LOANS AND THE ALLOWANCE FOR LOAN LOSSES - Summary of unpaid principal balance of loans classified as TDRs (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2021 USD ($) loan	Dec. 31, 2020 USD ($) loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Recorded Investment	$ 4,262	$ 4,058
Allowance for loan associated with TDR	(1,753)	(1,621)
Net recorded investment	2,564	1,958
Additional funds to loans classified as TDRs	$ 0	$ 0
Number of loans classified as TDRs | loan	3	1
Recorded investments	$ 4,300	$ 3,600
Interest only payment period for modified loans	6 months
Cash, Securities and Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Recorded Investment	$ 8	50
Allowance for loan associated with TDR	(2)	(2)
1-4 Family Residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Recorded Investment	75
Owner Occupied CRE
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Recorded Investment	1,241	479
Commercial. and Industrial.
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Recorded Investment	2,938	3,529
Allowance for loan associated with TDR	(1,751)	(1,619)
Allowance for loan losses associated with TDR	(1,751)
Small Mortgage Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded investments	100
Commercial and Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded investments	1,200
Commercial Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded investments	700
Accrual Loans | Non-Owner Occupied CRE
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans classified as TDRs	55
Loans on nonaccrual status
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans classified as TDRs	4,315
Total Recorded Investment		3,577
Loans on nonaccrual status | Cash, Securities and Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans classified as TDRs	6
Total Recorded Investment		48
Loans on nonaccrual status | 1-4 Family Residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans classified as TDRs	75
Loans on nonaccrual status | Owner Occupied CRE
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans classified as TDRs	1,241
Loans on nonaccrual status | Commercial. and Industrial.
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans classified as TDRs	$ 2,938
Total Recorded Investment		$ 3,529