Net Loss per Share - Summary of Basic and Diluted Net loss per Share Attributable to Common Stockholders (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Numerator:
Net loss	$ (21,965)	$ (18,676)
Dividends, Paid-in-kind	(2,259)	(8,239)
Net loss attributable to common stockholders	$ (24,224)	$ (26,915)
Denominator:
Weighted average common shares outstanding—basic and diluted (in shares)	33,737,000	20,751,000
Net loss per share attributable to common stockholders—basic and diluted	$ (0.72)	$ (1.30)