BORROWINGS (Short-Term Borrowings) (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended	12 Months Ended
	Sep. 30, 2014	Dec. 31, 2013
Short-term borrowings
Securities sold under agreements to repurchase	$ 33,517	$ 52,455
Other short-term borrowings	195,000	211,500
Total short-term borrowings	228,517	263,955
Maximum month-end outstanding balance	274,281	263,955
Average outstanding balance during the period	238,104	119,433
Average interest rate during the period	0.24%	0.30%
Average interest rate at end of period	0.20%	0.30%
Other short-term borrowings:
Federal Funds purchased		31,500
FHLB	$ 195,000	$ 180,000