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RELATED PARTY TRANSACTIONS Table (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Related Party Transaction [Line Items]      
Revenues $ 0 $ 929 $ 14,897
Operating expenses 135,565 125,736 122,677
General and administrative expenses 66,769 66,910 58,602
Interest income 0 1,055 6,113
Revenues included in discontinued operations, net of tax 0 528 3,720
Expenses included in discontinued operations, net of tax $ 2 $ 1,680 $ 6,051