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LOANS AND ALLOWANCE FOR CREDIT LOSSES - Impaired Financing Receivables (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Mar. 31, 2020 | Dec. 31, 2020 | Mar. 31, 2021
Loans Receivable |  |  |
Impaired Financing Receivable, Recorded Investment | $ 10,802 | $ 9,048 |
Impaired Financing Receivable, Unpaid Principal Balance | 12,226 | 10,109 | $ 10,902
Impaired Financing Receivable, Related Allowance | 890 | 713 | 2,057
Impaired Financing Receivable, Average Recorded Investment | 10,529 | 9,739 |
Impaired Financing Receivable Interest Income Recognized | 148 | 533 |
Commercial Real Estate |  |  |
Impaired Financing Receivable, Recorded Investment | 4,109 | 3,438 |
Impaired Financing Receivable, Unpaid Principal Balance | 4,143 | 3,472 |
Impaired Financing Receivable, Related Allowance | 506 | 445 |
Impaired Financing Receivable, Average Recorded Investment | 4,122 | 3,736 |
Impaired Financing Receivable Interest Income Recognized | 30 | 135 |
Commercial Real Estate | Loans Receivable |  |  |
Impaired Financing Receivable, Unpaid Principal Balance |  |  | 5,752
Impaired Financing Receivable, Related Allowance |  |  | 1,617
Consumer auto |  |  |
Impaired Financing Receivable, Recorded Investment | 1,030 | 865 |
Impaired Financing Receivable, Unpaid Principal Balance | 1,253 | 964 |
Impaired Financing Receivable, Related Allowance | 167 | 140 |
Impaired Financing Receivable, Average Recorded Investment | 1,078 | 932 |
Impaired Financing Receivable Interest Income Recognized | 26 | 91 |
Home Equity Line of Credit |  |  |
Impaired Financing Receivable, Recorded Investment | 475 | 630 |
Impaired Financing Receivable, Unpaid Principal Balance | 499 | 668 |
Impaired Financing Receivable, Related Allowance | 4 | 5 |
Impaired Financing Receivable, Average Recorded Investment | 577 | 550 |
Impaired Financing Receivable Interest Income Recognized | 12 | 36 |
Home Equity Line of Credit | Loans Receivable |  |  |
Impaired Financing Receivable, Unpaid Principal Balance |  |  | 393
Land development | Loans Receivable |  |  |
Impaired Financing Receivable, Unpaid Principal Balance |  |  | 622
Impaired Financing Receivable, Related Allowance |  |  | 367
Subdivision construction |  |  |
Impaired Financing Receivable, Recorded Investment | 246 | 20 |
Impaired Financing Receivable, Unpaid Principal Balance | 246 | 20 |
Impaired Financing Receivable, Related Allowance | 93 |  |
Impaired Financing Receivable, Average Recorded Investment | 247 | 115 |
Impaired Financing Receivable Interest Income Recognized | 2 | 3 |
Owner occupied one- to four-family residential |  |  |
Impaired Financing Receivable, Recorded Investment | 2,929 | 3,457 |
Impaired Financing Receivable, Unpaid Principal Balance | 3,214 | 3,776 |
Impaired Financing Receivable, Related Allowance | 79 | 90 |
Impaired Financing Receivable, Average Recorded Investment | 2,522 | 2,999 |
Impaired Financing Receivable Interest Income Recognized | 46 | 169 |
Owner occupied one- to four-family residential | Loans Receivable |  |  |
Impaired Financing Receivable, Unpaid Principal Balance |  |  | 3,950
Impaired Financing Receivable, Related Allowance |  |  | 73
Non-owner occupied one- to four-family residential |  |  |
Impaired Financing Receivable, Recorded Investment | 494 | 69 |
Impaired Financing Receivable, Unpaid Principal Balance | 694 | 106 |
Impaired Financing Receivable, Related Allowance | 18 |  |
Impaired Financing Receivable, Average Recorded Investment | 433 | 309 |
Impaired Financing Receivable Interest Income Recognized | 6 | 18 |
Other residential | Loans Receivable |  |  |
Impaired Financing Receivable, Unpaid Principal Balance |  |  | $ 185
Commercial business |  |  |
Impaired Financing Receivable, Recorded Investment | 1,238 | 166 |
Impaired Financing Receivable, Unpaid Principal Balance | 1,736 | 551 |
Impaired Financing Receivable, Related Allowance | 10 | 14 |
Impaired Financing Receivable, Average Recorded Investment | 1,263 | 800 |
Impaired Financing Receivable Interest Income Recognized | 16 | 34 |
Consumer |  |  |
Impaired Financing Receivable, Recorded Investment | 281 | 403 |
Impaired Financing Receivable, Unpaid Principal Balance | 441 | 552 |
Impaired Financing Receivable, Related Allowance | 13 | 19 |
Impaired Financing Receivable, Average Recorded Investment | 287 | 298 |
Impaired Financing Receivable Interest Income Recognized | $ 10 | $ 47 |

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