PENSION AND POSTRETIREMENT BENEFITS (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Qualified Pension Plan
Components of Net Periodic Benefit Cost
Interest Cost		$ 461		$ 922
Expected return on plan assets		(874)		(1,748)
Settlement		7,111		7,111
Amortization of prior service cost		110		221
Amortization of net loss		6,541		13,083
Net periodic pension cost		13,349		19,589
Postretirement Benefit
Components of Net Periodic Benefit Cost
Service Cost	415	523	830	1,046
Interest Cost	395	418	790	836
Amortization of net loss	205	280	410	560
Net periodic pension cost	$ 1,015	$ 1,221	$ 2,030	$ 2,442