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LOANS AND ALLOWANCE FOR LOAN LOSSES (Temporary Loan Modifications) (Details) $ in Thousands | Jul. 23, 2020 USD ($) loan | Jun. 30, 2020 USD ($) loan
--- | --- | ---
Loans and Leases Receivable Disclosure [Line Items] |  |
Original COVID-Related Loan Modification, Number Of Contracts | loan |  | 1,481
Original COVID-Related Loan Modification, Recorded Investment | $ |  | $ 511,671
Second COVID-Related Loan Modification, Number Of Contracts | loan |  | 282
Second COVID-Related Loan Modification, Recorded Investment | $ |  | $ 35,051
Temporary Loan Modification, Number of Contracts | loan |  | 1,763
Temporary Loan Modification, Recorded Investment | $ |  | $ 546,722
Commercial Portfolio Segment [Member] |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Original COVID-Related Loan Modification, Number Of Contracts | loan |  | 992
Original COVID-Related Loan Modification, Recorded Investment | $ |  | $ 410,298
Second COVID-Related Loan Modification, Number Of Contracts | loan |  | 31
Second COVID-Related Loan Modification, Recorded Investment | $ |  | $ 5,308
Retail Portfolio Segment [Member] |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Original COVID-Related Loan Modification, Number Of Contracts | loan |  | 489
Original COVID-Related Loan Modification, Recorded Investment | $ |  | $ 101,373
Second COVID-Related Loan Modification, Number Of Contracts | loan |  | 251
Second COVID-Related Loan Modification, Recorded Investment | $ |  | $ 29,743
Subsequent Event [Member] |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Original COVID-Related Loan Modification, Number Of Contracts | loan | 732 |
Original COVID-Related Loan Modification, Recorded Investment | $ | $ 282,899 |
Second COVID-Related Loan Modification, Number Of Contracts | loan | 469 |
Second COVID-Related Loan Modification, Recorded Investment | $ | $ 68,080 |
Temporary Loan Modification, Number of Contracts | loan | 1,201 |
Temporary Loan Modification, Recorded Investment | $ | $ 350,979 |
Subsequent Event [Member] | Commercial Portfolio Segment [Member] |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Original COVID-Related Loan Modification, Number Of Contracts | loan | 544 |
Original COVID-Related Loan Modification, Recorded Investment | $ | $ 242,272 |
Second COVID-Related Loan Modification, Number Of Contracts | loan | 57 |
Second COVID-Related Loan Modification, Recorded Investment | $ | $ 15,041 |
Subsequent Event [Member] | Retail Portfolio Segment [Member] |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Original COVID-Related Loan Modification, Number Of Contracts | loan | 188 |
Original COVID-Related Loan Modification, Recorded Investment | $ | $ 40,627 |
Second COVID-Related Loan Modification, Number Of Contracts | loan | 412 |
Second COVID-Related Loan Modification, Recorded Investment | $ | $ 53,039 |

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