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LOANS RECEIVABLE AND THE ALLOWANCE FOR CREDIT LOSSES (Collateral Secured) (Details) - USD ($) $ in Thousands | Sep. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Collateral Dependent Loans, Amortized Cost | $ 15,797 | $ 19,609
Real Estate Loan [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Collateral Dependent Loans, Amortized Cost | 14,444 | 18,578
Accounts Receivable [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Collateral Dependent Loans, Amortized Cost | 659 | 0
Equipment [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Collateral Dependent Loans, Amortized Cost | 694 | 1,031
Owner-occupied |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Collateral Dependent Loans, Amortized Cost | 3,949 | 7,506
Owner-occupied | Real Estate Loan [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Collateral Dependent Loans, Amortized Cost | 3,949 | 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
Commercial real estate - investment properties |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Collateral Dependent Loans, Amortized Cost | 7,468 | 8,979
Commercial real estate - investment properties | Real Estate Loan [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Collateral Dependent Loans, Amortized Cost | 7,468 | 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
Small balance CRE |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Collateral Dependent Loans, Amortized Cost | 2,452 | 567
Small balance CRE | Real Estate Loan [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Collateral Dependent Loans, Amortized Cost | 2,452 | 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
Land and land development—residential |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Collateral Dependent Loans, Amortized Cost |  | 302
Land and land development—residential | Real Estate Loan [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Collateral Dependent Loans, Amortized Cost |  | 302
Land and land development—residential | Accounts Receivable [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Collateral Dependent Loans, Amortized Cost |  | 0
Land and land development—residential | Equipment [Member] |  |
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 | 822 | 557
Commercial Business | Real Estate Loan [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Collateral Dependent Loans, Amortized Cost | 107 | 557
Commercial Business | Accounts Receivable [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Collateral Dependent Loans, Amortized Cost | 659 | 0
Commercial Business | Equipment [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Collateral Dependent Loans, Amortized Cost | 56 | 0
Small business scored |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Collateral Dependent Loans, Amortized Cost | 85 | 91
Small business scored | Real Estate Loan [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Collateral Dependent Loans, Amortized Cost | 41 | 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 | 44 | 47
Agricultural Business |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Collateral Dependent Loans, Amortized Cost | 1,021 | 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 | $ 594 | 984
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

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