Shareholders' Deficit- Preference Shares (Details) - $ / shares |
Dec. 31, 2025 |
Nov. 30, 2025 |
Dec. 31, 2024 |
Nov. 30, 2024 |
Feb. 29, 2024 |
Dec. 31, 2023 |
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| Shareholders' Deficit | ||||||
| Preferred stock, shares authorized (in shares) | 50,000,000 | 50,000,000 | 50,000,000 | 50,000,000 | ||
| Preferred stock, par value (in dollars per share) | $ 0.0001 | $ 0.0001 | $ 0.0001 | $ 0.0001 | ||
| Preferred stock, shares issued (in shares) | 0 | 0 | 0 | 0 | ||
| Preferred stock, shares outstanding (in shares) | 0 | 0 | 0 | 0 | ||
| CIK_0001843477_Spring Valley Acquisition Corp. II | ||||||
| Shareholders' Deficit | ||||||
| Preferred stock, shares authorized (in shares) | 1,000,000 | 1,000,000 | ||||
| Preferred stock, par value (in dollars per share) | $ 0.0001 | $ 0.0001 | ||||
| Preferred stock, shares issued (in shares) | 0 | 0 | ||||
| Preferred stock, shares outstanding (in shares) | 0 | 0 |
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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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- Definition Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Number of shares issued for nonredeemable preferred shares and preferred shares redeemable solely at option of issuer. Includes, but is not limited to, preferred shares issued, repurchased, and held as treasury shares. Excludes preferred shares classified as debt. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Details
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