Net Loss Per Share Attributable to Common Stockholders - Summary of Basic and Diluted Net Loss Per Share (Detail) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Net loss	$ (187,481)	$ (279,239)	$ (249,563)
Cumulative redeemable convertible preferred stock dividends			7,060
Net loss available to common stockholders	$ (187,481)	$ (279,239)	$ (256,623)
Denominator [Abstract]
Denominator for Basic Loss per share-Weighted-average Common Stock	156,697,308	138,985,265	86,932,191
Denominator for Dilutive Loss per share-Weighted-average Common Stock	156,697,308	138,985,265	86,932,191
Basic loss per share	$ (1.2)	$ (2.01)	$ (2.95)
Diluted loss per share	$ (1.2)	$ (2.01)	$ (2.95)
Class A Common Stock [Member]
Denominator [Abstract]
Denominator for Basic Loss per share-Weighted-average Common Stock	140,593,656	122,455,432	61,972,951
Denominator for Dilutive Loss per share-Weighted-average Common Stock	140,593,656	122,455,432	61,972,951
Class B Common Stock [Member]
Denominator [Abstract]
Denominator for Basic Loss per share-Weighted-average Common Stock	16,103,652	16,529,833	10,143,209
Denominator for Dilutive Loss per share-Weighted-average Common Stock	16,103,652	16,529,833	10,143,209
Series A Common Stock [Member]
Denominator [Abstract]
Denominator for Basic Loss per share-Weighted-average Common Stock			11,904,161
Denominator for Dilutive Loss per share-Weighted-average Common Stock			11,904,161
Series B Common Stock [Member]
Denominator [Abstract]
Denominator for Basic Loss per share-Weighted-average Common Stock			1,372,351
Denominator for Dilutive Loss per share-Weighted-average Common Stock			1,372,351
Warrant [Member]
Denominator [Abstract]
Denominator for Basic Loss per share-Weighted-average Common Stock			1,539,519
Denominator for Dilutive Loss per share-Weighted-average Common Stock			1,539,519