STATEMENT OF CONSOLIDATED CASH FLOWS (Unaudited) - USD ($)		3 Months Ended
		Mar. 31, 2021	Mar. 31, 2020
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss) including noncontrolling interests		$ 22,489,000	$ (25,371,000)	[1],[2]
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Unrealized derivative instrument loss		16,529,000	61,984,000	[2],[3]
Depreciation and accretion		4,000,000	3,914,000	[2],[3]
Income from equity method interests, net		(21,688,000)	(15,842,000)	[2],[3]
Distributions from equity method interests		23,810,000	20,985,000	[3]
Impairments		441,000	0	[3]
Other income		(7,205,000)	0	[3]
Other		217,000	461,000	[3]
Changes in operating assets and liabilities:
Increase in inventories		(294,000)	(182,000)	[3]
(Increase) decrease in prepaid assets and other		544,000	(79,000)	[3]
Increase in accounts receivable		(226,000)	(101,000)	[3]
Decrease in revenue receivables (Note 2)		226,000	3,752,000	[3]
(Increase) decrease in account receivables from/payable to affiliate		279,000	(948,000)	[3]
Increase in accrued expenses		4,491,000	3,017,000	[3]
Increase (decrease) in deferred charges, deferred credits, and other noncurrent liabilities		(1,005,000)	1,825,000	[3]
NET CASH PROVIDED BY OPERATING ACTIVITIES		43,272,000	51,538,000	[3]
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital expenditures		(1,330,000)	(19,096,000)	[3]
Proceeds from sale of assets		1,090,000	6,096,000	[3]
Contributions to equity method interests		(20,522,000)	(82,827,000)	[3]
Distributions from equity method interests		7,540,000	1,552,000	[3]
Capitalized interest paid		0	(3,340,000)	[3]
NET CASH USED IN INVESTING ACTIVITIES		(13,222,000)	(97,615,000)	[3]
CASH FLOWS FROM FINANCING ACTIVITIES:
Distributions paid to Preferred Unit limited partners		(11,562,000)	0	[3]
Distributions paid to Apache limited partner		(18,750,000)	0	[3]
Dividends paid		(5,620,000)	0	[3]
Proceeds from revolving credit facility		33,000,000	72,000,000	[3]
Finance lease		0	(11,789,000)	[3]
Deferred facility fees		0	(816,000)	[3]
NET CASH PROVIDED BY (USED IN) FINANCING ACTIVITIES		(2,932,000)	59,395,000	[3]
INCREASE IN CASH AND CASH EQUIVALENTS		27,118,000	13,318,000	[3]
CASH AND CASH EQUIVALENTS AT BEGINNING OF YEAR		24,188,000	5,983,000	[3]
CASH AND CASH EQUIVALENTS AT END OF PERIOD		51,306,000	19,301,000	[3]
SUPPLEMENTAL CASH FLOW DATA:
Accrued capital expenditures	[4]	305,000	6,557,000	[3]
Interest paid, net of capitalized interest		2,328,000	0	[3]
Warrants valuation adjustment		$ 664,000	$ (1,877,000)	[2]

[1] This period presented has been revised to reflect the Company’s fair value change of its underlying warrants. Refer to Note 1—Summary of Significant Accounting Policies, see the section titled Revision of Previously Issued Consolidated Financial Statements for Immaterial Adjustment for further information.

[2] This period presented has been revised to reflect the Company’s fair value change of its underlying warrants. Refer to Note 1—Summary of Significant Accounting Policies, see the section titled Revision of Previously Issued Consolidated Financial Statements for Immaterial Adjustment for further information.

[3] This period presented has been revised to reflect the Company’s fair value change of its underlying warrants. Refer to Note 1—Summary of Significant Accounting Policies, see the section titled Revision of Previously Issued Consolidated Financial Statements for Immaterial Adjustment for further information.

[4] Includes $0.3 million due from Apache and $1.7 million due to Apache for the three months ended March 31, 2021 and 2020, respectively, pursuant to the terms of the COMA (as defined herein). Refer to Note 2—Transactions with Affiliates for more information.