Net Loss Per Share - Calculation of Basic and Diluted Net Loss Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Numerator:
Allocation of undistributed earnings	$ (13,834)	$ (15,706)	$ (27,801)	$ (37,467)
Numerator for basic and diluted net loss per share – loss available to common stockholders	$ (13,834)	$ (15,706)	$ (27,801)	$ (37,467)
Denominator:
Weighted-average common shares outstanding (in shares)	248,393,811	211,663,554	241,695,884	210,268,501
Denominator for basic and diluted net loss per shares - weighted-average common stock (in shares)	248,393,811	211,663,554	241,695,884	210,268,501
Basic net loss per share (in dollars per share)	$ (0.06)	$ (0.07)	$ (0.12)	$ (0.18)
Diluted net loss per share (in dollars per share)	$ (0.06)	$ (0.07)	$ (0.12)	$ (0.18)
Class A Common Stock
Numerator:
Allocation of undistributed earnings	$ (12,362)	$ (13,745)	$ (24,761)	$ (32,758)
Numerator for basic and diluted net loss per share – loss available to common stockholders	$ (12,362)	$ (13,745)	$ (24,761)	$ (32,758)
Denominator:
Weighted-average common shares outstanding (in shares)	221,966,874	185,236,617	215,268,947	183,841,564
Denominator for basic and diluted net loss per shares - weighted-average common stock (in shares)	221,966,874	185,236,617	215,268,947	183,841,564
Basic net loss per share (in dollars per share)	$ (0.06)	$ (0.07)	$ (0.12)	$ (0.18)
Diluted net loss per share (in dollars per share)	$ (0.06)	$ (0.07)	$ (0.12)	$ (0.18)
Class B Common Stock
Numerator:
Allocation of undistributed earnings	$ (1,472)	$ (1,961)	$ (3,040)	$ (4,709)
Numerator for basic and diluted net loss per share – loss available to common stockholders	$ (1,472)	$ (1,961)	$ (3,040)	$ (4,709)
Denominator:
Weighted-average common shares outstanding (in shares)	26,426,937	26,426,937	26,426,937	26,426,937
Denominator for basic and diluted net loss per shares - weighted-average common stock (in shares)	26,426,937	26,426,937	26,426,937	26,426,937
Basic net loss per share (in dollars per share)	$ (0.06)	$ (0.07)	$ (0.12)	$ (0.18)
Diluted net loss per share (in dollars per share)	$ (0.06)	$ (0.07)	$ (0.12)	$ (0.18)