Investments - Investments in Variable Interest Entities (Detail) - USD ($)	Dec. 31, 2022	Dec. 31, 2021
Variable Interest Entity [Line Items]
Maximum Exposure to Loss	$ 5,500,000	$ 4,500,000
Variable Interest Entities
Variable Interest Entity [Line Items]
Investment	2,530,000	1,159,000
Maximum Exposure to Loss	$ 2,959,000	$ 2,139,000