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EMPLOYEE BENEFIT PLANS - Trading results related to the SERP assets (Details 1) (Trading Securities In Supplemental Executive Retirement Plan, USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Trading Securities In Supplemental Executive Retirement Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Gains (losses), net	$ (79)	$ (33)	$ 53	$ (118)

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The profit or loss resulting from the defined benefit plan assets.

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