EMPLOYEE BENEFIT PLANS (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
CHANGE IN ACCUMULATED BENEFIT OBLIGATION
Accumulated Benefit obligation at beginning of year	$ 210,815	$ 196,911
Service cost	112	100	158
Interest cost	8,551	9,622
Actuarial (gain) loss	(24,724)	21,541
Benefits paid	(8,807)	(17,359)
Accumulated Benefit obligation at end of year	185,947	210,815	196,911
Non-cash (increases) decreases in the minimum pension liability	$ 45,700	$ (15,400)	$ (24,500)