RESTRICTED STOCK - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Federal Home Loan Bank of New York
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Share price	$ 100
Decrease in outstanding FHLBNY advances	$ 182,000
Bank owned shares	734,751	636,274
Dividend income on the FHLBNY capital stock	$ 5,400	$ 853	$ 1,900
FRB capital stock
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Share price	$ 50
Bank owned shares	502,197	499,052
Dividend income on the FHLBNY capital stock	$ 1,000	$ 828	442
ACBB capital stock
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Bank owned shares	60
Dividend income on the FHLBNY capital stock	$ 2	$ 1	$ 1
ACBB capital stock | Minimum
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Share price	$ 2,500
ACBB capital stock | Maximum
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Share price	$ 3,250