Condensed Consolidated Statements of Redeemable Convertible Preferred Stock and Stockholders’ Deficit - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Accumulated Other Comprehensive Loss	Accumulated Deficit
Beginning balance (in shares) at Dec. 31, 2023	122,231,454
Beginning balance at Dec. 31, 2023	$ 768,566
Ending balance (in shares) at Mar. 31, 2024	122,231,454
Ending balance at Mar. 31, 2024	$ 768,566
Common stock, beginning of period (in shares) at Dec. 31, 2023		4,940,925
Balance, beginning of period at Dec. 31, 2023	(777,564)	$ 5	$ 97,465	$ (501)	$ (874,533)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock upon exercise of stock options (in shares)		10,561
Issuance of common stock upon exercise of stock options	77		77
Stock-based compensation expense	2,723		2,723
Foreign currency translation (loss) gain	1			1
Net loss	(20,932)				(20,932)
Common stock, end of period (in shares) at Mar. 31, 2024		4,951,486
Balance, end of period at Mar. 31, 2024	$ (795,695)	$ 5	100,265	(500)	(895,465)
Beginning balance (in shares) at Dec. 31, 2023	122,231,454
Beginning balance at Dec. 31, 2023	$ 768,566
Ending balance (in shares) at Jun. 30, 2024	122,231,454
Ending balance at Jun. 30, 2024	$ 768,566
Common stock, beginning of period (in shares) at Dec. 31, 2023		4,940,925
Balance, beginning of period at Dec. 31, 2023	(777,564)	$ 5	97,465	(501)	(874,533)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Foreign currency translation (loss) gain	(99)
Net loss	(44,311)
Common stock, end of period (in shares) at Jun. 30, 2024		5,565,100
Balance, end of period at Jun. 30, 2024	$ (814,917)	$ 6	104,521	(600)	(918,844)
Beginning balance (in shares) at Mar. 31, 2024	122,231,454
Beginning balance at Mar. 31, 2024	$ 768,566
Ending balance (in shares) at Jun. 30, 2024	122,231,454
Ending balance at Jun. 30, 2024	$ 768,566
Common stock, beginning of period (in shares) at Mar. 31, 2024		4,951,486
Balance, beginning of period at Mar. 31, 2024	(795,695)	$ 5	100,265	(500)	(895,465)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock upon exercise of stock options (in shares)		613,614
Issuance of common stock upon exercise of stock options	1,617	$ 1	1,616
Stock-based compensation expense	2,640		2,640
Foreign currency translation (loss) gain	(100)			(100)
Net loss	(23,379)				(23,379)
Common stock, end of period (in shares) at Jun. 30, 2024		5,565,100
Balance, end of period at Jun. 30, 2024	$ (814,917)	$ 6	104,521	(600)	(918,844)
Beginning balance (in shares) at Dec. 31, 2024	122,231,454
Beginning balance at Dec. 31, 2024	$ 768,566
Ending balance (in shares) at Mar. 31, 2025	122,231,454
Ending balance at Mar. 31, 2025	$ 768,566
Common stock, beginning of period (in shares) at Dec. 31, 2024	6,122,048	6,122,048
Balance, beginning of period at Dec. 31, 2024	$ (859,484)	$ 6	112,241	(772)	(970,959)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock upon exercise of stock options (in shares)		130,813
Issuance of common stock upon exercise of stock options	578		578
Stock-based compensation expense	2,492		2,492
Foreign currency translation (loss) gain	(236)			(236)
Net loss	(32,345)				(32,345)
Common stock, end of period (in shares) at Mar. 31, 2025		6,252,861
Balance, end of period at Mar. 31, 2025	$ (888,995)	$ 6	115,311	(1,008)	(1,003,304)
Beginning balance (in shares) at Dec. 31, 2024	122,231,454
Beginning balance at Dec. 31, 2024	$ 768,566
Ending balance (in shares) at Jun. 30, 2025	122,231,454
Ending balance at Jun. 30, 2025	$ 768,566
Common stock, beginning of period (in shares) at Dec. 31, 2024	6,122,048	6,122,048
Balance, beginning of period at Dec. 31, 2024	$ (859,484)	$ 6	112,241	(772)	(970,959)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock upon exercise of stock options (in shares)	267,396
Foreign currency translation (loss) gain	$ 55
Net loss	$ (41,541)
Common stock, end of period (in shares) at Jun. 30, 2025	6,389,444	6,389,444
Balance, end of period at Jun. 30, 2025	$ (894,795)	$ 6	118,416	(717)	(1,012,500)
Beginning balance (in shares) at Mar. 31, 2025	122,231,454
Beginning balance at Mar. 31, 2025	$ 768,566
Ending balance (in shares) at Jun. 30, 2025	122,231,454
Ending balance at Jun. 30, 2025	$ 768,566
Common stock, beginning of period (in shares) at Mar. 31, 2025		6,252,861
Balance, beginning of period at Mar. 31, 2025	(888,995)	$ 6	115,311	(1,008)	(1,003,304)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock upon exercise of stock options (in shares)		136,583
Issuance of common stock upon exercise of stock options	852		852
Stock-based compensation expense	2,253		2,253
Foreign currency translation (loss) gain	291			291
Net loss	$ (9,196)				(9,196)
Common stock, end of period (in shares) at Jun. 30, 2025	6,389,444	6,389,444
Balance, end of period at Jun. 30, 2025	$ (894,795)	$ 6	$ 118,416	$ (717)	$ (1,012,500)