ACCOUNTING POLICIES (Details) (USD $) In Millions, unless otherwise specified		12 Months Ended	9 Months Ended
	Sep. 30, 2013	Dec. 31, 2012 Core Deposits [Member]	Sep. 30, 2013 Core Deposits [Member] Minimum [Member]	Sep. 30, 2013 Core Deposits [Member] Maximum [Member]	Sep. 30, 2013 Customer Relationships [Member] Minimum [Member]	Sep. 30, 2013 Customer Relationships [Member] Maximum [Member]
Allowance for Loan Losses [Abstract]
Threshold amount for specific loan losses of individual commercial loans	$ 0.5
Income Taxes [Abstract]
Threshold percentage for realization (in hundredths)	50.00%
Finite-Lived Intangible Assets [Line Items]
Intangible asset useful life (amortization period)		8 years	7 years	20 years	7 years	12 years