Net Loss Per Share Attributable to Common Stockholders - Summary of Basic and Diluted Net Loss Per Share (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Net loss	$ (86,009)	$ (94,922)	$ (158,046)	$ (119,296)
Cumulative redeemable convertible preferred stock dividends		3,166		7,060
Net loss available to common stockholders	$ (86,009)	$ (98,088)	$ (158,046)	$ (126,356)
Denominator:
Denominator for Basic Loss per share-Weighted-average Common Stock	135,903,592	51,202,335	134,835,401	41,973,595
Denominator for Dilutive Loss per share-Weighted-average Common Stock	135,903,592	51,202,335	134,835,401	41,973,595
Basic loss per share	$ (0.63)	$ (1.92)	$ (1.17)	$ (3.01)
Diluted loss per share	$ (0.63)	$ (1.92)	$ (1.17)	$ (3.01)
Class A Common Stock [Member]
Denominator:
Denominator for Basic Loss per share-Weighted-average Common Stock	118,559,851	20,761,219	117,402,411	10,323,885
Denominator for Dilutive Loss per share-Weighted-average Common Stock	118,559,851	20,761,219	117,402,411	10,323,885
Class B Common Stock [Member]
Denominator:
Denominator for Basic Loss per share-Weighted-average Common Stock	17,343,741	3,440,961	17,432,990	1,711,079
Denominator for Dilutive Loss per share-Weighted-average Common Stock	17,343,741	3,440,961	17,432,990	1,711,079
Series A Common Stock [Member]
Denominator:
Denominator for Basic Loss per share-Weighted-average Common Stock		21,730,147		24,005,629
Denominator for Dilutive Loss per share-Weighted-average Common Stock		21,730,147		24,005,629
Series B Common Stock [Member]
Denominator:
Denominator for Basic Loss per share-Weighted-average Common Stock		2,483,731		2,770,584
Denominator for Dilutive Loss per share-Weighted-average Common Stock		2,483,731		2,770,584
Warrants [Member]
Denominator:
Denominator for Basic Loss per share-Weighted-average Common Stock		2,786,277		3,162,418
Denominator for Dilutive Loss per share-Weighted-average Common Stock		2,786,277		3,162,418