MEMBERS' EQUITY Table 3 (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2013
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Prior service credit	$ (60)	$ (180)
Net actuarial loss	570	1,710
Settlement charge	1,044	1,044
Total reclassifications for the period	$ 1,554	$ 2,574