CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands, shares in Millions	2 Months Ended	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Revenue
Third parties		$ 2,400	$ 2,900	$ 3,000
Related parties		117,500	126,000	125,500
Total revenue		119,900	128,900	128,500
Costs and expenses
Operating expenses – third parties		15,100	14,300	14,200
Operating expenses – related parties		5,400	5,300	5,800
Maintenance expenses – third parties		3,100	3,400	1,500
Maintenance expenses – related parties		300	400	300
General and administrative – third parties		4,300	2,400	2,800
General and administrative – related parties		15,900	14,500	14,100
Depreciation		2,800	2,500	2,600
Impairment and other, net		0	0	1,000
Property and other taxes		800	700	700
Total costs and expenses		47,700	43,500	43,000
Operating income		72,200	85,400	85,500
Income from equity method investments		106,500	110,800	116,700
Interest expense, net		4,300	7,900	15,100
Net income		174,400	188,300	187,100
Less: Net income attributable to non-controlling interests		22,300	19,900	19,200
Net income attributable to the Partnership	$ 167,900	152,100	168,400	167,900
Limited Partners Common Units
Costs and expenses
Net income attributable to the Partnership		$ 137,800	$ 81,800	82,700
Net income attributable to the Partnership per limited partner unit – basic and diluted (in dollars):
Net income per limited partnership unit, basic and diluted (in dollars per share)	$ 1.58	$ 1.40	$ 1.56
Limited Partners Subordinated Units
Costs and expenses
Net income attributable to the Partnership		$ 9,500	$ 81,800	$ 82,700
Net income attributable to the Partnership per limited partner unit – basic and diluted (in dollars):
Net income per limited partnership unit, basic and diluted (in dollars per share)	$ 1.58	$ 0.18	$ 1.56
Common Units Public
Weighted Average Number of Limited Partner Units Outstanding - Basic and Diluted (in millions):
Weighted average number of limited partner units outstanding (in dollars per share)	47.8	47.8	47.8
BP Holdco \| Common Units
Weighted Average Number of Limited Partner Units Outstanding - Basic and Diluted (in millions):
Weighted average number of limited partner units outstanding (in dollars per share)	4.6	50.9	4.6
BP Holdco \| Subordinated Units
Weighted Average Number of Limited Partner Units Outstanding - Basic and Diluted (in millions):
Weighted average number of limited partner units outstanding (in dollars per share)	52.4	52.4	52.4

BP Midstream Partners LP 10-K