Condensed Statements of Stockholders’ Equity - USD ($) $ in Thousands	Total		Common Stock	Additional Paid-In Capital	Accumulated Other Comprehensive Gain/(Loss)	Accumulated Deficit
Beginning balance (in shares) at Dec. 31, 2023			59,921,002
Beginning balance at Dec. 31, 2023	$ 473,576		$ 6	$ 972,973	$ 345	$ (499,748)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock under benefit plans (in shares)			397,540
Issuance of common stock under benefit plans	1,879			1,879
Stock-based compensation expense	9,666			9,666
Net unrealized loss on short-term investments	(834)				(834)
Net loss	(46,955)					(46,955)
Ending balance (in shares) at Mar. 31, 2024			60,318,542
Ending balance at Mar. 31, 2024	437,332		$ 6	984,518	(489)	(546,703)
Beginning balance (in shares) at Dec. 31, 2023			59,921,002
Beginning balance at Dec. 31, 2023	473,576		$ 6	972,973	345	(499,748)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net unrealized loss on short-term investments	503
Net loss	(160,572)
Ending balance (in shares) at Sep. 30, 2024			60,849,503
Ending balance at Sep. 30, 2024	345,822		$ 6	1,005,288	848	(660,320)
Beginning balance (in shares) at Mar. 31, 2024			60,318,542
Beginning balance at Mar. 31, 2024	437,332		$ 6	984,518	(489)	(546,703)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock under benefit plans (in shares)			106,602
Issuance of common stock under benefit plans	684			684
Stock-based compensation expense	10,644			10,644
Net unrealized loss on short-term investments	(128)				(128)
Net loss	(55,854)					(55,854)
Ending balance (in shares) at Jun. 30, 2024			60,425,144
Ending balance at Jun. 30, 2024	392,678		$ 6	995,846	(617)	(602,557)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock under benefit plans (in shares)			424,359
Issuance of common stock under benefit plans	543			543
Stock-based compensation expense	8,899			8,899
Net unrealized loss on short-term investments	1,465				1,465
Net loss	(57,763)					(57,763)
Ending balance (in shares) at Sep. 30, 2024			60,849,503
Ending balance at Sep. 30, 2024	$ 345,822		$ 6	1,005,288	848	(660,320)
Beginning balance (in shares) at Dec. 31, 2024	60,860,838		60,860,838
Beginning balance at Dec. 31, 2024	$ 304,081	[1]	$ 6	1,013,806	321	(710,052)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock under benefit plans (in shares)			525,345
Issuance of common stock under benefit plans	498			498
Stock-based compensation expense	8,913			8,913
Net unrealized loss on short-term investments	(162)				(162)
Net loss	(56,166)					(56,166)
Ending balance (in shares) at Mar. 31, 2025			61,386,183
Ending balance at Mar. 31, 2025	$ 257,164		$ 6	1,023,217	159	(766,218)
Beginning balance (in shares) at Dec. 31, 2024	60,860,838		60,860,838
Beginning balance at Dec. 31, 2024	$ 304,081	[1]	$ 6	1,013,806	321	(710,052)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net unrealized loss on short-term investments	(287)
Net loss	$ (125,767)
Ending balance (in shares) at Sep. 30, 2025	61,449,290		61,449,290
Ending balance at Sep. 30, 2025	$ 200,306		$ 6	1,036,085	34	(835,819)
Beginning balance (in shares) at Mar. 31, 2025			61,386,183
Beginning balance at Mar. 31, 2025	257,164		$ 6	1,023,217	159	(766,218)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock under benefit plans	0
Stock-based compensation expense	6,378			6,378
Net unrealized loss on short-term investments	(160)				(160)
Net loss	(43,300)					(43,300)
Ending balance (in shares) at Jun. 30, 2025			61,386,183
Ending balance at Jun. 30, 2025	220,082		$ 6	1,029,595	(1)	(809,518)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock under benefit plans (in shares)			63,107
Issuance of common stock under benefit plans	72			72
Stock-based compensation expense	6,418			6,418
Net unrealized loss on short-term investments	35				35
Net loss	$ (26,301)					(26,301)
Ending balance (in shares) at Sep. 30, 2025	61,449,290		61,449,290
Ending balance at Sep. 30, 2025	$ 200,306		$ 6	$ 1,036,085	$ 34	$ (835,819)

[1] The condensed balance sheet as of December 31, 2024 has been derived from the audited financial statements as of that date.