Intangibles - Components of Intangible Assets (Detail) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Finite Lived Intangible Assets [Line Items]
Intangible assets, Net Carrying Value	$ 1,418	$ 1,641
License Agreements [Member]
Finite Lived Intangible Assets [Line Items]
Intangible assets, Gross Carrying Value	3,117	3,117
Intangible assets, Accumulated Amortization	(1,699)	(1,476)
Intangible assets, Net Carrying Value	$ 1,418	$ 1,641