CREDIT QUALITY ASSESSMENT - Narrative (Detail) $ in Thousands	12 Months Ended
	Dec. 31, 2021 USD ($) loan	Dec. 31, 2020 USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans placed on non-accrual	$ 8,100
Reversal of uncollected accrued interest	200
Specific allowance	461	$ 1,020
Other real estate owned	$ 1,034	1,455
Number of consumer mortgage loans | loan	1
Consumer mortgage loan	$ 100
Restructured Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled debt restructurings, balance	18,400	8,500
Troubled debt restructurings restructured, accruing	2,200	2,300
Troubled debt restructurings restructured, non-accruing	16,200	6,200
Loans restructured during the period	14,600	4,500
Specific allowance	500	1,000
Other real estate owned	$ 1,000	$ 1,500