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FAIR VALUE MEASUREMENTS - Measured on Non-recurring Basis (Details) - Non-recurring - USD ($) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2021 | Sep. 30, 2021 | Dec. 31, 2020
Assets |  |  |
Liabilities measured at fair value | $ 0 | $ 0 | $ 0
Level 3 |  |  |
Assets |  |  |
Individually evaluated loans | 9,247,000 | 9,247,000 | 8,746,000
Capitalized servicing rights | 4,867,000 | 4,867,000 | 3,605,000
Premises held for sale | 822,000 | 822,000 | 962,000
Total | 14,936,000 | 14,936,000 | 13,313,000
Total Gains (Losses) | 720,000 | (1,623,000) |
Level 3 | Impaired loans |  |  |
Assets |  |  |
Total Gains (Losses) | 707,000 | (501,000) |
Level 3 | Capitalized servicing rights |  |  |
Assets |  |  |
Total Gains (Losses) | (136,000) | (1,262,000) |
Level 3 | Assets held for sale |  |  |
Assets |  |  |
Premises held for sale | 822,000 | 822,000 | $ 962,000
Total Gains (Losses) | $ 149,000 | $ 140,000 |

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