LOANS AND ALLOWANCE FOR CREDIT LOSSES - TDR MODIFICATIONS (Details)	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2022 USD ($)	Jun. 30, 2021 USD ($) loan	Jun. 30, 2022 USD ($) loan	Jun. 30, 2021 USD ($) loan	Dec. 31, 2021 USD ($) loan
Troubled Debt Restructurings disclosures
Period of time loans are not past due in which TDR loans are performing			30 days
Number of Loans	494	292	2,590		2,429
Recorded Investment	$ 136,000	$ 330,000	$ 13,612,000		$ 15,386,000
Commitments to lend any additional material amounts to existing TDR relationships	0		0		$ 0
Change between the pre and post modification loan	$ 0	$ 0	$ 0	$ 0
Modified During The Period
Troubled Debt Restructurings disclosures
Number of Loans | loan			497	600
Recorded Investment			$ 605,000	$ 767,000
Performing Financing Receivable
Troubled Debt Restructurings disclosures
Number of Loans	492	291	2,575		2,413
Recorded Investment	$ 112,000	$ 280,000	$ 10,765,000		$ 12,177,000
Percentage of troubled debt restructurings performing as per terms of modifications	79.00%		79.00%		79.00%
Specific reserve allocations made to customers	$ 2,000,000		$ 2,000,000		$ 2,000,000
Percentage of Bank's TDRs that occurred during period, which were performing according to their modified terms	82.00%	85.00%	92.00%	67.00%
Specific ACLL allocations made to customers whose loan terms were modified in TDRs during period	$ 36,000	$ 18,000	$ 36,000	$ 35,000
Performing Financing Receivable | Modified During The Period
Troubled Debt Restructurings disclosures
Number of Loans | loan			494	597
Recorded Investment			$ 554,000	$ 512,000
Nonperforming Financing Receivable
Troubled Debt Restructurings disclosures
Number of Loans	2	1	15		16
Recorded Investment	$ 24,000	$ 50,000	$ 2,847,000		$ 3,209,000
Nonperforming Financing Receivable | Modified During The Period
Troubled Debt Restructurings disclosures
Number of Loans | loan			3	3
Recorded Investment			$ 51,000	$ 255,000
Residential Real Estate
Troubled Debt Restructurings disclosures
Number of Loans	5	5	139		152
Recorded Investment	$ 59,000	$ 292,000	$ 10,148,000		$ 11,035,000
Residential Real Estate | Rate reduction
Troubled Debt Restructurings disclosures
Number of Loans | loan			75		86
Recorded Investment			$ 6,868,000		$ 7,764,000
Residential Real Estate | Principal deferral
Troubled Debt Restructurings disclosures
Number of Loans | loan		1	7		7
Recorded Investment		$ 16,000	$ 715,000		$ 729,000
Residential Real Estate | Bankrupt customer
Troubled Debt Restructurings disclosures
Number of Loans	5	4	57		59
Recorded Investment	$ 59,000	$ 276,000	$ 2,565,000		$ 2,542,000
Residential Real Estate | Modified During The Period
Troubled Debt Restructurings disclosures
Number of Loans | loan			8	9
Recorded Investment			$ 528,000	$ 695,000
Residential Real Estate | Modified During The Period | Principal deferral
Troubled Debt Restructurings disclosures
Number of Loans | loan				1
Recorded Investment				$ 161,000
Residential Real Estate | Modified During The Period | Bankrupt customer
Troubled Debt Restructurings disclosures
Number of Loans | loan			8	8
Recorded Investment			$ 528,000	$ 534,000
Residential Real Estate | Performing Financing Receivable
Troubled Debt Restructurings disclosures
Number of Loans	3	4	125		137
Recorded Investment	$ 35,000	$ 242,000	$ 9,443,000		$ 10,290,000
Residential Real Estate | Performing Financing Receivable | Rate reduction
Troubled Debt Restructurings disclosures
Number of Loans | loan			71		82
Recorded Investment			$ 6,541,000		$ 7,461,000
Residential Real Estate | Performing Financing Receivable | Principal deferral
Troubled Debt Restructurings disclosures
Number of Loans | loan		1	6		7
Recorded Investment		$ 16,000	$ 558,000		$ 729,000
Residential Real Estate | Performing Financing Receivable | Bankrupt customer
Troubled Debt Restructurings disclosures
Number of Loans	3	3	48		48
Recorded Investment	$ 35,000	$ 226,000	$ 2,344,000		$ 2,100,000
Residential Real Estate | Performing Financing Receivable | Modified During The Period
Troubled Debt Restructurings disclosures
Number of Loans | loan			5	6
Recorded Investment			$ 477,000	$ 440,000
Residential Real Estate | Performing Financing Receivable | Modified During The Period | Principal deferral
Troubled Debt Restructurings disclosures
Number of Loans | loan				1
Recorded Investment				$ 161,000
Residential Real Estate | Performing Financing Receivable | Modified During The Period | Bankrupt customer
Troubled Debt Restructurings disclosures
Number of Loans | loan			5	5
Recorded Investment			$ 477,000	$ 279,000
Residential Real Estate | Nonperforming Financing Receivable
Troubled Debt Restructurings disclosures
Number of Loans	2	1	14		15
Recorded Investment	$ 24,000	$ 50,000	$ 705,000		$ 745,000
Residential Real Estate | Nonperforming Financing Receivable | Rate reduction
Troubled Debt Restructurings disclosures
Number of Loans | loan			4		4
Recorded Investment			$ 327,000		$ 303,000
Residential Real Estate | Nonperforming Financing Receivable | Principal deferral
Troubled Debt Restructurings disclosures
Number of Loans | loan			1
Recorded Investment			$ 157,000
Residential Real Estate | Nonperforming Financing Receivable | Bankrupt customer
Troubled Debt Restructurings disclosures
Number of Loans	2	1	9		11
Recorded Investment	$ 24,000	$ 50,000	$ 221,000		$ 442,000
Residential Real Estate | Nonperforming Financing Receivable | Modified During The Period
Troubled Debt Restructurings disclosures
Number of Loans | loan			3	3
Recorded Investment			$ 51,000	$ 255,000
Residential Real Estate | Nonperforming Financing Receivable | Modified During The Period | Bankrupt customer
Troubled Debt Restructurings disclosures
Number of Loans | loan			3	3
Recorded Investment			$ 51,000	$ 255,000
Commercial Real Estate
Troubled Debt Restructurings disclosures
Number of Loans | loan			2		4
Recorded Investment			$ 3,025,000		$ 3,814,000
Commercial related and construction/land development
Troubled Debt Restructurings disclosures
Number of Loans | loan			3		7
Recorded Investment			$ 3,026,000		$ 3,860,000
Commercial related and construction/land development | Rate reduction
Troubled Debt Restructurings disclosures
Number of Loans | loan			1		1
Recorded Investment			$ 883,000		$ 919,000
Commercial related and construction/land development | Principal deferral
Troubled Debt Restructurings disclosures
Number of Loans | loan			2		6
Recorded Investment			$ 2,143,000		$ 2,941,000
Commercial related and construction/land development | Performing Financing Receivable
Troubled Debt Restructurings disclosures
Number of Loans | loan			2		6
Recorded Investment			$ 884,000		$ 1,396,000
Commercial related and construction/land development | Performing Financing Receivable | Rate reduction
Troubled Debt Restructurings disclosures
Number of Loans | loan			1		1
Recorded Investment			$ 883,000		$ 919,000
Commercial related and construction/land development | Performing Financing Receivable | Principal deferral
Troubled Debt Restructurings disclosures
Number of Loans | loan			1		5
Recorded Investment			$ 1,000		$ 477,000
Commercial related and construction/land development | Nonperforming Financing Receivable
Troubled Debt Restructurings disclosures
Number of Loans | loan			1		1
Recorded Investment			$ 2,142,000		$ 2,464,000
Commercial related and construction/land development | Nonperforming Financing Receivable | Principal deferral
Troubled Debt Restructurings disclosures
Number of Loans | loan			1		1
Recorded Investment			$ 2,142,000		$ 2,464,000
Consumer
Troubled Debt Restructurings disclosures
Number of Loans	489	287	2,448		2,270
Recorded Investment	$ 77,000	$ 38,000	$ 438,000		$ 491,000
Consumer | Principal deferral
Troubled Debt Restructurings disclosures
Number of Loans	489	286	2,444		2,266
Recorded Investment	$ 77,000	$ 38,000	$ 420,000		$ 470,000
Consumer | Bankrupt customer
Troubled Debt Restructurings disclosures
Number of Loans | loan		1	4		4
Recorded Investment			$ 18,000		$ 21,000
Consumer | Modified During The Period
Troubled Debt Restructurings disclosures
Number of Loans | loan			489	591
Recorded Investment			$ 77,000	$ 72,000
Consumer | Modified During The Period | Principal deferral
Troubled Debt Restructurings disclosures
Number of Loans | loan			489	589
Recorded Investment			$ 77,000	$ 69,000
Consumer | Modified During The Period | Bankrupt customer
Troubled Debt Restructurings disclosures
Number of Loans | loan				2
Recorded Investment				$ 3,000
Consumer | Performing Financing Receivable
Troubled Debt Restructurings disclosures
Number of Loans	489	287	2,448		2,270
Recorded Investment	$ 77,000	$ 38,000	$ 438,000		$ 491,000
Consumer | Performing Financing Receivable | Principal deferral
Troubled Debt Restructurings disclosures
Number of Loans	489	286	2,444		2,266
Recorded Investment	$ 77,000	$ 38,000	$ 420,000		$ 470,000
Consumer | Performing Financing Receivable | Bankrupt customer
Troubled Debt Restructurings disclosures
Number of Loans | loan		1	4		4
Recorded Investment			$ 18,000		$ 21,000
Consumer | Performing Financing Receivable | Modified During The Period
Troubled Debt Restructurings disclosures
Number of Loans | loan			489	591
Recorded Investment			$ 77,000	$ 72,000
Consumer | Performing Financing Receivable | Modified During The Period | Principal deferral
Troubled Debt Restructurings disclosures
Number of Loans | loan			489	589
Recorded Investment			$ 77,000	$ 69,000
Consumer | Performing Financing Receivable | Modified During The Period | Bankrupt customer
Troubled Debt Restructurings disclosures
Number of Loans | loan				2
Recorded Investment				$ 3,000