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BUSINESS COMBINATIONS - Covenant Acquisition (Details) - USD ($) |  | 3 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Jul. 01, 2020 | Dec. 31, 2020 | Sep. 30, 2020 | Dec. 31, 2019 | Dec. 31, 2018
BUSINESS COMBINATIONS |  |  |  |  |
Goodwill |  | $ 52,505,000 |  | $ 28,388,000 | $ 11,942,000
Covenant Financial Inc. |  |  |  |  |
BUSINESS COMBINATIONS |  |  |  |  |
Total purchase consideration | $ 63,266,000 |  |  |  |
Cash paid | $ 21,654,000 |  |  |  |
Consideration in shares of commons stock (in shares) | 2,047,819 |  |  |  |
Common equity issued in business combination | $ 41,612,000 |  |  |  |
Refinement term of assets and liabilities | 1 year |  |  |  |
Equity portion of business acquisition consideration issuance costs | $ 183,000 |  |  |  |
Fair value of assets acquired |  | 608,485,000 |  |  |
Fair value of liabilities assumed |  | 569,336,000 |  |  |
Goodwill | $ 24,117,000 | 24,117,000 | $ 24,138,000 |  |
Purchase accounting goodwill adjustments |  | $ 21,000 |  |  |

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