EMPLOYEE BENEFIT PLANS (Amounts Recognized in the Financial Statements) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Amounts recognized in the consolidated balance sheets
Other assets	$ 0	$ 0
Other liabilities	(117,933)	(64,144)
Net asset (liability) recognized	(117,933)	(64,144)
Amount recognized in accumulated other comprehensive income
Net loss (gain)	(157,147)	(123,858)
Less prior service cost	1,187	1,397
Accumulated other comprehensive loss, excluding income taxes	158,334	125,255
Actuarial loss	17,006
Prior service cost	210
Total	$ 17,216