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RECENT ACCOUNTING PRONOUNCEMENTS (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | ---
Sep. 30, 2020 | Sep. 30, 2019 | Sep. 30, 2020 | Sep. 30, 2019 | Dec. 31, 2019 | Jun. 30, 2020 | Jun. 30, 2019 | Dec. 31, 2018
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |
Allowance for credit losses | $ 36,414 | $ 25,688 | $ 36,414 | $ 25,688 | $ 25,171 | $ 35,539 | $ 26,163 | $ 24,712
Provision for credit losses | 987 | $ 730 | 12,160 | $ 2,647 | 2,861 |  |  |
Minimum | ASU 2016-13 |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |
Allowance for credit losses | $ 39,000 |  | $ 39,000 |  | $ 27,000 |  |  |
ACL Percentage of Total Loans | 1.19% |  | 1.19% |  | 0.87% |  |  |
Provision for credit losses |  |  | $ 9,000 |  |  |  |  |
Maximum | ASU 2016-13 |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |
Allowance for credit losses | $ 43,000 |  | $ 43,000 |  | $ 31,000 |  |  |
ACL Percentage of Total Loans | 1.31% |  | 1.31% |  | 1.00% |  |  |
Provision for credit losses |  |  | $ 17,000 |  |  |  |  |

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