Consolidated Balance Sheets (Parenthetical) - USD ($)
$ in Millions
Mar. 31, 2016
Dec. 31, 2015
Accounts receivable less reserve $ 0.3 $ 0.3
Common Units    
Limited Partners' Capital Account, Units Issued 53,834,784 53,834,784
Limited Partners' Capital Account, Units Outstanding 53,834,784 53,834,784
Subordinated Units    
Limited Partners' Capital Account, Units Issued 46,811,398 46,811,398
Limited Partners' Capital Account, Units Outstanding 46,811,398 46,811,398