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Condensed Consolidated Statements of Income (Parentheticals) (Unaudited) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
CONSOLIDATED STATEMENTS OF INCOME [Abstract]        
Revenue From Related Parties $ 12,532 $ 4,325 $ 6,406 $ 7,561