ACQUISITION OF GIBRALTAR BANK - Additional Information (Detail) - USD ($)		3 Months Ended	6 Months Ended
	Feb. 28, 2021	Mar. 31, 2021	Jun. 30, 2021
Business Acquisition [Line Items]
Bargain purchase gain			$ 1,933,397
Gibraltar Bank
Business Acquisition [Line Items]
Bargain purchase gain	$ 1,933,397
Core deposit intangible	$ 400,000
Merger-related expenses		$ 392,000
Bogota Financial, MHC
Business Acquisition [Line Items]
Issuance of common stock for initial public offering, net of expenses, shares	1,267,916