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ACCOUNTING POLICIES (Details) - Jun. 30, 2015 $ in Millions | USD ($) | USD ($) Component Calculation Segment Factor
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Allowance for Loan Losses [Abstract] |  |
Number of broad components used in allowance methodology | Component |  | 2
Number of calculations used for general loan loss allocation | Calculation |  | 2
Number of main loan segments | Segment |  | 5
Period of historical net charge-off data for each loan class used in determining allowance level |  | 36 months
Number of qualitative environmental factors used in qualitative calculation for loan loss allocation | Factor |  | 8
Threshold amount for specific loan losses of individual commercial loans | $ 0.5 | $ 0.5
Core Deposits [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible asset useful life (amortization period) | 8 years |
Core Deposits [Member] | Minimum [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible asset useful life (amortization period) |  | 7 years
Core Deposits [Member] | Maximum [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible asset useful life (amortization period) |  | 20 years
Customer Relationships [Member] | Minimum [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible asset useful life (amortization period) |  | 7 years
Customer Relationships [Member] | Maximum [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible asset useful life (amortization period) |  | 20 years

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