BASIS OF INTERIM PRESENTATION AND STATUS OF RECENT ACCOUNTING PRONOUNCEMENTS (Details) - USD ($)		3 Months Ended
	Jan. 01, 2023	Mar. 31, 2023	Dec. 31, 2022
RECENT ACCOUNTING PRONOUNCEMENTS
Allowance for credit loss		$ 0	$ 0
Loans receivable		1,745,139,000	1,740,040,000
Allowance for credit losses		18,346,000	16,615,000
Allowance for credit losses on off-balance sheet exposures (included in accrued interest and other liabilities)		1,178,000	425,000
Deferred tax asset, net		18,914,000	20,884,000
Retained earnings		151,990,000	151,743,000
Interest receivable		2,659,000
Interest receivable excluded from the estimate of credit losses		$ 6,109,000
Financing Receivable, Estimated Weighted Average Remaining Maturity Average Life	4 years 4 months 9 days	4 years 3 months 21 days
Past period charge offs used to calculate current charge offs	5 years	5 years 3 months
Commercial
RECENT ACCOUNTING PRONOUNCEMENTS
Loans receivable			1,111,498,000
Threshold amount of financing receivables for credit losses		$ 200,000
Residential mortgage loans
RECENT ACCOUNTING PRONOUNCEMENTS
Loans receivable		401,720,000	393,582,000
Threshold amount of financing receivables for credit losses		400,000
Consumer loans
RECENT ACCOUNTING PRONOUNCEMENTS
Loans receivable		54,153,000	54,874,000
Threshold amount of financing receivables for credit losses		400,000
Adjustment
RECENT ACCOUNTING PRONOUNCEMENTS
Loans receivable			1,740,846,000
Allowance for credit losses	$ 2,104,000		18,719,000
Allowance for credit losses on off-balance sheet exposures (included in accrued interest and other liabilities)		$ 793,000	1,218,000
Deferred tax asset, net			21,323,000
Retained earnings			150,091,000
Adjustment | Residential mortgage loans
RECENT ACCOUNTING PRONOUNCEMENTS
Allowance for credit losses	(344,000)
Adjustment | Consumer loans
RECENT ACCOUNTING PRONOUNCEMENTS
Allowance for credit losses	$ (234,000)
Accounting Standards Update 2022-02 [Member]
RECENT ACCOUNTING PRONOUNCEMENTS
Loans receivable			806,000
Allowance for credit losses			2,104,000
Allowance for credit losses on off-balance sheet exposures (included in accrued interest and other liabilities)			793,000
Deferred tax asset, net			439,000
Retained earnings			$ (1,652,000)