ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Changes in Accumulated Other Comprehensive Income (Loss) by Category) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended								3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013 Accumulated Net Unrealized Investment Gain (Loss) [Member]	Dec. 31, 2012 Accumulated Net Unrealized Investment Gain (Loss) [Member]	Sep. 30, 2013 Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]	Dec. 31, 2012 Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]	Sep. 30, 2013 Accumulated Defined Benefit Plans Adjustment [Member]	Dec. 31, 2012 Accumulated Defined Benefit Plans Adjustment [Member]	Sep. 30, 2013 Consolidated Entity Excluding RSO [Member]	Sep. 30, 2012 Consolidated Entity Excluding RSO [Member]	Sep. 30, 2013 Consolidated Entity Excluding RSO [Member]	Sep. 30, 2012 Consolidated Entity Excluding RSO [Member]	Sep. 30, 2013 Consolidated Entity Excluding RSO [Member] Accumulated Net Unrealized Investment Gain (Loss) [Member]	Sep. 30, 2013 Consolidated Entity Excluding RSO [Member] Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]	Sep. 30, 2013 Consolidated Entity Excluding RSO [Member] Accumulated Defined Benefit Plans Adjustment [Member]
Changes in Accumulated Other Comprehensive Income (Loss) by Category [Roll Forward]
Total balance, beginning of the year			$ (2,197)										$ (2,197)		$ 847	$ (14)	$ (3,030)
Other comprehensive income before reclassifications													(423)		(433)	10	0
Amounts reclassified from accumulated other comprehensive income													310		131	0	179
Subtotal - other comprehensive income	2,681	4,099	9,582	13,397							(42)	(243)	(113)	(27)	(302)	10	179
Total balance, end of the year	(2,310)		(2,310)								(2,310)		(2,310)		545	(4)	(2,851)
Accumulated other comprehensive loss, tax					$ 364	$ 544	$ (2)	$ (10)	$ (2,221)	$ (2,326)