ACCOUNTING POLICIES (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015 Factor Segment Component Calculation
Allowance for Loan Losses [Abstract]
Number of broad components used in allowance methodology	2
Number of calculations used for general loan loss allocation	2
Number of main loan segments	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	8
Threshold amount for specific loan losses of individual commercial loans	$ 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