v2.4.0.6
RELATED PARTY TRANSACTIONS Table (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Related Party Transaction [Line Items]      
Revenues $ 1,039 $ 0 $ 0
Operating expenses 150,159 137,634 124,827
General and administrative expenses $ 66,623 $ 71,554 $ 58,878