Investments - Schedule of Equity Investments (Detail) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Schedule of Equity Method Investments [Line Items]
Total equity investments	$ 1,666	$ 1,514
Common Stock [Member]
Schedule of Equity Method Investments [Line Items]
Total equity investments	0	0
Membership Shares [Member]
Schedule of Equity Method Investments [Line Items]
Total equity investments	$ 1,666	$ 1,514