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Related Party Transactions - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024
Related Party Transactions
Accounts payable	$ 6,260		$ 6,260		$ 4,176
Accrued expenses	40,272		40,272		35,117
Prepaid expenses and other current assets	7,952		7,952		13,457
BIRC | Chief Medical Officer
Related Party Transactions
Expenses incurred	23	$ 8	48	$ 51
Accounts payable	20		20		0
Accrued expenses	3		3		5
i2 Vision Inc | Related Party
Related Party Transactions
Expenses incurred	0	623	(121)	1,961
Accounts payable	0		0		132
Accrued expenses	0		0		383
Pass-through costs		313		349
Prepaid expenses and other current assets	$ 0		$ 0		$ 176
WilmerHale | Chief Business Officer
Related Party Transactions
Expenses incurred		0		1,080
Heier Consulting LLC | Related Party
Related Party Transactions
Expenses incurred		$ 0		$ 5
Total grant date fair value of stock-based awards granted			$ 96

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