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Condensed Consolidated Statements of Income (Unaudited) (Parentheticals) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Related party revenue $ 3,600 $ 2,800 $ 9,900 $ 8,400