LOANS - Summary of collateral - dependent loans individually evaluated with the allowance for credit losses by collateral type (Detail) - USD ($)	Mar. 31, 2023	Dec. 31, 2022
Financing Receivable, Past Due [Line Items]
Loans individually evaluated with the allowance for credit losses		$ 33,000
Commercial Real Estate Portfolio Segment
Financing Receivable, Past Due [Line Items]
Loans individually evaluated with the allowance for credit losses	$ 10,922,520
Commercial Real Estate Portfolio Segment | Residential First Mortgage
Financing Receivable, Past Due [Line Items]
Loans individually evaluated with the allowance for credit losses		$ 33,000
Commercial Real Estate Portfolio Segment | Construction
Financing Receivable, Past Due [Line Items]
Loans individually evaluated with the allowance for credit losses	$ 10,922,520