Consolidated Statements of Cash Flows - WES Operating - USD ($) $ in Thousands		6 Months Ended
		Jun. 30, 2023	Jun. 30, 2022
Cash flows from operating activities
Net income (loss)		$ 467,857	$ 632,841
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization		288,118	273,618
Long-lived asset and other impairments	[1]	52,635	90
Non-cash equity-based compensation expense		14,864	14,781
Deferred income taxes		855	1,920
Accretion and amortization of long-term obligations, net		4,095	3,586
Equity income, net – related parties		(81,345)	(98,071)
Distributions from equity-investment earnings – related parties		82,871	96,404
(Gain) loss on divestiture and other, net		2,188	780
(Gain) loss on early extinguishment of debt		(6,813)	(91)
Other		399	136
Changes in assets and liabilities:
(Increase) decrease in accounts receivable, net		41	(279,830)
Increase (decrease) in accounts and imbalance payables and accrued liabilities, net		(99,575)	82,909
Change in other items, net		67,057	14,366
Net cash provided by operating activities		793,247	743,439
Cash flows from investing activities
Capital expenditures		(334,570)	(191,357)
Contributions to equity investments – related parties		(132)	(5,040)
Distributions from equity investments in excess of cumulative earnings – related parties		23,179	25,407
(Increase) decrease in materials and supplies inventory and other		(19,145)	(1,053)
Net cash used in investing activities		(330,668)	(170,947)
Cash flows from financing activities
Borrowings, net of debt issuance costs		956,225	634,010
Repayments of debt		(918,332)	(883,548)
Increase (decrease) in outstanding checks		(2,951)	13,038
Distributions to WES Operating unitholders	[2]	(533,556)	(340,946)
Net contributions from (distributions to) related parties		0	784
Other		(14,965)	(9,184)
Net cash provided by (used in) financing activities		(535,282)	(677,057)
Net increase (decrease) in cash and cash equivalents		(72,703)	(104,565)
Cash and cash equivalents at beginning of period		286,656	201,999
Cash and cash equivalents at end of period		213,953	97,434
Supplemental disclosures
Interest paid, net of capitalized interest		158,376	181,790
Income taxes paid (reimbursements received)		1,271	905
Accrued capital expenditures		116,466	51,878
Third Parties [Member]
Cash flows from investing activities
Proceeds from the sale of assets to third parties		0	1,096
Chipeta [Member]
Cash flows from financing activities
Distributions to Chipeta noncontrolling interest owner		(3,470)	(3,182)
WES Operating [Member]
Cash flows from operating activities
Net income (loss)		469,121	634,196
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization		288,118	273,618
Long-lived asset and other impairments	[3]	52,635	90
Non-cash equity-based compensation expense		14,577	14,505
Deferred income taxes		855	1,920
Accretion and amortization of long-term obligations, net		4,095	3,586
Equity income, net – related parties		(81,345)	(98,071)
Distributions from equity-investment earnings – related parties		82,871	96,404
(Gain) loss on divestiture and other, net		2,188	780
(Gain) loss on early extinguishment of debt		(6,813)	(91)
Other		399	136
Changes in assets and liabilities:
(Increase) decrease in accounts receivable, net		61	(279,830)
Increase (decrease) in accounts and imbalance payables and accrued liabilities, net		(114,355)	74,551
Change in other items, net		67,490	14,889
Net cash provided by operating activities		779,897	736,683
Cash flows from investing activities
Capital expenditures		(334,570)	(191,357)
Contributions to equity investments – related parties		(132)	(5,040)
Distributions from equity investments in excess of cumulative earnings – related parties		23,179	25,407
(Increase) decrease in materials and supplies inventory and other		(19,145)	(1,053)
Net cash used in investing activities		(330,668)	(170,947)
Cash flows from financing activities
Borrowings, net of debt issuance costs		956,225	634,010
Repayments of debt		(918,332)	(883,548)
Increase (decrease) in outstanding checks		(2,951)	13,142
Distributions to WES Operating unitholders	[4]	(556,408)	(440,465)
Net contributions from (distributions to) related parties		0	784
Other		(1,550)	(2,177)
Net cash provided by (used in) financing activities		(526,486)	(681,436)
Net increase (decrease) in cash and cash equivalents		(77,257)	(115,700)
Cash and cash equivalents at beginning of period		286,101	195,598
Cash and cash equivalents at end of period		208,844	79,898
Supplemental disclosures
Interest paid, net of capitalized interest		158,376	181,790
Income taxes paid (reimbursements received)		1,271	905
Accrued capital expenditures		116,466	51,878
WES Operating [Member] | Third Parties [Member]
Cash flows from investing activities
Proceeds from the sale of assets to third parties		0	1,096
WES Operating [Member] | Chipeta [Member]
Cash flows from financing activities
Distributions to Chipeta noncontrolling interest owner		$ (3,470)	$ (3,182)

[1] See Note 7.

[2] Includes related-party amounts. See Note 5.

[3] See Note 7.

[4] Includes related-party amounts. See Note 5