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Subsequent Events Details (Details) - Jul. 23, 2015 - Subsequent Event [Member] - USD ($)
$ / shares in Units, $ in Millions
Total
Subsequent Event [Line Items]  
Distribution Made to Limited Partner, Cash Distributions Declared $ 44.1
Quarterly Cash Dividend [Member]  
Subsequent Event [Line Items]  
Common Stock, Dividends, Per Share, Declared $ 0.60