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Unit-Based Compensation (Cash Awards) - Additional Information (Details) - Long-Term Cash Restricted Unit Plan [Member] - Cash Awards [Member] - USD ($)
$ in Millions
1 Months Ended 6 Months Ended
Sep. 30, 2015
Jan. 31, 2015
Jun. 30, 2016
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Granted, shares 1,000 30,710  
Forfeited, shares     3,470
Vesting Period     3 years
Weighted average period     1 year 5 months 5 days
Fair value of nonvested awards outstanding     $ 1.4
Unrecognized compensation cost     $ 0.6
Share Based Compensation Award Tranche One [Member]      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Vesting percentage of awards granted   100.00%