Nature of Operations and Summary of Significant Accounting Policies - Additional Information (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Accounting Policies [Line Items]
Mortgage loans held for sale are held for an interim period			30 days
Servicing loans previously sold	$ 5,653,404		$ 5,653,404		$ 6,009,774
Loans held for sale					$ 2,345,550
Advertising and marketing expenses	$ 422,032	$ 350,937	$ 1,231,924	$ 906,412