CONSOLIDATED STATEMENTS OF PARTNERS' CAPITAL - USD ($) $ in Thousands	Total	Common Units	General Partner Interest
Balance (in units) at Dec. 31, 2016		113,282,973
Balance at Dec. 31, 2016	$ 624,907	$ 624,906	$ 1
Increase (Decrease) in Shareholders' Equity
Cash distributions to common unitholders – Affiliates	(778)	(778)
Cash distributions to common unitholders – Non-affiliates	(1,488)	(1,488)
Net loss	(72,788)	$ (72,788)
Balance (in units) at Dec. 31, 2017		113,282,973
Balance at Dec. 31, 2017	549,853	$ 549,852	1
Increase (Decrease) in Shareholders' Equity
Net loss	(50,027)	$ (50,027)
Balance (in units) at Dec. 31, 2018		113,282,973
Balance at Dec. 31, 2018	499,826	$ 499,825	1
Increase (Decrease) in Shareholders' Equity
Cash distributions to common unitholders – Affiliates	(15,568)	(15,568)
Cash distributions to common unitholders – Non-affiliates	(29,745)	(29,745)
Net loss	(34,969)	$ (34,969)
Balance (in units) at Dec. 31, 2019		113,282,973
Balance at Dec. 31, 2019	$ 419,544	$ 419,543	$ 1