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FINANCIAL INSTRUMENTS WITH OFF-BALANCE SHEET RISK - Narrative (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Fair Value Disclosures [Abstract]      
Reserve in other liabilities $ 1,600 $ 1,500  
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Reserve in other liabilities 1,600 1,500  
Off-balance sheet credit exposures expense 57 511 $ 39
MPF Program      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total outstanding balance of loans sold under the MPF Program 13,500 18,900  
Limited recourse back on loans $ 714 $ 777