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RECENT ACCOUNTING PRONOUNCEMENTS (Details) - USD ($) | Jan. 01, 2021 | Sep. 30, 2021 | Dec. 31, 2020 | Sep. 30, 2020 | Dec. 31, 2019
--- | --- | --- | --- | --- | ---
RECENT ACCOUNTING PRONOUNCEMENTS |  |  |  |  |
Allowance for loan losses |  | $ 2,790,000 | $ 1,476,000 |  |
Reserve for unfunded commitments |  | 456,000 | 33,000 | $ 29,000 | $ 37,000
Total allowance for credit losses |  |  | 1,509,000 |  |
ASU 2016-13 |  |  |  |  |
RECENT ACCOUNTING PRONOUNCEMENTS |  |  |  |  |
Reserve for unfunded commitments |  | $ 457,000 |  | $ (8,000) |
Adjustment | ASU 2016-13 |  |  |  |  |
RECENT ACCOUNTING PRONOUNCEMENTS |  |  |  |  |
Allowance for loan losses | $ 1,574,000 |  |  |  |
Reserve for unfunded commitments | 457,000 |  |  |  |
Total allowance for credit losses | 2,031,000 |  |  |  |
Adjusted balance | ASU 2016-13 |  |  |  |  |
RECENT ACCOUNTING PRONOUNCEMENTS |  |  |  |  |
Allowance for loan losses | 3,050,000 |  |  |  |
Reserve for unfunded commitments | 490,000 |  |  |  |
Total allowance for credit losses | 3,540,000 |  |  |  |
Real Estate Loan |  |  |  |  |
RECENT ACCOUNTING PRONOUNCEMENTS |  |  |  |  |
Allowance for loan losses |  |  | 781,000 |  |
Real Estate Loan | Adjustment | ASU 2016-13 |  |  |  |  |
RECENT ACCOUNTING PRONOUNCEMENTS |  |  |  |  |
Allowance for loan losses | 1,141,000 |  |  |  |
Real Estate Loan | Adjusted balance | ASU 2016-13 |  |  |  |  |
RECENT ACCOUNTING PRONOUNCEMENTS |  |  |  |  |
Allowance for loan losses | 1,922,000 |  |  |  |
Real Estate Loan | Construction And Land Development [Member] |  |  |  |  |
RECENT ACCOUNTING PRONOUNCEMENTS |  |  |  |  |
Allowance for loan losses |  |  | 10,000 |  |
Real Estate Loan | Construction And Land Development [Member] | Adjustment | ASU 2016-13 |  |  |  |  |
RECENT ACCOUNTING PRONOUNCEMENTS |  |  |  |  |
Allowance for loan losses | 16,000 |  |  |  |
Real Estate Loan | Construction And Land Development [Member] | Adjusted balance | ASU 2016-13 |  |  |  |  |
RECENT ACCOUNTING PRONOUNCEMENTS |  |  |  |  |
Allowance for loan losses | 26,000 |  |  |  |
Real Estate Loan | Farmland |  |  |  |  |
RECENT ACCOUNTING PRONOUNCEMENTS |  |  |  |  |
Allowance for loan losses |  |  | 2,000 |  |
Real Estate Loan | Farmland | Adjustment | ASU 2016-13 |  |  |  |  |
RECENT ACCOUNTING PRONOUNCEMENTS |  |  |  |  |
Allowance for loan losses | 9,000 |  |  |  |
Real Estate Loan | Farmland | Adjusted balance | ASU 2016-13 |  |  |  |  |
RECENT ACCOUNTING PRONOUNCEMENTS |  |  |  |  |
Allowance for loan losses | 11,000 |  |  |  |
Real Estate Loan | Single-family |  |  |  |  |
RECENT ACCOUNTING PRONOUNCEMENTS |  |  |  |  |
Allowance for loan losses |  |  | 512,000 |  |
Real Estate Loan | Single-family | Adjustment | ASU 2016-13 |  |  |  |  |
RECENT ACCOUNTING PRONOUNCEMENTS |  |  |  |  |
Allowance for loan losses | 854,000 |  |  |  |
Real Estate Loan | Single-family | Adjusted balance | ASU 2016-13 |  |  |  |  |
RECENT ACCOUNTING PRONOUNCEMENTS |  |  |  |  |
Allowance for loan losses | 1,366,000 |  |  |  |
Real Estate Loan | Multi-family |  |  |  |  |
RECENT ACCOUNTING PRONOUNCEMENTS |  |  |  |  |
Allowance for loan losses |  |  | 39,000 |  |
Real Estate Loan | Multi-family | Adjustment | ASU 2016-13 |  |  |  |  |
RECENT ACCOUNTING PRONOUNCEMENTS |  |  |  |  |
Allowance for loan losses | 63,000 |  |  |  |
Real Estate Loan | Multi-family | Adjusted balance | ASU 2016-13 |  |  |  |  |
RECENT ACCOUNTING PRONOUNCEMENTS |  |  |  |  |
Allowance for loan losses | 102,000 |  |  |  |
Real Estate Loan | Commercial |  |  |  |  |
RECENT ACCOUNTING PRONOUNCEMENTS |  |  |  |  |
Allowance for loan losses |  |  | 218,000 |  |
Real Estate Loan | Commercial | Adjustment | ASU 2016-13 |  |  |  |  |
RECENT ACCOUNTING PRONOUNCEMENTS |  |  |  |  |
Allowance for loan losses | 199,000 |  |  |  |
Real Estate Loan | Commercial | Adjusted balance | ASU 2016-13 |  |  |  |  |
RECENT ACCOUNTING PRONOUNCEMENTS |  |  |  |  |
Allowance for loan losses | 417,000 |  |  |  |
Commercial and Industrial |  |  |  |  |
RECENT ACCOUNTING PRONOUNCEMENTS |  |  |  |  |
Allowance for loan losses |  |  | 115,000 |  |
Commercial and Industrial | Adjustment | ASU 2016-13 |  |  |  |  |
RECENT ACCOUNTING PRONOUNCEMENTS |  |  |  |  |
Allowance for loan losses | 114,000 |  |  |  |
Commercial and Industrial | Adjusted balance | ASU 2016-13 |  |  |  |  |
RECENT ACCOUNTING PRONOUNCEMENTS |  |  |  |  |
Allowance for loan losses | 229,000 |  |  |  |
Commercial and Industrial | Commercial and industrial |  |  |  |  |
RECENT ACCOUNTING PRONOUNCEMENTS |  |  |  |  |
Allowance for loan losses |  |  | 67,000 |  |
Commercial and Industrial | Commercial and industrial | Adjustment | ASU 2016-13 |  |  |  |  |
RECENT ACCOUNTING PRONOUNCEMENTS |  |  |  |  |
Allowance for loan losses | 120,000 |  |  |  |
Commercial and Industrial | Commercial and industrial | Adjusted balance | ASU 2016-13 |  |  |  |  |
RECENT ACCOUNTING PRONOUNCEMENTS |  |  |  |  |
Allowance for loan losses | 187,000 |  |  |  |
Commercial and Industrial | SBA Guaranty |  |  |  |  |
RECENT ACCOUNTING PRONOUNCEMENTS |  |  |  |  |
Allowance for loan losses |  |  | 48,000 |  |
Commercial and Industrial | SBA Guaranty | Adjustment | ASU 2016-13 |  |  |  |  |
RECENT ACCOUNTING PRONOUNCEMENTS |  |  |  |  |
Allowance for loan losses | (6,000) |  |  |  |
Commercial and Industrial | SBA Guaranty | Adjusted balance | ASU 2016-13 |  |  |  |  |
RECENT ACCOUNTING PRONOUNCEMENTS |  |  |  |  |
Allowance for loan losses | 42,000 |  |  |  |
Consumer Loans |  |  |  |  |
RECENT ACCOUNTING PRONOUNCEMENTS |  |  |  |  |
Allowance for loan losses |  |  | 580,000 |  |
Consumer Loans | Adjustment | ASU 2016-13 |  |  |  |  |
RECENT ACCOUNTING PRONOUNCEMENTS |  |  |  |  |
Allowance for loan losses | 319,000 |  |  |  |
Consumer Loans | Adjusted balance | ASU 2016-13 |  |  |  |  |
RECENT ACCOUNTING PRONOUNCEMENTS |  |  |  |  |
Allowance for loan losses | 899,000 |  |  |  |
Consumer Loans | Consumer and Indirect |  |  |  |  |
RECENT ACCOUNTING PRONOUNCEMENTS |  |  |  |  |
Allowance for loan losses |  |  | 11,000 |  |
Consumer Loans | Consumer and Indirect | Adjustment | ASU 2016-13 |  |  |  |  |
RECENT ACCOUNTING PRONOUNCEMENTS |  |  |  |  |
Allowance for loan losses | 46,000 |  |  |  |
Consumer Loans | Consumer and Indirect | Adjusted balance | ASU 2016-13 |  |  |  |  |
RECENT ACCOUNTING PRONOUNCEMENTS |  |  |  |  |
Allowance for loan losses | 57,000 |  |  |  |
Consumer Loans | Automobile |  |  |  |  |
RECENT ACCOUNTING PRONOUNCEMENTS |  |  |  |  |
Allowance for loan losses |  |  | $ 569,000 |  |
Consumer Loans | Automobile | Adjustment | ASU 2016-13 |  |  |  |  |
RECENT ACCOUNTING PRONOUNCEMENTS |  |  |  |  |
Allowance for loan losses | 273,000 |  |  |  |
Consumer Loans | Automobile | Adjusted balance | ASU 2016-13 |  |  |  |  |
RECENT ACCOUNTING PRONOUNCEMENTS |  |  |  |  |
Allowance for loan losses | 842,000 |  |  |  |
Retained Earnings [Member] | Adjustment | ASU 2016-13 |  |  |  |  |
RECENT ACCOUNTING PRONOUNCEMENTS |  |  |  |  |
Total allowance for credit losses | 2,031,000 |  |  |  |
Allowance for credit losses, tax effect | (559,000) |  |  |  |
Allowance for credit losses net of tax | $ 1,472,000 |  |  |  |

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