Equity Investments - Equity Investments Table (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Schedule of Equity Method Investments [Line Items]
Balance at beginning of year			$ 1,167,187
Equity income, net	$ 41,317	$ 48,506	139,388	$ 159,337
Contributions			8,899	3,683
Distributions			(139,710)	(164,772)
Distributions in excess of cumulative earnings			(41,058)	(30,075)
Acquisitions and divestitures			7,397
Balance at end of period	1,142,103		1,142,103
White Cliffs [Member]
Schedule of Equity Method Investments [Line Items]
Balance at beginning of year			40,753
Equity income, net			539
Contributions			0
Distributions			(103)
Distributions in excess of cumulative earnings			(2,760)
Acquisitions and divestitures			0
Balance at end of period	38,429		38,429
Rendezvous [Member]
Schedule of Equity Method Investments [Line Items]
Balance at beginning of year			22,075
Equity income, net			(1,910)
Contributions			0
Distributions			(534)
Distributions in excess of cumulative earnings			(2,074)
Acquisitions and divestitures			0
Balance at end of period	17,557		17,557
Mont Belvieu JV [Member]
Schedule of Equity Method Investments [Line Items]
Balance at beginning of year			96,728
Equity income, net			21,651
Contributions			0
Distributions			(21,765)
Distributions in excess of cumulative earnings			(3,378)
Acquisitions and divestitures			0
Balance at end of period	93,236		93,236
Texas Express Gathering [Member]
Schedule of Equity Method Investments [Line Items]
Balance at beginning of year			16,116
Equity income, net			4,832
Contributions			75
Distributions			(4,849)
Distributions in excess of cumulative earnings			(21)
Acquisitions and divestitures			0
Balance at end of period	16,153		16,153
Texas Express Pipeline [Member]
Schedule of Equity Method Investments [Line Items]
Balance at beginning of year			188,925
Equity income, net			32,457
Contributions			0
Distributions			(32,646)
Distributions in excess of cumulative earnings			(2,733)
Acquisitions and divestitures			0
Balance at end of period	186,003		186,003
Front Range Pipeline [Member]
Schedule of Equity Method Investments [Line Items]
Balance at beginning of year			196,632
Equity income, net			34,074
Contributions			455
Distributions			(34,384)
Distributions in excess of cumulative earnings			(2,364)
Acquisitions and divestitures			0
Balance at end of period	194,413		194,413
Whitethorn LLC [Member]
Schedule of Equity Method Investments [Line Items]
Balance at beginning of year			149,690
Equity income, net			(2,736)
Contributions			255
Distributions			3,553
Distributions in excess of cumulative earnings			(1,565)
Acquisitions and divestitures			0
Balance at end of period	149,197		149,197
Cactus II [Member]
Schedule of Equity Method Investments [Line Items]
Balance at beginning of year			171,294
Equity income, net			10,903
Contributions			0
Distributions			(11,028)
Distributions in excess of cumulative earnings			(7,567)
Acquisitions and divestitures			0
Balance at end of period	163,602		163,602
Saddlehorn [Member]
Schedule of Equity Method Investments [Line Items]
Balance at beginning of year			110,441
Equity income, net			15,813
Contributions			0
Distributions			(15,470)
Distributions in excess of cumulative earnings			(5,150)
Acquisitions and divestitures			0
Balance at end of period	105,634		105,634
Panola [Member]
Schedule of Equity Method Investments [Line Items]
Balance at beginning of year			20,044
Equity income, net			1,688
Contributions			0
Distributions			(1,454)
Distributions in excess of cumulative earnings			(864)
Acquisitions and divestitures			0
Balance at end of period	19,414		19,414
Mi Vida [Member]
Schedule of Equity Method Investments [Line Items]
Balance at beginning of year			51,763
Equity income, net			8,256
Contributions			0
Distributions			(7,209)
Distributions in excess of cumulative earnings			(3,105)
Acquisitions and divestitures			0
Balance at end of period	49,705		49,705
Ranch Westex [Member]
Schedule of Equity Method Investments [Line Items]
Balance at beginning of year			979
Equity income, net			3,392
Contributions			0
Distributions			(3,392)
Distributions in excess of cumulative earnings			(8,376)
Acquisitions and divestitures			7,397
Balance at end of period	0	$ 2,900	0	$ 2,900
Red Bluff Express [Member]
Schedule of Equity Method Investments [Line Items]
Balance at beginning of year			101,747
Equity income, net			10,429
Contributions			8,114
Distributions			(10,429)
Distributions in excess of cumulative earnings			(1,101)
Acquisitions and divestitures			0
Balance at end of period	$ 108,760		$ 108,760