Condensed Consolidated Statements of Changes in Stockholders Equity - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Income (Loss)	Accumulated Deficit	ATM	ATM Common Stock	ATM Additional Paid-in Capital	Public offering	Public offering Common Stock	Public offering Additional Paid-in Capital
Balance at Dec. 31, 2024	$ 181,165	$ 6	$ 696,872	$ 57	$ (515,770)
Balance (in shares) at Dec. 31, 2024		64,460,829
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation expense	5,703		5,703
Issuance of common stock									$ 161,745	$ 3	$ 161,742
Issuance of common stock (in shares)										22,258,064
Exercise of stock options	213		213
Exercise of stock options (in shares)		236,962
Unrealized gain (loss) on marketable securities	(60)			(60)
Net loss	(41,640)				(41,640)
Balance at Mar. 31, 2025	307,126	$ 9	864,530	(3)	(557,410)
Balance (in shares) at Mar. 31, 2025		86,955,855
Balance at Dec. 31, 2024	181,165	$ 6	696,872	57	(515,770)
Balance (in shares) at Dec. 31, 2024		64,460,829
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(142,494)
Balance at Sep. 30, 2025	263,919	$ 9	922,174		(658,264)
Balance (in shares) at Sep. 30, 2025		91,706,948
Balance at Dec. 31, 2024	181,165	$ 6	696,872	57	(515,770)
Balance (in shares) at Dec. 31, 2024		64,460,829
Balance at Dec. 31, 2025	634,343	$ 11	1,362,496		(728,164)
Balance (in shares) at Dec. 31, 2025		113,133,199
Balance at Mar. 31, 2025	307,126	$ 9	864,530	(3)	(557,410)
Balance (in shares) at Mar. 31, 2025		86,955,855
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation expense	5,347		5,347
Exercise of stock options	215		215
Exercise of stock options (in shares)		56,980
Unrealized gain (loss) on marketable securities	(21)			(21)
Net loss	(43,397)				(43,397)
Balance at Jun. 30, 2025	269,270	$ 9	870,092	(24)	(600,807)
Balance (in shares) at Jun. 30, 2025		87,012,835
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation expense	6,747		6,747
Issuance of common stock						$ 44,924		$ 44,924
Issuance of common stock (in shares)							4,625,156
Exercise of stock options	411		411
Exercise of stock options (in shares)		68,957
Unrealized gain (loss) on marketable securities	24			24
Net loss	(57,457)				(57,457)
Balance at Sep. 30, 2025	263,919	$ 9	922,174		(658,264)
Balance (in shares) at Sep. 30, 2025		91,706,948
Balance at Dec. 31, 2025	634,343	$ 11	1,362,496		(728,164)
Balance (in shares) at Dec. 31, 2025		113,133,199
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation expense	7,953		7,953
Exercise of stock options	229		229
Exercise of stock options (in shares)		38,197
Net loss	(53,839)				(53,839)
Balance at Mar. 31, 2026	588,686	$ 11	1,370,678		(782,003)
Balance (in shares) at Mar. 31, 2026		113,171,396
Balance at Dec. 31, 2025	$ 634,343	$ 11	1,362,496		(728,164)
Balance (in shares) at Dec. 31, 2025		113,133,199
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock (in shares)						0
Exercise of stock options (in shares)	514,257
Net loss	$ (212,749)
Balance at Sep. 30, 2026	454,303	$ 11	1,395,672	(467)	(940,913)
Balance (in shares) at Sep. 30, 2026		113,647,456
Balance at Mar. 31, 2026	588,686	$ 11	1,370,678		(782,003)
Balance (in shares) at Mar. 31, 2026		113,171,396
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation expense	8,799		8,799
Exercise of stock options	1,058		1,058
Exercise of stock options (in shares)		227,806
Unrealized gain (loss) on marketable securities	(333)			(333)
Net loss	(73,127)				(73,127)
Balance at Jun. 30, 2026	525,083	$ 11	1,380,535	(333)	(855,130)
Balance (in shares) at Jun. 30, 2026		113,399,202
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation expense	12,761		12,761
Exercise of stock options	2,376		2,376
Exercise of stock options (in shares)		248,254
Unrealized gain (loss) on marketable securities	(134)			(134)
Net loss	(85,783)				(85,783)
Balance at Sep. 30, 2026	$ 454,303	$ 11	$ 1,395,672	$ (467)	$ (940,913)
Balance (in shares) at Sep. 30, 2026		113,647,456