Net Loss Per Share Attributable to Common Stockholders - Schedule of Anti-Dilutive Common Equivalent Shares (Detail) - shares	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Options [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive common shares	880,846	912,198
Warrants [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive common shares		1,973,763
Preferred Stock [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive common shares		39,223,194
Restricted Stock and Restricted Stock Units [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive common shares	67,499,127
Performance Stock Units [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive common shares	2,291,800