ACCUMULATED OTHER COMPREHENSIVE LOSS (Changes in Accumulated Other Comprehensive Loss by Category) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2013 Investment Securities Available-for-Sale [Member]	Dec. 31, 2012 Investment Securities Available-for-Sale [Member]	Mar. 31, 2013 Cash Flow Hedges [Member]	Dec. 31, 2012 Cash Flow Hedges [Member]	Mar. 31, 2013 SERP Pension Liability [Member]	Dec. 31, 2012 SERP Pension Liability [Member]	Mar. 31, 2013 Consolidated Entity Excluding RSO [Member]	Mar. 31, 2012 Consolidated Entity Excluding RSO [Member]	Mar. 31, 2013 Consolidated Entity Excluding RSO [Member] Investment Securities Available-for-Sale [Member]	Mar. 31, 2013 Consolidated Entity Excluding RSO [Member] Cash Flow Hedges [Member]	Mar. 31, 2013 Consolidated Entity Excluding RSO [Member] SERP Pension Liability [Member]
Changes in Accumulated Other Comprehensive Income (Loss) by Category [Roll Forward]
Total balance, beginning of the year	$ (2,197)								$ (2,197)		$ 846	$ (14)	$ (3,029)
Other comprehensive income before reclassifications									(346)		(351)	5	0
Amounts reclassified from accumulated other comprehensive income									218		131	0	87
Subtotal - other comprehensive income	5,175	10,647							(128)	85	(220)	5	87
Total balance, end of the year	(2,325)								(2,325)		626	(9)	(2,942)
Accumulated other comprehensive loss, tax			$ (410)	$ 544	$ (4)	$ (10)	$ (2,318)	$ (2,326)