Commitments and Contingencies - Schedule of Future Minimum Lease Payments under Non-cancellable Operating Leases, Reconciliation of Undiscounted Cash Flows to the Operating Lease Liability (Detail) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Operating Lease Liabilities, Payments Due [Abstract]
2023 (Excluding the three months ended March 31, 2023)	$ 1,498
Total future minimum lease payments, undiscounted	1,498
Less imputed interest	(42)
Operating lease liabilities	1,456
Operating lease liabilities reported as of March 31, 2023:
Operating lease liabilities - current	1,456	$ 1,918
Total	$ 1,456