Investment Securities - Summary Of Amortized Cost and Estimated Fair Value Of Investment Securities Available For Sale (Detail) - USD ($)	Jun. 30, 2022	Dec. 31, 2021
Investments [Abstract]
Amortized Cost, Within 1 year	$ 0
Amortized Cost, 1 to 5 years	5,008,709
Amortized Cost, 5 to 10 years	17,508,764
Amortized Cost, Over 10 years	0
Amortized Cost, Mortgage-backed securities and collateralized mortgage obligations	27,153,233
Total, Amortized Cost	49,670,706	$ 45,870,407
Estimated Fair Value, Within 1 year	0
Estimated Fair Value, 1 to 5 years	4,937,694
Estimated Fair Value, 5 to 10 years	15,345,383
Estimated Fair Value, Over 10 years	0
Estimated Fair Value, Mortgage-backed securities and collateralized mortgage obligations	25,960,090
Total, Estimated Fair Value	$ 46,243,167	$ 45,631,636

Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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