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Unit-Based Compensation (Tables)
 12 Months Ended
Dec. 31, 2019
Share-based Payment Arrangement [Abstract]  
Share-based Compensation, Activity
Restricted unit activity for the year ended December 31, 2019 was as follows:
 
Number of Units
 
Weighted Average Award Date Fair Value
Awarded and Unvested Units at December 31, 2018
71,419

 
$
51.92

Awarded
132,773

 
31.88

Vested
(16,446
)
 
53.45

Forfeited
(84,391
)
 
39.54

Awarded and Unvested Units at December 31, 2019
103,355

 
$
36.04