EMPLOYEE BENEFIT PLANS Table 3 (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Net loss reclassified into income
Total changes in other comprehensive (loss) income	$ 5,060	$ 10,556	$ (784)
Pension Plans (The Pension Plan, Excess Pension Plan and SERP) [Member]
Defined Benefit Plan Disclosure [Line Items]
Net actuarial (loss) gain	(11,800)	(16,260)	366
Prior service credit	295	0	0
Net unrealized (loss) gain arising during the year	(11,505)	(16,260)	366
Net loss reclassified into income
Amortization of prior service credit	(18)	(18)	(18)
Amortization of net loss	1,393	485	542
Net loss reclassified into income	1,375	467	524
Income tax benefit (expense)	4,269	6,064	(136)
Total changes in other comprehensive (loss) income	5,861	9,729	(754)
Other Postretirement Benefit Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Net actuarial (loss) gain	(1,368)	(1,433)	(84)
Prior service credit	2,420	0	0
Net unrealized (loss) gain arising during the year	1,052	(1,433)	(84)
Net loss reclassified into income
Amortization of prior service credit	0	0	0
Amortization of net loss	139	71	83
Net loss reclassified into income	139	71	83
Income tax benefit (expense)	(390)	535	31
Total changes in other comprehensive (loss) income	$ (801)	$ 827	$ (30)