Cash and Cash Equivalents - Schedule of Cash and Cash Equivalents (Detail) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Summary of Investment Holdings [Line Items]
Cost	$ 22,869	$ 18,615
Fair Market Value	22,869	18,615
Cash [Member]
Summary of Investment Holdings [Line Items]
Cost	22,825	18,571
Fair Market Value	22,825	18,571
Money Market Funds [Member]
Summary of Investment Holdings [Line Items]
Cost	44	44
Fair Market Value	$ 44	$ 44