Consolidated Statements Of Changes In Members' Equity - USD ($) $ in Thousands	Class A Unit [Member]	Class B Unit [Member]	Class A Preferred [Member]	Common Units [Member]	Total
Balance at Dec. 31, 2013	$ 2,591	$ 96,314			$ 98,905
Balance (in shares) at Dec. 31, 2013	161,502	2,846,218
Units tendered by employees for tax withholding		$ (415)			(415)
Units tendered by employees for tax withholding (in shares)		(16,018)
Unit-based compensation programs		$ 1,298			1,298
Unit-based compensation programs (in shares)		49,058
Cancellation of units	$ (851)	$ (1,617)			(2,468)
Cancellation of units (in shares)	(113,051)
Net income (loss)	$ 190	9,313			9,503
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
Balance at Dec. 31, 2014	$ 1,930	$ 104,893			106,823
Balance (in shares) at Dec. 31, 2014	48,451	2,879,258
Net income (loss)					(137,056)
Balance at Dec. 31, 2015			$ 17,112	$ (45,285)	(28,173)
Balance (in shares) at Dec. 31, 2015			11,409,131	3,240,813
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 upon limited partnership conversion	$ (1,912)			$ 1,912
Class A Units converted to common units upon limited partnership conversion (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 distributors			$ 1,425	(1,425)
Preferred unit paid-in-kind distributors (in shares)			549,756
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			11,409,131	3,240,813