ACCOUNTING POLICIES - The Company and Business Combinations and Divestitures Narrative (Details) $ in Millions |
9 Months Ended | |||
|---|---|---|---|---|
|
Jun. 29, 2018
USD ($)
shares
|
Sep. 30, 2018
USD ($)
ATM
branch
|
Jul. 01, 2018
USD ($)
|
Apr. 01, 2018
USD ($)
|
|
| Business Acquisition [Line Items] | ||||
| Number of branches | branch | 140 | |||
| Number of ATM's | ATM | 190 | |||
| Carrying value of assets managed | $ 400.0 | |||
| Loans sold | $ 206.3 | |||
| DHFB | ||||
| Business Acquisition [Line Items] | ||||
| Carrying value of assets managed | $ 600.0 | |||
| Outfitter Advisors Ltd. | ||||
| Business Acquisition [Line Items] | ||||
| Carrying value of assets managed | $ 400.0 | |||
| Shore Premier | ||||
| Business Acquisition [Line Items] | ||||
| Assets and liabilities sold | 383.9 | |||
| Cash received | $ 375.0 | |||
| Amount of shares received in transaction | shares | 1,250,000 | |||
| Fair value of purchasing company's stock | $ 27.4 | |||
| Gain disposal of loans, net | $ 15.8 | |||
| Xenith | ||||
| Business Acquisition [Line Items] | ||||
| Number of branches | branch | 7 |