EMPLOYEE BENEFIT PLANS Table 4 (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Pension Plans (The Pension Plan, Excess Pension Plan and SERP) [Member]
Defined Benefit Plan Disclosure [Line Items]
Unrecognized actuarial loss	$ (36,476)	$ (26,069)	$ (10,294)
Prior service credit	380	103	121
Deferred tax asset	14,414	10,145	4,081
Accumulated other comprehensive loss, net of tax	(21,682)	(15,821)	(6,092)
Other Postretirement Benefit Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Unrecognized actuarial loss	(5,188)	(3,959)	(2,597)
Prior service credit	2,420	0	0
Deferred tax asset	1,171	1,561	1,026
Accumulated other comprehensive loss, net of tax	$ (1,597)	$ (2,398)	$ (1,571)