v3.26.1
Net Loss Per Share - Schedule of Computation of Basic and Diluted Net Loss Per Share (Detail) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Mar. 31, 2026
Jun. 30, 2025
Mar. 31, 2025
Jun. 30, 2026
Jun. 30, 2025
Computation of Basic and Diluted Net Loss Per Share [Line items]            
Net loss $ (96,405) $ (97,352) $ (73,529) $ (71,986) $ (193,757) $ (145,515)
Weighted average shares outstanding, basic 171,005,468   114,466,080   166,624,462 114,463,810
Weighted average shares outstanding, diluted 171,005,468   114,466,080   166,624,462 114,463,810
Net loss per share, basic $ (0.52)   $ (0.53)   $ (1.05) $ (1.05)
Net loss per share, diluted $ (0.52)   $ (0.53)   $ (1.05) $ (1.05)
Series A Preferred Stock [Member]            
Computation of Basic and Diluted Net Loss Per Share [Line items]            
Net loss $ (5,124)   $ (8,999)   $ (14,005) $ (17,834)
Weighted average shares outstanding, basic 39,414   67,686   53,337 67,788
Weighted average shares outstanding, diluted 39,414   67,686   53,337 67,788
Net loss per share, basic $ (130)   $ (132.95)   $ (262.58) $ (263.08)
Net loss per share, diluted $ (130)   $ (132.95)   $ (262.58) $ (263.08)
Series B Preferred Stock [Member]            
Computation of Basic and Diluted Net Loss Per Share [Line items]            
Net loss $ (2,349)   $ (3,653)   $ (4,743) $ (7,227)
Weighted average shares outstanding, basic 4,516   6,868   4,516 6,868
Weighted average shares outstanding, diluted 4,516   6,868   4,516 6,868
Net loss per share, basic $ (520.15)   $ (531.89)   $ (1,050.27) $ (1,052.27)
Net loss per share, diluted $ (520.15)   $ (531.89)   $ (1,050.27) $ (1,052.27)
Common Stock [Member]            
Computation of Basic and Diluted Net Loss Per Share [Line items]            
Net loss $ (88,932)   $ (60,877)   $ (175,009) $ (120,454)
Weighted average shares outstanding, basic 171,005,468   114,466,080   166,624,462 114,463,810
Weighted average shares outstanding, diluted 171,005,468   114,466,080   166,624,462 114,463,810
Net loss per share, basic $ (0.52)   $ (0.53)   $ (1.05) $ (1.05)
Net loss per share, diluted $ (0.52)   $ (0.53)   $ (1.05) $ (1.05)