ACCUMULATED OTHER COMPREHENSIVE INCOME AMOUNT RECLASSIFIED FROM ACCUMULATED OTHER COMPREHENSIVE INCOME (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Other Accumulated Comprehensive income reclassified from AOCI [Line Items]
Gains on sales of investment securities	$ 0	$ 0	$ 50	$ 1,724
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)	103	105	309	317
Defined Benefit Plan, Amortization of Gains (Losses)	(405)	(582)	(1,368)	(2,128)
Pension settlement charges	0	(1,396)	0	(5,712)
Other Comprehensive Income, Reclassification, Amortization of Defined Benefit Plans items, Pre-tax	(302)	(1,873)	(1,059)	(7,523)
Total	(419)	(2,034)	(1,357)	(6,094)
Deposits [Member] | Cash Flow Hedging [Member] | Interest Expense | Interest Rate Contracts
Other Accumulated Comprehensive income reclassified from AOCI [Line Items]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	$ (117)	$ (161)	$ (348)	$ (295)