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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Narrative) (Details) $ in Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Sep. 30, 2022 segment | Dec. 31, 2022 USD ($) segment | Jun. 30, 2022 segment | Dec. 31, 2023 USD ($) item segment | Dec. 31, 2021 USD ($)
Accounting Policies [Line Items] |  |  |  |  |
Number of operating segments | segment | 2 | 2 | 1 | 2 |
Number of loan portfolio segments | segment |  |  |  | 2 |
Accruals for uncertain tax positions |  | $ 0 |  | $ 0 | $ 0
Impairment charges for goodwill |  |  |  | 0 |
Goodwill |  | $ 925,211 |  | $ 925,211 |
Debt security, duration to be placed in nonaccrual status |  |  |  | 90 days |
ALLL, reasonable and supportable forecast period |  |  |  | 2 years |
Commercial and consumer loans on nonaccrual status, period |  |  |  | 90 days |
Minimum |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |
Intangible assets, amortization period (years) |  |  |  | 4 years |
Period past due to change TDR status |  |  |  | 30 days |
Estimated useful life of bank premises |  |  |  | 3 years |
Percentage of fair value of the derivative instruments for the hedge to be highly effective |  |  |  | 80.00% |
Number of market participants contributing to validation of third party valuations | item |  |  |  | 4,000 |
Maximum |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |
Intangible assets, amortization period (years) |  |  |  | 10 years |
Estimated useful life of bank premises |  |  |  | 40 years |
Percentage of fair value of the derivative instruments for the hedge to be highly effective |  |  |  | 125.00% |
Non-real Estate Secured Loans [Member] |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |
Consumer loans, period for past due status |  |  |  | 120 days |
Real Estate Secured Loans [Member] |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |
Consumer loans, period for past due status |  |  |  | 180 days |

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