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Related-Party Debt - Summary of Related-Party Promissory Notes (Detail) - USD ($)
$ in Thousands
6 Months Ended 12 Months Ended
Dec. 10, 2024
Jun. 30, 2026
Dec. 31, 2025
Related Party Transaction [Line Items]      
Amount   $ 774,350 $ 477,093
Level 3      
Related Party Transaction [Line Items]      
Amount   $ 774,350 $ 477,093
Convertible Note | December 2024 Convertible Promissory Note | Affiliated Entity      
Related Party Transaction [Line Items]      
Interest rate spread 8.00% 8.00% 8.00%
Principal Amount   $ 480,000 $ 505,000
Convertible Note | December 2024 Convertible Promissory Note | Affiliated Entity | Level 3      
Related Party Transaction [Line Items]      
Amount   $ 774,350 $ 477,093