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Goodwill and Core Deposit Intangible, Net - 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	Jan. 01, 2020
Finite-Lived Intangible Assets [Line Items]
Goodwill	$ 18,033,880		$ 18,033,880		$ 18,033,880
Intangible assets	1,332,377		1,332,377		1,453,502
Heritage Bancorp Inc
Finite-Lived Intangible Assets [Line Items]
Goodwill					18,033,880	$ 18,033,880
Core Deposits
Finite-Lived Intangible Assets [Line Items]
Amortization expense	$ 40,375	$ 40,375	$ 121,125	$ 121,125
Weighted average life			8 years 3 months
Core Deposits \| Heritage Bancorp Inc
Finite-Lived Intangible Assets [Line Items]
Intangible assets					$ 1,615,002