Debt- Schedule of Components of Interest Expense of Term Loan (Detail) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
Interest expense	$ 1,202	$ 456
SVB Term Loan [Member]
Interest payments	603	231
Accrual of the final payment fee	474	183
Accretion and amortization of term loan discounts	125	42
Interest expense	$ 1,202	$ 456

Amount of the cost of borrowed funds accounted for as interest expense.

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Name:	us-gaap_InterestExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration