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Stock-Based Compensation - Additional Information (Details) - USD ($)		3 Months Ended		9 Months Ended		12 Months Ended
	Jun. 07, 2024	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023	Mar. 31, 2024	Feb. 29, 2024
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of shares granted				2,645,079
Stock-based compensation expense		$ 3,182,000	$ 859,000	$ 7,027,000	$ 2,527,000
Minimum
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Vesting period				4 years
Maximum
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Vesting period				10 years
Service-Based RSAs
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Vesting period				4 years
Total unrecognized compensation cost related to unvested stock options		3,900,000		$ 3,900,000
Stock-based compensation expense, expected weighted average period for recognition				2 years 3 months
Aggregate fair value of service-based and performance-based RSAs, vested				$ 500,000	7,100,000
Performance-Based RSAs
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Total unrecognized compensation cost related to unvested stock options		500,000		$ 500,000
Stock-based compensation expense, expected weighted average period for recognition				2 years 1 month 6 days
Aggregate fair value of service-based and performance-based RSAs, vested				$ 2,300,000	600,000
Stock Options
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock-based compensation expense		2,500,000	0	$ 5,000,000	$ 0
Weighted-average grant-date fair value of stock options granted				$ 10.78	$ 0
Total unrecognized compensation cost related to unvested stock options		31,300,000		$ 31,300,000
Stock-based compensation expense, expected weighted average period for recognition				3 years 5 months 23 days
Restricted Stock Awards
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock-based compensation expense		$ 700,000	$ 900,000	$ 2,100,000	$ 2,500,000
2022 Stock Option and Grant Plan
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of common stock reserved		2,746,371		2,746,371		1,743,280
2022 Plan
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of common stock reserved and authorized for issuance						1,743,280
Number of common stock reserved							2,948,559	1,743,280
Number of shares granted						0
2024 Plan
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of common stock reserved		3,814,618		3,814,618
Number of shares granted				2,586,014
Annual automatic increases in the number of shares		5.00%		5.00%
2024 ESPP
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of common stock reserved and authorized for issuance	324,243
Number of common stock reserved		324,243		324,243
Number of shares granted		0		0
Number of additional shares allowable under the plan	648,486
Percentage of outstanding shares	1.00%
2024 Stock Option and Grant Plan
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of common stock reserved		3,814,618		3,814,618