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Unit Based Awards (Details)
$ in Thousands
1 Months Ended 6 Months Ended
Mar. 31, 2014
Jun. 30, 2015
USD ($)
plan_component
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Number of plan components | plan_component   2
Number of shares authorized   725,000
General partner capital contributions | $   $ 55
General partner interest percentage 2.00% 2.00%
Unit Options    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Number of shares authorized   483,333
Restricted Units    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Number of shares authorized   241,667
Unrecognized compensation cost related to non-vested restricted units | $   $ 2,682
Weighted average period for recognition   1 year 10 months 14 days
Restricted Units | Non-employee Directors [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Vesting period   4 years
Restricted Units | Employees [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Vesting period   3 years