Income Taxes - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Tax Disclosure [Abstract]
Operating loss carryforwards		$ 36.8
Deferred tax assets, operating loss carryforwards, carried forward indefinitely	$ 34.7
Deferred tax assets, operating loss carryforwards, subject to expiration	$ 2.1
Deferred tax assets, capital loss carryforwards, subject to expiration		$ 0.2
Carryforward period		4 years
Deferred tax assets, capital loss carryforwards, not subject to expiration		$ 2.4
Deferred tax assets, capital loss carryforwards, subject to expiration, period		3 years
U.S. statutory tax rate	21.00%	21.00%	21.00%