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2025 |
Dec. 31, 2024 |
Apr. 01, 2025 |
Dec. 20, 2024 |
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| Schedule of Equity Method Investments [Line Items] | ||||
| Cash | $ 508,852 | $ 593,885 | ||
| Commited contribution | $ 191,600 | |||
| Joint Venture with GM [Member] | ||||
| Schedule of Equity Method Investments [Line Items] | ||||
| Formation description | On October 15, 2024, the Company and GM entered into an investment agreement (“GM Investment Agreement”) to establish a joint venture (the “JV”) for the purpose of funding, developing, constructing and operating Thacker Pass as described in Note 4 to the Fiscal 2024 Annual Financial Statements. As of the closing of the JV on December 20, 2024 | |||
| Closing date | Dec. 20, 2024 | |||
| Ownership percentage | 62.00% | |||
| Cash | $ 387,029 | 452,293 | ||
| Joint Venture with GM [Member] | DOE loan [Member] | ||||
| Schedule of Equity Method Investments [Line Items] | ||||
| Outstanding borrowings | $ 2,260,000 | |||
| Interest on borrowings | $ 0 | $ 0 | ||
| General Motors Holdings LLC [Member] | ||||
| Schedule of Equity Method Investments [Line Items] | ||||
| Ownership percentage | 38.00% | |||
| Commited contribution | $ 100,000 |
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- Definition Joint venture closing date. No definition available.
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- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Excludes cash and cash equivalents within disposal group and discontinued operation. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of contractual obligation, including, but not limited to, long-term debt, lease obligation, purchase obligation, and other commitments. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Aggregate amount of interest expense on all borrowings. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Description of joint venture formation. Includes, but is not limited to, purpose for formation, asset and liability recognized at formation date, and factor making up recognized goodwill. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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