Reportable Segments (EBITDA) (Details) - USD ($) $ in Thousands	1 Months Ended	12 Months Ended
	Aug. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Reconciliation of total Adjusted EBITDA from reportable segments to net income (loss) from continuing operations
Total Adjusted EBITDA from reportable segments		$ 65,458	$ 64,882	$ 51,573
Other expenses not allocated to reportable segments		(12,762)	(19,226)	(24,924)
Depreciation and amortization		(47,151)	(46,852)	(40,230)
Goodwill impairment		(15,456)	(29,896)	0
Interest expense		(5,970)	(5,375)	(8,981)
Loss on extinguishment of debt				(1,634)
Loss on disposal of assets, net		(2,569)	(909)	(1,137)
Unit-based compensation		(2,024)	(1,217)	(1,658)
Total gain (loss) on commodity derivatives		385	(3,057)	(13,762)
Net cash payments for commodity derivatives settled during the period		639	14,821	1,071
Early settlement of commodity derivatives	$ (8,745)		(8,745)
Corporate overhead support from general partner		(9,000)	(5,500)
Transaction costs and other		(5,013)	(1,877)	(3,766)
LOSS FROM CONTINUING OPERATIONS BEFORE INCOME TAXES		$ (33,463)	$ (42,951)	$ (43,448)