Convertible Preferred Stock and Stockholders’ Equity (Deficit) - Convertible Preferred Stock (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Jun. 30, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Dec. 31, 2021
Class of Stock [Line Items]
Convertible preferred stock, shares authorized (in shares)	0		179,639,650
Convertible preferred stock, shares outstanding (in shares)	0	34,942,503	34,942,503	34,942,503	22,498,827	22,498,827
Convertible preferred stock, shares issued (in shares)	0		34,942,503
Convertible preferred stock, liquidation preference	$ 0		$ 397,755
Convertible preferred stock, carrying value	$ 0	$ 415,258	$ 415,258	$ 415,258	$ 255,909	$ 255,909
Series A
Class of Stock [Line Items]
Convertible preferred stock, shares authorized (in shares)			45,000,000
Convertible preferred stock, shares outstanding (in shares)			8,753,147
Convertible preferred stock, shares issued (in shares)			8,753,147
Convertible preferred stock, liquidation preference			$ 41,512
Convertible preferred stock, carrying value			$ 45,937
Series B
Class of Stock [Line Items]
Convertible preferred stock, shares authorized (in shares)			46,666,672
Convertible preferred stock, shares outstanding (in shares)			9,077,342
Convertible preferred stock, shares issued (in shares)			9,077,342
Convertible preferred stock, liquidation preference			$ 96,860
Convertible preferred stock, carrying value			$ 104,270
Series C
Class of Stock [Line Items]
Convertible preferred stock, shares authorized (in shares)			23,999,996
Convertible preferred stock, shares outstanding (in shares)			4,668,338
Convertible preferred stock, shares issued (in shares)			4,668,338
Convertible preferred stock, liquidation preference			$ 99,628
Convertible preferred stock, carrying value			$ 105,702
Series D
Class of Stock [Line Items]
Convertible preferred stock, shares authorized (in shares)			63,972,982
Convertible preferred stock, shares outstanding (in shares)			12,443,676
Convertible preferred stock, shares issued (in shares)			12,443,676
Convertible preferred stock, liquidation preference			$ 159,755
Convertible preferred stock, carrying value			$ 159,349