Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Current assets
Cash and cash equivalents	$ 1,445	$ 5,099
Accounts receivable	472	133
Accounts receivable - related entities	7,720	6,719
Prepaid expenses	1,116	1,193
Fair value of commodity derivative instruments	3,714	226
Total current assets	14,467	13,370
Oil and natural gas properties and related equipment
Oil and natural gas properties, equipment and facilities (successful efforts method)	112,471	112,476
Gathering and transportation assets	187,062	186,941
Less: accumulated depreciation, depletion, amortization and impairment	(169,973)	(144,189)
Oil and natural gas properties and equipment, net	129,560	155,228
Other assets
Intangible assets, net	141,882	145,246
Equity investments	97,494	100,311
Other non-current assets	380	285
Total assets	383,783	414,440
Current liabilities
Accounts payable and accrued liabilities	4,031	5,347
Accounts payable and accrued liabilities - related entities	927	631
Royalties payable	359	359
Short-term debt, net of debt issuance costs	39,287	39,374
Fair value of commodity derivative instruments		985
Total current liabilities	44,604	46,696
Other liabilities
Long term accrued liabilities - related entities	6,048	4,892
Asset retirement obligation	7,036	6,898
Long-term debt, net of debt issuance costs	99,643	109,437
Class C Preferred Units	302,482	281,688
Other liabilities	899	629
Total other liabilities	416,108	403,544
Total liabilities	460,712	450,240
Commitments and contingencies (See Note 11)
Partners' deficit
Common units, 19,975,256 and 20,087,462 units issued and outstanding as of March 31, 2020 and December 31, 2019, respectively	(76,929)	(35,800)
Total partners' deficit	(76,929)	(35,800)
Total liabilities and partners' capital	$ 383,783	$ 414,440