Commitments and Contingencies - Schedule of Supplemental Balance Sheet Information Related to Leases (Detail) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Commitments and Contingencies Disclosure [Abstract]
Operating lease right-of-use assets	$ 29	$ 106
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	Other assets	Other assets
Operating lease liabilities	$ 29	$ 106
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	$ 462	$ 362
Finance lease accumulated amortization right-of-use assets	(320)	(193)
Property and equipment, net	$ 142	$ 169
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	Property and equipment, net	Property and equipment, net
Finance lease liabilities	$ 238	$ 230
Finance Lease, Liability, Statement of Financial Position [Extensible List]	Accounts payable and other liabilities	Accounts payable and other liabilities