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, 2025	Mar. 31, 2025	Jun. 30, 2024	Mar. 31, 2024	Jun. 30, 2025	Jun. 30, 2024
Computation of Basic and Diluted Net Loss Per Share [Line items]
Net loss	$ (73,529)	$ (71,986)	$ (58,950)	$ (58,348)	$ (145,515)	$ (117,298)
Weighted average common shares outstanding, basic	114,466,080		99,240,030		114,463,810	97,022,345
Weighted average common shares outstanding, diluted	114,466,080		99,240,030		114,463,810	97,022,345
Net loss per common share, basic	$ (0.53)		$ (0.43)		$ (1.05)	$ (0.91)
Net loss per common share, diluted	$ (0.53)		$ (0.43)		$ (1.05)	$ (0.91)
Series A Preferred Stock [Member]
Computation of Basic and Diluted Net Loss Per Share [Line items]
Net loss	$ (8,999)				$ (17,834)
Weighted average common shares outstanding, basic	67,686				67,788
Weighted average common shares outstanding, diluted	67,686				67,788
Net loss per common share, basic	$ (132.95)				$ (263.08)
Net loss per common share, diluted	$ (132.95)				$ (263.08)
Series A Preferred Stock [Member] | Revision of Prior Period, Reclassification, Adjustment [Member]
Computation of Basic and Diluted Net Loss Per Share [Line items]
Net loss			$ (8,041)			$ (17,025)
Weighted average common shares outstanding, basic			74,465			74,465
Weighted average common shares outstanding, diluted			74,465			74,465
Net loss per common share, basic			$ (107.98)			$ (228.63)
Net loss per common share, diluted			$ (107.98)			$ (228.63)
Series B Preferred Stock [Member]
Computation of Basic and Diluted Net Loss Per Share [Line items]
Net loss	$ (3,653)				$ (7,227)
Weighted average common shares outstanding, basic	6,868				6,868
Weighted average common shares outstanding, diluted	6,868				6,868
Net loss per common share, basic	$ (531.89)				$ (1,052.27)
Net loss per common share, diluted	$ (531.89)				$ (1,052.27)
Series B Preferred Stock [Member] | Revision of Prior Period, Reclassification, Adjustment [Member]
Computation of Basic and Diluted Net Loss Per Share [Line items]
Net loss			$ (8,043)			$ (11,546)
Weighted average common shares outstanding, basic			18,621			12,626
Weighted average common shares outstanding, diluted			18,621			12,626
Net loss per common share, basic			$ (431.93)			$ (914.46)
Net loss per common share, diluted			$ (431.93)			$ (914.46)
Common Stock [Member]
Computation of Basic and Diluted Net Loss Per Share [Line items]
Net loss	$ (60,877)				$ (120,454)
Weighted average common shares outstanding, basic	114,466,080				114,463,810
Weighted average common shares outstanding, diluted	114,466,080				114,463,810
Net loss per common share, basic	$ (0.53)				$ (1.05)
Net loss per common share, diluted	$ (0.53)				$ (1.05)
Common Stock [Member] | Revision of Prior Period, Reclassification, Adjustment [Member]
Computation of Basic and Diluted Net Loss Per Share [Line items]
Net loss			$ (42,866)			$ (88,727)
Weighted average common shares outstanding, basic			99,240,030			97,022,345
Weighted average common shares outstanding, diluted			99,240,030			97,022,345
Net loss per common share, basic			$ (0.43)			$ (0.91)
Net loss per common share, diluted			$ (0.43)			$ (0.91)