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LOANS, ALLOWANCE FOR LOAN LOSSES AND IMPAIRED LOANS - Loans by Loan Segment (Details) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Mar. 31, 2021 USD ($) contract | Mar. 31, 2020 USD ($) contract | Jun. 30, 2020 TDR | Dec. 31, 2020 USD ($)
Troubled Debt Restructuring |  |  |  |
Number of Modifications | 6 | 6 | 0 |
Recorded Investment | $ | $ 17,442 |  |  | $ 18,477
Commercial/agriculture real estate |  |  |  |
Troubled Debt Restructuring |  |  |  |
Number of Modifications | 2 | 3 |  |
C&I/Agricultural operating |  |  |  |
Troubled Debt Restructuring |  |  |  |
Number of Modifications | 1 | 0 |  |
Residential mortgage |  |  |  |
Troubled Debt Restructuring |  |  |  |
Number of Modifications | 2 | 1 |  |
Consumer installment |  |  |  |
Troubled Debt Restructuring |  |  |  |
Number of Modifications | 1 | 2 |  |
Originated Loans |  |  |  |
Troubled Debt Restructuring |  |  |  |
Number of Modifications | 105 | 92 |  |
Recorded Investment | $ | $ 17,442 | $ 12,088 |  |
Originated Loans | Commercial/agriculture real estate |  |  |  |
Troubled Debt Restructuring |  |  |  |
Number of Modifications | 30 | 28 |  |
Recorded Investment | $ | $ 8,656 | $ 6,415 |  |
Originated Loans | C&I/Agricultural operating |  |  |  |
Troubled Debt Restructuring |  |  |  |
Number of Modifications | 14 | 14 |  |
Recorded Investment | $ | $ 4,800 | $ 2,065 |  |
Originated Loans | Residential mortgage |  |  |  |
Troubled Debt Restructuring |  |  |  |
Number of Modifications | 52 | 42 |  |
Recorded Investment | $ | $ 3,937 | $ 3,539 |  |
Originated Loans | Consumer installment |  |  |  |
Troubled Debt Restructuring |  |  |  |
Number of Modifications | 9 | 8 |  |
Recorded Investment | $ | $ 49 | $ 69 |  |

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