Net Income Per Limited Partner Unit (Narrative) (Details) - USD ($)
$ / shares in Units, $ in Millions
9 Months Ended
Nov. 02, 2015
Sep. 30, 2015
Subsequent Event [Member]    
Schedule Of Earnings Per Unit [Line Items]    
Distribution Made to Limited Partner, Cash Distributions Declared $ 17.4  
Distribution Made to Limited Partner, Distributions Declared, Per Unit $ 0.1725  
Distribution Made to Limited Partner, Distribution Date Nov. 20, 2015  
Distribution Made to Limited Partner, Date of Record Nov. 13, 2015  
Minimum    
Schedule Of Earnings Per Unit [Line Items]    
Distribution Made to Limited Partner, Distributions Paid, Per Unit   $ 0.1675
Minimum | Annualized    
Schedule Of Earnings Per Unit [Line Items]    
Distribution Made to Limited Partner, Distributions Paid, Per Unit   $ 0.67