LOANS AND ALLOWANCE FOR CREDIT LOSSES (Schedule of calculation for allowance for credit losses) (Details) - USD ($)	Sep. 30, 2022	Jun. 30, 2022	Dec. 31, 2021		Sep. 30, 2021	Jun. 30, 2021	Dec. 31, 2020
Financing receivable, allowance for credit loss	$ 31,956,000	$ 30,209,000	$ 29,105,000	[1]	$ 30,386,000	$ 31,265,000	$ 36,345,000
Allowances for loan losses	31,956,000	30,209,000	29,105,000	[1]	30,386,000	31,265,000	36,345,000
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate Owner Occupied
Financing receivable, allowance for credit loss	4,833,000	4,301,000	4,562,000		5,116,000	4,769,000	6,699,000
Allowances for loan losses	4,833,000	4,301,000	4,562,000		5,116,000	4,769,000	6,699,000
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate Non-owner Occupied
Financing receivable, allowance for credit loss	6,630,000	7,917,000	9,028,000		10,372,000	11,235,000	11,426,000
Allowances for loan losses	6,630,000	7,917,000	9,028,000		10,372,000	11,235,000	11,426,000
Commercial Real Estate Portfolio Segment [Member] | Loans And Leases Receivable Secured By Farmland [Member]
Financing receivable, allowance for credit loss	26,000	49,000	56,000		58,000	80,000
Allowances for loan losses	26,000	49,000	56,000		58,000	80,000
Commercial Real Estate Portfolio Segment [Member] | Construction Loans [Member]
Financing receivable, allowance for credit loss	1,140,000		998,000		1,396,000		1,815,000
Allowances for loan losses	1,140,000		998,000		1,396,000		1,815,000
Commercial Real Estate Portfolio Segment [Member] | Loans And Leases Receivable Multi Family Residential [Member]
Financing receivable, allowance for credit loss	26,000		56,000		58,000		104,000
Allowances for loan losses	26,000		56,000		58,000		104,000
Residential Portfolio Segment [Member] | 1-4 Family Residential
Financing receivable, allowance for credit loss	4,000,000	4,272,000	3,588,000		4,025,000	4,451,000	9,579,000
Allowances for loan losses	4,000,000	4,272,000	3,588,000		4,025,000	4,451,000	9,579,000
Residential Portfolio Segment [Member] | Home Equity Loan [Member]
Financing receivable, allowance for credit loss	305,000	363,000	437,000		502,000	601,000	901,000
Allowances for loan losses	305,000	363,000	437,000		502,000	601,000	901,000
Commercial Portfolio Segment [Member]
Financing receivable, allowance for credit loss	7,677,000		4,088,000
Allowances for loan losses	7,677,000		4,088,000
Commercial Portfolio Segment [Member] | Construction Loans [Member]
Financing receivable, allowance for credit loss	1,140,000	1,024,000	998,000		1,396,000	2,691,000
Allowances for loan losses	1,140,000	1,024,000	998,000		1,396,000	2,691,000
Commercial Portfolio Segment [Member] | Loans And Leases Receivable Multi Family Residential [Member]
Financing receivable, allowance for credit loss	1,941,000	2,160,000	3,280,000		3,355,000	1,090,000	1,412,000
Allowances for loan losses	1,941,000	2,160,000	3,280,000		3,355,000	1,090,000	1,412,000
Commercial Portfolio Segment [Member] | Commercial Mortgage Loan
Financing receivable, allowance for credit loss	7,677,000	6,428,000	4,088,000		2,592,000	3,582,000	1,498,000
Allowances for loan losses	7,677,000	6,428,000	4,088,000		2,592,000	3,582,000	1,498,000
Consumer Portfolio Segment [Member]
Financing receivable, allowance for credit loss	3,315,000	1,569,000	787,000		659,000	428,000	517,000
Allowances for loan losses	3,315,000	1,569,000	787,000		659,000	428,000	517,000
Consumer Portfolio Segment [Member] | Consumer Borrower [Member]
Financing receivable, allowance for credit loss	3,315,000		787,000
Allowances for loan losses	3,315,000		787,000
Receivables Acquired with Deteriorated Credit Quality [Member]
Financing receivable, allowance for credit loss	2,089,000	2,126,000	2,281,000		2,311,000	2,338,000	2,394,000
Allowances for loan losses	2,089,000	$ 2,126,000	2,281,000		$ 2,311,000	$ 2,338,000	$ 2,394,000
Paycheck Protection Program Loans [Member]
Financing receivable, allowance for credit loss	0
Allowances for loan losses	0
Modeled Expected Credit Losses [Member]
Financing receivable, allowance for credit loss	24,501,000		20,960,000
Allowances for loan losses	24,501,000		20,960,000
Modeled Expected Credit Losses [Member] | Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate Owner Occupied
Financing receivable, allowance for credit loss	4,564,000		4,281,000
Allowances for loan losses	4,564,000		4,281,000
Modeled Expected Credit Losses [Member] | Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate Non-owner Occupied
Financing receivable, allowance for credit loss	6,099,000		8,020,000
Allowances for loan losses	6,099,000		8,020,000
Modeled Expected Credit Losses [Member] | Commercial Real Estate Portfolio Segment [Member] | Loans And Leases Receivable Secured By Farmland [Member]
Financing receivable, allowance for credit loss	7,000		9,000
Allowances for loan losses	7,000		9,000
Modeled Expected Credit Losses [Member] | Residential Portfolio Segment [Member] | 1-4 Family Residential
Financing receivable, allowance for credit loss	3,353,000		3,012,000
Allowances for loan losses	3,353,000		3,012,000
Modeled Expected Credit Losses [Member] | Residential Portfolio Segment [Member] | Home Equity Loan [Member]
Financing receivable, allowance for credit loss	286,000		273,000
Allowances for loan losses	286,000		273,000
Modeled Expected Credit Losses [Member] | Commercial Portfolio Segment [Member]
Financing receivable, allowance for credit loss	4,422,000		2,154,000
Allowances for loan losses	4,422,000		2,154,000
Modeled Expected Credit Losses [Member] | Commercial Portfolio Segment [Member] | Construction Loans [Member]
Financing receivable, allowance for credit loss	800,000		540,000
Allowances for loan losses	800,000		540,000
Modeled Expected Credit Losses [Member] | Commercial Portfolio Segment [Member] | Loans And Leases Receivable Multi Family Residential [Member]
Financing receivable, allowance for credit loss	1,701,000		1,885,000
Allowances for loan losses	1,701,000		1,885,000
Modeled Expected Credit Losses [Member] | Consumer Portfolio Segment [Member] | Consumer Borrower [Member]
Financing receivable, allowance for credit loss	3,269,000		786,000
Allowances for loan losses	3,269,000		786,000
Q Factor And Other Qualitative Adjustments [Member]
Financing receivable, allowance for credit loss	2,869,000		5,205,000
Allowances for loan losses	2,869,000		5,205,000
Q Factor And Other Qualitative Adjustments [Member] | Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate Owner Occupied
Financing receivable, allowance for credit loss	269,000		281,000
Allowances for loan losses	269,000		281,000
Q Factor And Other Qualitative Adjustments [Member] | Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate Non-owner Occupied
Financing receivable, allowance for credit loss	531,000		1,008,000
Allowances for loan losses	531,000		1,008,000
Q Factor And Other Qualitative Adjustments [Member] | Commercial Real Estate Portfolio Segment [Member] | Loans And Leases Receivable Secured By Farmland [Member]
Financing receivable, allowance for credit loss	19,000		47,000
Allowances for loan losses	19,000		47,000
Q Factor And Other Qualitative Adjustments [Member] | Residential Portfolio Segment [Member] | 1-4 Family Residential
Financing receivable, allowance for credit loss	647,000		576,000
Allowances for loan losses	647,000		576,000
Q Factor And Other Qualitative Adjustments [Member] | Residential Portfolio Segment [Member] | Home Equity Loan [Member]
Financing receivable, allowance for credit loss	19,000		164,000
Allowances for loan losses	19,000		164,000
Q Factor And Other Qualitative Adjustments [Member] | Commercial Portfolio Segment [Member]
Financing receivable, allowance for credit loss	802,000		1,276,000
Allowances for loan losses	802,000		1,276,000
Q Factor And Other Qualitative Adjustments [Member] | Commercial Portfolio Segment [Member] | Construction Loans [Member]
Financing receivable, allowance for credit loss	340,000		458,000
Allowances for loan losses	340,000		458,000
Q Factor And Other Qualitative Adjustments [Member] | Commercial Portfolio Segment [Member] | Loans And Leases Receivable Multi Family Residential [Member]
Financing receivable, allowance for credit loss	240,000		1,395,000
Allowances for loan losses	240,000		1,395,000
Q Factor And Other Qualitative Adjustments [Member] | Consumer Portfolio Segment [Member] | Consumer Borrower [Member]
Financing receivable, allowance for credit loss	2,000
Allowances for loan losses	2,000
Specific Allocation [Member]
Financing receivable, allowance for credit loss	4,586,000		2,940,000
Allowances for loan losses	4,586,000		2,940,000
Specific Allocation [Member] | Commercial Portfolio Segment [Member]
Financing receivable, allowance for credit loss	2,453,000		658,000
Allowances for loan losses	2,453,000		658,000
Specific Allocation [Member] | Consumer Portfolio Segment [Member] | Consumer Borrower [Member]
Financing receivable, allowance for credit loss	44,000		1,000
Allowances for loan losses	44,000		1,000
Specific Allocation [Member] | Receivables Acquired with Deteriorated Credit Quality [Member]
Financing receivable, allowance for credit loss	2,089,000		2,281,000
Allowances for loan losses	$ 2,089,000		$ 2,281,000

[1] Derived from audited consolidated financial statements