BORROWINGS (Additional Information on other short-term borrowings) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Additional Information on other Short-Term Borrowings [Line Items]
Balance outstanding at end of year, amount	$ 154,288	$ 165,359
Customer Repurchase Agreements [Member]
Additional Information on other Short-Term Borrowings [Line Items]
Balance outstanding at end of year, amount	149,288	153,359	166,128
Balance outstanding at end of year, weighted average interest rate	0.13%	0.13%	0.32%
Average daily balance outstanding	147,195	160,589	143,902
Average daily balance outstanding, weighted average interest rate	0.13%	0.20%	0.37%
Maximum balance outstanding at any month end	$ 164,180	$ 178,171	$ 167,093