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LOANS RECEIVABLE AND THE ALLOWANCE FOR CREDIT LOSSES (Collateral Secured) (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	$ 22,419	$ 19,609
Real Estate Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	21,369	18,578
Accounts Receivable [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	0	0
Equipment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	1,050	1,031
Inventories
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	0	0
Owner-occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	4,684	7,506
Owner-occupied | Real Estate Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	4,684	7,506
Owner-occupied | Accounts Receivable [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	0	0
Owner-occupied | Equipment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	0	0
Owner-occupied | Inventories
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	0	0
Commercial real estate - investment properties
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	12,568	8,979
Commercial real estate - investment properties | Real Estate Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	12,568	8,979
Commercial real estate - investment properties | Accounts Receivable [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	0	0
Commercial real estate - investment properties | Equipment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	0	0
Commercial real estate - investment properties | Inventories
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	0	0
Small balance CRE
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	3,090	567
Small balance CRE | Real Estate Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	3,090	567
Small balance CRE | Accounts Receivable [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	0	0
Small balance CRE | Equipment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	0	0
Small balance CRE | Inventories
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	0	0
Residential Land and Land Development [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost		302
Residential Land and Land Development [Member] | Real Estate Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost		302
Residential Land and Land Development [Member] | Accounts Receivable [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost		0
Residential Land and Land Development [Member] | Equipment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost		0
Residential Land and Land Development [Member] | Inventories
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost		0
Commercial Business
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	630	557
Commercial Business | Real Estate Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	557	557
Commercial Business | Accounts Receivable [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	0	0
Commercial Business | Equipment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	73	0
Commercial Business | Inventories
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	0	0
Small business scored
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	90	91
Small business scored | Real Estate Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	43	44
Small business scored | Accounts Receivable [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	0	0
Small business scored | Equipment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	47	47
Small business scored | Inventories
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	0	0
Agricultural Business
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	1,357	1,411
Agricultural Business | Real Estate Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	427	427
Agricultural Business | Accounts Receivable [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	0	0
Agricultural Business | Equipment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	930	984
Agricultural Business | Inventories
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	$ 0	0
One- to Four-Family Residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost		196
One- to Four-Family Residential | Real Estate Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost		196
One- to Four-Family Residential | Accounts Receivable [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost		0
One- to Four-Family Residential | Equipment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost		0
One- to Four-Family Residential | Inventories
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost		$ 0

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