FAIR VALUE MEASUREMENTS (Narrative) (Details) (USD $)	9 Months Ended			3 Months Ended	9 Months Ended
	Sep. 30, 2014 item	Sep. 30, 2013	Dec. 31, 2013	Mar. 31, 2014 Fair Value, Measurements, Nonrecurring	Sep. 30, 2014 Fair Value, Measurements, Nonrecurring	Sep. 30, 2014 Fair Value, Measurements, Nonrecurring Fair Value, Inputs, Level 2
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Number of Rabbi Trust estabished	2
Total gain of the Rabbi Trust investment	$ 2,571,000	$ 2,620,000
Unrealized gains	369,000	2,468,000
Assets subject to fair value measurement on a nonrecurring basis			0			2,280,000
Liabilities subject to fair value measurement on a nonrecurring basis			0
Loss on impairment of long-lived assets				$ 2,987,000	$ 2,987,000