Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands		Jun. 30, 2022	Dec. 31, 2021
Materials and supplies inventory		$ 55,300	$ 56,200
Total assets	[1]	11,388,859	11,273,079
Accounts receivable, net		716,343	436,513
Total liabilities	[2]	8,083,856	8,177,319
Related Parties [Member]
Total assets		1,531,714	1,405,376
Accounts receivable, net		322,715	180,205
Total liabilities		288,319	270,521
Natural-Gas Liquids [Member]
NGLs line-fill inventory		$ 12,200	$ 9,800

[1] Total assets includes related-party amounts of $1.5 billion and $1.4 billion as of June 30, 2022, and December 31, 2021, respectively, which includes related-party Accounts receivable, net of $322.7 million and $180.2 million as of June 30, 2022, and December 31, 2021, respectively. See Note 6.

[2] Total liabilities includes related-party amounts of $288.3 million and $270.5 million as of June 30, 2022, and December 31, 2021, respectively. See Note 6.