Equity-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2014

Common Unit Options [Member]

Common Unit Options Activity

The common unit options activity for the year ended December 31, 2014 is as follows:

Common Unit Options	Units		Weighted Average Exercise Price
Outstanding at the beginning of period	142,550		$	22.04
Exercised	(34,900	)	20.03
Outstanding at end of period	107,650		22.68
Exercisable at the end of the period	107,650

Phantom Share Units (PSUs) [Member]

Restricted (Non-Vested) Common Unit Activity

The following table presents phantom unit activity for the year ended December 31, 2014:

Phantom Units	Units		Weighted Average Grant Date Fair Value
Outstanding at the beginning of the period	982,242		$	23.16
Service condition grants	1,450,230		25.24
Vested service condition	(183,380	)	25.25
Forfeited service condition	(81,373	)	24.83
Total outstanding at end of period	2,167,719		24.31

Cash Restricted Units [Member]

Restricted (Non-Vested) Common Unit Activity

The following table presents cash restricted unit activity for the year ended December 31, 2014:

Cash Restricted Units	Units
Outstanding at the beginning of the period	—
Service condition grants	400,928
Vested service condition	(500	)
Forfeited service condition	(21,100	)
Total outstanding at end of period	379,328