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LOANS AND ALLOWANCE FOR CREDIT LOSSES - Troubled debt restructurings (TDRs) (Details) $ in Thousands | Jun. 30, 2022 USD ($) contract | Dec. 31, 2021 USD ($) contract
--- | --- | ---
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing Receivable, Modifications, Number of Contracts | contract | 44 | 64
Financing Receivable, Troubled Debt Restructuring | $ | $ 3,605 | $ 3,851
Construction and land development |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing Receivable, Modifications, Number of Contracts | contract | 1 | 1
Financing Receivable, Troubled Debt Restructuring | $ | $ 11 | $ 15
One- to four-family residential construction |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing Receivable, Modifications, Number of Contracts | contract | 17 | 22
Financing Receivable, Troubled Debt Restructuring | $ | $ 1,488 | $ 1,638
Commercial Real Estate |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing Receivable, Modifications, Number of Contracts | contract | 2 | 2
Financing Receivable, Troubled Debt Restructuring | $ | $ 1,821 | $ 1,811
Consumer |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing Receivable, Modifications, Number of Contracts | contract | 24 | 39
Financing Receivable, Troubled Debt Restructuring | $ | $ 285 | $ 387
Accruing |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing Receivable, Modifications, Number of Contracts | contract | 27 | 38
Financing Receivable, Troubled Debt Restructuring | $ | $ 1,152 | $ 1,002
Accruing | Construction and land development |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing Receivable, Modifications, Number of Contracts | contract | 1 | 1
Financing Receivable, Troubled Debt Restructuring | $ | $ 11 | $ 15
Accruing | One- to four-family residential construction |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing Receivable, Modifications, Number of Contracts | contract | 11 | 10
Financing Receivable, Troubled Debt Restructuring | $ | $ 899 | $ 579
Accruing | Commercial Real Estate |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing Receivable, Modifications, Number of Contracts | contract |  | 1
Financing Receivable, Troubled Debt Restructuring | $ |  | $ 85
Accruing | Consumer |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing Receivable, Modifications, Number of Contracts | contract | 15 | 26
Financing Receivable, Troubled Debt Restructuring | $ | $ 242 | $ 323
Non-accruing |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing Receivable, Modifications, Number of Contracts | contract | 17 | 26
Financing Receivable, Troubled Debt Restructuring | $ | $ 2,453 | $ 2,849
Non-accruing | One- to four-family residential construction |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing Receivable, Modifications, Number of Contracts | contract | 6 | 12
Financing Receivable, Troubled Debt Restructuring | $ | $ 589 | $ 1,059
Non-accruing | Commercial Real Estate |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing Receivable, Modifications, Number of Contracts | contract | 2 | 1
Financing Receivable, Troubled Debt Restructuring | $ | $ 1,821 | $ 1,726
Non-accruing | Consumer |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing Receivable, Modifications, Number of Contracts | contract | 9 | 13
Financing Receivable, Troubled Debt Restructuring | $ | $ 43 | $ 64

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