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LOANS AND ALLOWANCE FOR CREDIT LOSSES - Impaired Financing Receivables (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Sep. 30, 2020 | Sep. 30, 2020 | Dec. 31, 2020 | Sep. 30, 2021
Loans Receivable |  |  |  |
Recorded Balance | $ 8,765 | $ 8,765 | $ 9,048 |
Unpaid Principal Balance | 8,939 | 8,939 | 10,109 | $ 8,062
Specific Allowance | 746 | 746 | 713 | 1,461
Average Investment in Impaired Loans | 9,512 | 10,084 | 9,739 |
Interest Income Recognized | 140 | 401 | 533 |
Commercial Real Estate |  |  |  |
Recorded Balance | 3,056 | 3,056 | 3,438 |
Unpaid Principal Balance | 3,056 | 3,056 | 3,472 |
Specific Allowance | 466 | 466 | 445 |
Average Investment in Impaired Loans | 3,829 | 3,946 | 3,736 |
Interest Income Recognized | 30 | 97 | 135 |
Commercial Real Estate | Loans Receivable |  |  |  |
Unpaid Principal Balance |  |  |  | 4,481
Specific Allowance |  |  |  | 1,440
Consumer auto |  |  |  |
Recorded Balance | 1,024 | 1,024 | 865 |
Unpaid Principal Balance | 1,040 | 1,040 | 964 |
Specific Allowance | 166 | 166 | 140 |
Average Investment in Impaired Loans | 889 | 945 | 932 |
Interest Income Recognized | 37 | 77 | 91 |
Home Equity Line of Credit |  |  |  |
Recorded Balance | 553 | 553 | 630 |
Unpaid Principal Balance | 558 | 558 | 668 |
Specific Allowance | 4 | 4 | 5 |
Average Investment in Impaired Loans | 528 | 535 | 550 |
Interest Income Recognized | 7 | 26 | 36 |
Home Equity Line of Credit | Loans Receivable |  |  |  |
Unpaid Principal Balance |  |  |  | 381
Land development | Loans Receivable |  |  |  |
Unpaid Principal Balance |  |  |  | 468
Subdivision construction |  |  |  |
Recorded Balance | 22 | 22 | 20 |
Unpaid Principal Balance | 22 | 22 | 20 |
Average Investment in Impaired Loans | 22 | 147 | 115 |
Interest Income Recognized |  | 3 | 3 |
Owner occupied one- to four-family residential |  |  |  |
Recorded Balance | 3,342 | 3,342 | 3,457 |
Unpaid Principal Balance | 3,460 | 3,460 | 3,776 |
Specific Allowance | 78 | 78 | 90 |
Average Investment in Impaired Loans | 3,146 | 2,850 | 2,999 |
Interest Income Recognized | 44 | 124 | 169 |
Owner occupied one- to four-family residential | Loans Receivable |  |  |  |
Unpaid Principal Balance |  |  |  | 2,732
Specific Allowance |  |  |  | $ 21
Non-owner occupied one- to four-family residential |  |  |  |
Recorded Balance | 238 | 238 | 69 |
Unpaid Principal Balance | 238 | 238 | 106 |
Average Investment in Impaired Loans | 267 | 372 | 309 |
Interest Income Recognized |  | 11 | 18 |
Commercial business |  |  |  |
Recorded Balance | 197 | 197 | 166 |
Unpaid Principal Balance | 210 | 210 | 551 |
Specific Allowance | 15 | 15 | 14 |
Average Investment in Impaired Loans | 538 | 1,008 | 800 |
Interest Income Recognized | 5 | 30 | 34 |
Consumer |  |  |  |
Recorded Balance | 333 | 333 | 403 |
Unpaid Principal Balance | 355 | 355 | 552 |
Specific Allowance | 17 | 17 | 19 |
Average Investment in Impaired Loans | 293 | 281 | 298 |
Interest Income Recognized | $ 17 | $ 33 | $ 47 |

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