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Significant Accounting Policies - Mutual Fund Administration Gross and Net Revenue (Detail) - USD ($)	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Revenue from External Customer [Line Items]
Revenue	$ 36,294,930	$ 33,990,503
Administration revenue, gross
Revenue from External Customer [Line Items]
Revenue	5,718,610	5,416,875
Fund related expense
Revenue from External Customer [Line Items]
Expenses	3,775,473	3,468,831
Mutual fund administration revenue, net
Revenue from External Customer [Line Items]
Revenue	$ 1,943,137	$ 1,948,044

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The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.

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