Consolidated Statements of Changes in Partners’ Capital - USD ($) $ in Thousands	Common units	Total
Partner's Deficit at Dec. 31, 2017	$ (29,308)	$ (29,308)
Partner's Deficit (in shares) at Dec. 31, 2017	14,965,134
Unit-based compensation programs	$ 1,938	1,938
Unit-based compensation programs (in shares)	531,561
Issuance of common units, net of offering costs	$ 9,585	9,585
Issuance of common units, net of offering costs (in shares)	989,544
Cash distributions to common unit holders	$ (23,243)	(23,243)
Distributions - Class B Preferred Units	(39,283)	(39,283)
Net (loss) income	15,691	15,691
Partner's Deficit at Dec. 31, 2018	$ (64,620)	(64,620)
Partner's Deficit (in shares) at Dec. 31, 2018	16,486,239
Adoption of accounting standards	$ (181)	(181)
Units tendered by SOG employees for tax withholding	$ (218)	(218)
Units tendered by SOG employees for tax withholding (in shares)	(85,417)
Preferred unit exchange	$ 103,773	103,773
Unit-based compensation programs	$ 1,531	1,531
Unit-based compensation programs (in shares)	1,109,880
Common units issued for asset management fee	$ 5,228	5,228
Common units issued for asset management fee (in shares)	2,576,760
Cash distributions to common unit holders	$ (5,216)	(5,216)
Distributions - Class B Preferred Units	(24,955)	(24,955)
Net (loss) income	(51,142)	(51,142)
Partner's Deficit at Dec. 31, 2019	$ (35,800)	$ (35,800)
Partner's Deficit (in shares) at Dec. 31, 2019	20,087,462