CONSOLIDATED STATEMENTS OF PARTNERS' EQUITY - USD ($) $ in Thousands	Total	Limited Partner Common Units	General Partner (non-economic interest)
Beginning Balance (Predecessor) at Dec. 31, 2012	$ 9,496
Beginning Balance at Dec. 31, 2012	9,417	$ (79)	$ 0
Increase (Decrease) in partners' capital
Net income (loss) | Predecessor	13,221
Net income (loss)	13,124	(97)	0
Ending Balance (Predecessor) at May. 13, 2013	22,717
Ending Balance at May. 13, 2013	22,541	(176)	0
Beginning Balance (Predecessor) at Dec. 31, 2012	9,496
Beginning Balance at Dec. 31, 2012	9,417	(79)	0
Increase (Decrease) in partners' capital
Net income (loss)	35,170
Net income (loss)	22,046
Ending Balance (Predecessor) at Dec. 31, 2013	0
Ending Balance at Dec. 31, 2013	170,721	170,721	0
Beginning Balance (Predecessor) at May. 13, 2013	22,717
Beginning Balance at May. 13, 2013	22,541	(176)	0
Increase (Decrease) in partners' capital
Net income (loss) | Predecessor	0
Net income (loss)	22,046	22,046	0
Proceeds from IPO, net of offering costs | Predecessor	0
Proceeds from IPO, net of offering costs	116,220	116,220	0
Contribution of Predecessor net assets in exchange for common units | Predecessor	(22,717)
Contribution of Predecessor net assets in exchange for common units	0	22,717	0
Common units issued for business acquired | Predecessor	0
Common units issued for business acquired	53,721	53,721	0
Equity-based compensation expense | Predecessor	0
Equity-based compensation expense	5,734	5,734	0
Distribution to prior owners including over commitment proceeds | Predecessor	0
Distribution to prior owners including over commitment proceeds	(19,628)	(19,628)	0
Redemption of original limited partner interest | Predecessor	0
Redemption of original limited partner interest	(2)	(2)	0
Distributions paid | Predecessor	0
Distributions paid	(29,539)	(29,539)	0
Distribution equivalent rights accrued | Predecessor	0
Distribution equivalent rights accrued	(372)	(372)	0
Ending Balance (Predecessor) at Dec. 31, 2013	0
Ending Balance at Dec. 31, 2013	170,721	170,721	0
Increase (Decrease) in partners' capital
Net income (loss)	89,079
Equity-based compensation expense | Predecessor	0
Equity-based compensation expense	9,194	9,194	0
Net income (loss) | Predecessor	0
Net income (loss)	89,079		0
Distributions paid | Predecessor	0
Distributions paid	(112,651)	(112,651)	0
Distribution equivalent rights accrued | Predecessor	0
Distribution equivalent rights accrued	(1,164)	(1,164)	0
Recovery of short swing profit | Predecessor	0
Recovery of short swing profit	10	10	0
Ending Balance (Predecessor) at Dec. 31, 2014	0
Ending Balance at Dec. 31, 2014	155,189	155,189	0
Increase (Decrease) in partners' capital
Net income (loss)	(9,411)
Equity-based compensation expense | Predecessor	0
Equity-based compensation expense	3,654	3,654	0
Net income (loss) | Predecessor	0
Net income (loss)	(9,411)		0
Distributions paid | Predecessor	0
Distributions paid	(74,337)	(74,337)	0
Distribution equivalent rights accrued | Predecessor	0
Distribution equivalent rights accrued	(632)	(632)	0
Recovery of short swing profit | Predecessor	0
Recovery of short swing profit	315	315	0
Ending Balance (Predecessor) at Dec. 31, 2015	0
Ending Balance at Dec. 31, 2015	$ 74,778	$ 74,778	$ 0