Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Cash flows from operating activities:
Net loss	$ (9,732)	$ (34,805)
Adjustments to reconcile net loss to cash provided by operating activities:
Depreciation, depletion and amortization	1,774	2,098
Amortization of debt issuance costs	123	209
Accretion of Class C discount		11,650
Accretion expense	102	148
Distributions from equity investments	1,263	2,564
Equity earnings in affiliate	(3,391)	(599)
Gain on sale of assets	2,208
Mark-to-market on Stonepeak Warrant	563	4,792
Net cash settlements received on commodity derivative contracts		101
Gain on Nuvve Holding Warrants	664
Unit-based compensation	76	1,879
Amortization of intangible assets	3,365	3,363
Changes in Operating Assets and Liabilities:
Accounts receivable	(8,429)	(835)
Prepaid expenses	(332)	(419)
Other assets		10
Accounts payable and accrued liabilities	12,381	24,673
Accounts payable and accrued liabilities- related entities	1,191	(8,421)
Other long-term liabilities	(14)
Net cash provided by operating activities	1,812	6,408
Cash flows from investing activities:
Initial direct costs of right of use assets	(764)
Proceeds from sale of gathering and transportation assets	250
Construction of gathering and transportation assets	(74)
Net cash used in investing activities	(588)
Cash flows from financing activities:
Repayment of debt	(4,500)	(12,000)
Proceeds from issuance of debt	3,000	5,500
Debt issuance costs	(3)
Net cash used in financing activities	(1,503)	(6,500)
Net decrease in cash and cash equivalents	(279)	(92)
Cash and cash equivalents, beginning of period	1,675	1,718
Cash and cash equivalents, end of period	1,396	1,626
Supplemental disclosures of cash flow information:
Cash paid during the period for income tax	3
Cash paid during the period for interest	$ 418	$ 781