ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Reclassification Adjustment) (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2013		Sep. 30, 2012
Unrealized gains and losses on available-for-sale securities
Income tax expense	$ (7,096)	[1]
Net of tax			1,341
Amount Reclassified From Accumulated Other Comprehensive Income [Member]
Unrealized gains and losses on available-for-sale securities
Net securities gains (losses)	107	[2]
Income tax expense	(43)	[2]
Net of tax	64	[2]
Amortization of defined benefit pension items
Salaries and employee benefits	(183)	[2],[3]
Income tax expense	74	[2]
Net of tax	(109)	[2]
Total reclassifications for the period	$ (45)	[2]

[1] All amounts are net of tax. Amounts in parenthesis indicate a decrease in other comprehensive income.

[2] Amounts in parenthesis indicate a decrease in net income.

[3] Included in the computation of net periodic benefit cost (see employee benefit plans footnote for additional details).