Commitments and Contingencies - Schedule of Supplemental Balance Sheet Information Related to Leases (Detail) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Commitments and Contingencies Disclosure [Abstract]
Operating lease right-of-use assets	$ 106	$ 193
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	Other assets	Other assets
Operating lease liabilities	$ 106	$ 193
Operating Lease, Liability, Statement of Financial Position [Extensible List]	Accounts payable and other liabilities	Accounts payable and other liabilities
Finance lease right-of-use assets	$ 362	$ 241
Finance lease accumulated amortization right-of-use assets	(193)	(76)
Property and equipment, net	$ 169	$ 165
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	Property and equipment, net	Property and equipment, net
Finance lease liabilities	$ 230	$ 202
Finance Lease, Liability, Statement of Financial Position [Extensible List]	Accounts payable and other liabilities	Accounts payable and other liabilities