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The amount of net charge related to specific loans included in the provision for loan losses.

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Interest and fee income generated by commercial and consumer loans which is taxable.

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The amount of net increase (decrease) in specific allowances on loans included in the provision for loan losses.

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The net increase(decrease) in interest income during the period representing the allocation of deferred loan origination fees less deferred loan origination costs using the effective interest method over the term of the debt arrangement to which they pertain taking into account the effect of prepayments.

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Amount of unfunded portion of contractual agreement to lend funds to borrower for financing receivable modified as troubled debt restructuring.

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LOANS - Additional information (Details)	3 Months Ended								12 Months Ended
LOANS - Additional information (Details)	Dec. 31, 2021 USD ($) loan	Sep. 30, 2021 USD ($)	Jun. 30, 2021 USD ($)	Mar. 31, 2021 USD ($)	Dec. 31, 2020 USD ($) loan	Sep. 30, 2020 USD ($)	Jun. 30, 2020 USD ($)	Mar. 31, 2020 USD ($)	Dec. 31, 2021 USD ($) loan	Dec. 31, 2020 USD ($) loan	Dec. 31, 2019 USD ($)
LOANS
Unamortized Loan Commitment and Origination Fees and Unamortized Discounts or Premiums, Total	$ 4,247,000				$ 6,286,000				$ 4,247,000	$ 6,286,000
Recorded investment - with allowance	6,540,000				8,082,000				6,540,000	8,082,000
Specific allowances	740,000				925,000				740,000	925,000
Loans receivable	1,564,849,000				1,644,209,000				1,564,849,000	1,644,209,000
Allowance for Loan losses	13,537,000				11,385,000				13,537,000	11,385,000	$ 9,836,000
Interest and fees									74,549,000	67,384,000
Financing receivable charge-offs									1,575,000	2,465,000
Provision (credit) for loan losses	1,128,000	$ 1,530,000	$ 744,000	$ 259,000	620,000	$ 1,941,000	$ (176,000)	$ 1,528,000	3,661,000	3,913,000
Increase (decrease) in provision for loan losses									(252,000)
Amount of net charge related to specific loans									1,324,000
Amount of net increase (decrease) in specific allowances on loans									(185,000)
Amount of net charge offs related to a specific loan									1,509,000
Amount of increase (decrease) in the provision for loan losses from collectively determined portion of allowance									2,251,000
Amount of increase (decrease) in the provision for loan losses from unallocated portion of allowance									86,000
Recorded Investment	15,734,000				17,818,000				15,734,000	17,818,000
Financing Receivable, Troubled Debt Restructuring, Commitment to Lend	0				0				0	0
Purchased Credit Impaired
LOANS
Loans receivable	6,558,000				6,841,000				6,558,000	6,841,000
Loans Modified, Recorded Investment	$ 6,558,000				$ 6,841,000				$ 6,558,000	$ 6,841,000
COVID-19-related loan modifications
LOANS
Loans Modified, Number of Loans \| loan	0				45				0	45
Loans Modified, Recorded Investment					$ 37,397,000					$ 37,397,000
Small Business Administration - Paycheck Protection Program
LOANS
Accretion of fees received									$ 5,515,000	1,901,000
Interest and fees									6,530,000	2,924,000
Paycheck Protection Program - 1st Draw
LOANS
Unamortized Loan Commitment and Origination Fees and Unamortized Discounts or Premiums, Total	$ 54,000								54,000
Contractual principal balances	1,410,000								1,410,000
Recorded Investment	1,356,000								1,356,000
Paycheck Protection Program - 2nd Draw
LOANS
Unamortized Loan Commitment and Origination Fees and Unamortized Discounts or Premiums, Total	848,000								848,000
Contractual principal balances	26,356,000								26,356,000
Recorded Investment	25,508,000								25,508,000
Unfunded Loan Commitment
LOANS
Allowance for Loan losses	0				0				0	0
Commercial
LOANS
Loans receivable	978,371,000				1,007,751,000				978,371,000	1,007,751,000
Allowance for Loan losses	8,293,000				6,308,000				8,293,000	6,308,000	4,788,000
Financing receivable charge-offs									1,464,000	2,343,000
Provision (credit) for loan losses									3,427,000	3,847,000
Recorded Investment	1,391,000								1,391,000
Commercial \| Maximum
LOANS
Threshold amount of loan balance for evaluating individual impairment loss	200,000								200,000
Commercial \| Purchased Credit Impaired
LOANS
Loans receivable	6,485,000				6,696,000				6,485,000	6,696,000
Commercial \| Loan Customer Major Write Off [Member]
LOANS
Financing receivable charge-offs									1,463,000	$ 2,219,000
Number of loan charged off \| loan										1
Recorded Investment	0				0				0	$ 0
Commercial \| Paycheck Protection Program - 1st Draw
LOANS
Loans receivable	1,356,000				132,269,000				1,356,000	132,269,000
Allowance for Loan losses	0				0				0	0
Commercial \| Paycheck Protection Program - 1st Draw \| Purchased Credit Impaired
LOANS
Loans receivable	0				0				0	0
Commercial \| Paycheck Protection Program - 2nd Draw
LOANS
Loans receivable	25,508,000				0				25,508,000	0
Allowance for Loan losses	0								0
Commercial \| Paycheck Protection Program - 2nd Draw \| Purchased Credit Impaired
LOANS
Loans receivable	0								0
Commercial \| Commercial and industrial
LOANS
Recorded investment - with allowance	72,000				72,000				72,000	72,000
Specific allowances	72,000				72,000				72,000	72,000
Loans receivable	159,073,000				159,577,000				159,073,000	159,577,000
Allowance for Loan losses	2,723,000				2,245,000				2,723,000	2,245,000	1,391,000
Financing receivable charge-offs									1,464,000	2,236,000
Provision (credit) for loan losses									1,922,000	3,074,000
Commercial \| Commercial and industrial \| Purchased Credit Impaired
LOANS
Loans receivable	763,000				784,000				763,000	784,000
Commercial \| Real estate loan
LOANS
Recorded investment - with allowance	6,468,000				6,501,000				6,468,000	6,501,000
Specific allowances	668,000				691,000				668,000	691,000
Loans receivable	569,840,000				531,810,000				569,840,000	531,810,000
Allowance for Loan losses	4,405,000				3,051,000				4,405,000	3,051,000	1,921,000
Financing receivable charge-offs									0	0
Provision (credit) for loan losses									1,352,000	1,130,000
Commercial \| Real estate loan \| TDRs for which payment defaults occurred
LOANS
Specific allowances	427,000				416,000				427,000	416,000
Commercial \| Real estate loan \| Purchased Credit Impaired
LOANS
Loans receivable					4,298,000					4,298,000
Unallocated
LOANS
Allowance for Loan losses	671,000				585,000				671,000	585,000	585,000
Financing receivable charge-offs									0	0
Provision (credit) for loan losses									86,000	0
Residential mortgage
LOANS
Loans receivable	569,346,000				620,172,000				569,346,000	620,172,000
Allowance for Loan losses	4,338,000				4,253,000				4,338,000	4,253,000	$ 4,182,000
Financing receivable charge-offs									11,000	0
Provision (credit) for loan losses									90,000	27,000
Residential mortgage \| Maximum
LOANS
Threshold amount of loan balance for evaluating individual impairment loss	400,000								400,000
Residential mortgage \| Purchased Credit Impaired
LOANS
Loans receivable	73,000				$ 145,000				73,000	$ 145,000
Residential mortgage \| Real estate loan
LOANS
Loans receivable	569,840,000								569,840,000
Residential mortgage \| Real estate loan \| Purchased Credit Impaired
LOANS
Loans receivable	$ 4,144,000								$ 4,144,000