Condensed Consolidated Statements of Changes in Members’ Equity/Partners’ Capital - USD ($) $ in Thousands	Class A Units	Class B Units	Class A Preferred	Common Units	Total
Balance at Dec. 31, 2014	$ 1,930	$ 104,893			$ 106,823
Balance (in shares) at Dec. 31, 2014	48,451	2,879,258
Units tendered by employees for tax withholding		$ (21)			(21)
Units tendered by employees for tax withholding (in shares)		(1,557)
Net income (loss)	$ (18)	$ (905)			(923)
Balance at Mar. 05, 2015	$ 1,912	$ 103,967			105,879
Balance (in shares) at Mar. 05, 2015	48,451	2,877,701
Class A Units converted to common units	$ (1,912)			$ 1,912
Class A Units converted to common units (in shares)	(48,451)			58,729
Class B Units converted to common units upon limited partnership conversion		$ (103,967)		$ 103,967
Class B Units converted to common units upon limited partnership conversion (in shares)		(2,877,701)		2,877,701
Units tendered by employees for tax withholding				$ (597)	(597)
Units tendered by employees for tax withholding (in shares)				(32,269)
Unit-based compensation programs				$ 2,454	2,454
Unit-based compensation programs (in shares)				472,972
Private placement of Class A Preferred Units, net of offering costs			$ 16,550		16,550
Private placement of Class A Preferred Units, net of offering costs (in shares)			10,859,375
Beneficial conversion feature of Class A Preferred Units			$ (863)	$ 863
Preferred unit paid-in-kind distributions			$ 1,425	(1,425)
Preferred unit paid-in-kind distributions (in shares)			834,989
Issuance of common units				$ 193	193
Issuance of common units (in shares)				6,865
Common units retired via unit repurchase program				$ (2,223)	(2,223)
Common units retired via unit repurchase program (in shares)				(143,185)
Common units issued for acquisition of properties				$ 2,000	2,000
Common units issued for acquisition of properties (in shares)				105,263
Common units received and retired for acquisition of properties				$ (1,065)	(1,065)
Common units received and retired for acquisition of properties (in shares)				(105,263)
Cash distributions				$ (1,219)	(1,219)
Distributions - Class B preferred units				(14,012)	(14,012)
Net income (loss)				(136,133)	(136,133)
Balance at Dec. 31, 2015			$ 17,112	$ (45,285)	(28,173)
Balance (in shares) at Dec. 31, 2015			11,694,364	3,240,813
Class A Units converted to common units			$ (17,112)	$ 17,112
Class A Units converted to common units (in shares)			(11,694,364)	1,169,441
Units tendered by employees for tax withholding				$ (140)	(140)
Units tendered by employees for tax withholding (in shares)				(12,227)
Unit-based compensation programs				$ 2,042	2,042
Unit-based compensation programs (in shares)				67,627
Units forfeited by employees (in shares)				(2,000)
Issuance of common units				$ 2,398	2,398
Issuance of common units (in shares)				208,761
Offering costs				$ (139)	(139)
Common units retired via unit repurchase program				$ (2,948)	(2,948)
Common units retired via unit repurchase program (in shares)				(242,500)
Cash distributions				$ (4,815)	(4,815)
Distributions - Class B preferred units				(49,266)	(49,266)
Net income (loss)				32,132	32,132
Balance at Sep. 30, 2016				$ (48,909)	$ (48,909)
Balance (in shares) at Sep. 30, 2016				4,429,915