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Significant Accounting Policies - Mutual Fund Administration Revenue (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Revenue from External Customer [Line Items]
Total revenue	$ 136,716,371	$ 154,496,019	$ 182,193,837
Administration revenue, gross
Revenue from External Customer [Line Items]
Total revenue	21,597,721	25,188,386	29,635,451
Fund related expense
Revenue from External Customer [Line Items]
Expenses	(14,060,850)	(15,017,884)	(17,579,223)
Mutual fund administration revenue, net
Revenue from External Customer [Line Items]
Total revenue	$ 7,536,871	$ 10,170,502	$ 12,056,228

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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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