Equity-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2016

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block]

A summary of our unit award activity for the six months ended June 30, 2016, is set forth below:

	Number of Phantom Units		Weighted-Average Grant Date Fair Value
Not vested at December 31, 2015	279,787		$	28.06
Awards granted	86,100		22.51
Awards vested	(70,886	)	26.16
Awards forfeited	(10,181	)	31.87
Not vested at June 30, 2016	284,820		26.45