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Related-Party Debt - Change in Carrying Value (Detail) - Convertible Note - December 2024 Convertible Promissory Note - Affiliated Entity - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2026	Mar. 31, 2026
Long-Term Debt, Fair Value Disclosure [Roll Forward]
Fair value, beginning balance	$ 678,386	$ 477,093
Change in fair value of related-party convertible note	95,964	236,625
Conversion to common stock		(35,332)
Fair value, ending balance	$ 774,350	$ 678,386

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- Definition

Decrease in Fair Value, Conversion of Debt

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- Definition

The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

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