Notes Payable - Schedule of Debt (Detail) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Debt Disclosure [Abstract]
Term loan agreement including PIK interest, before unamortized discount and issuance costs	$ 51,140	$ 49,364
Less: unaccrued paid-in-kind interest	(2,642)	(1,287)
Less: unamortized discount and deferred issuance costs	(241)	(287)
Total notes payable	$ 48,257	$ 47,790