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GOODWILL AND OTHER INTANGIBLE ASSETS (Schedule of Changes in Goodwill) (Details) - USD ($) $ in Thousands | Sep. 30, 2017 | Dec. 31, 2016
--- | --- | ---
Goodwill [Line Items] |  |
Goodwill, gross | $ 98,267 | $ 98,267
Accumulated impairment losses | (3,570) | (3,570)
Reported goodwill | 94,697 | 94,697
Banking |  |
Goodwill [Line Items] |  |
Goodwill, gross | 90,793 | 90,793
Accumulated impairment losses | 0 | 0
Financial Services |  |
Goodwill [Line Items] |  |
Goodwill, gross | 7,474 | 7,474
Accumulated impairment losses | (3,570) | (3,570)
Banking |  |
Goodwill [Line Items] |  |
Reported goodwill | 90,793 | 90,793
Financial Services |  |
Goodwill [Line Items] |  |
Reported goodwill | $ 3,904 | $ 3,904

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