CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Current assets
Cash and cash equivalents	$ 123,800	$ 98,800
Accounts receivable – third parties	200	600
Accounts receivable – related parties	10,700	11,300
Prepaid expenses	0	5,100
Other current assets	4,400	5,000
Total current assets	139,100	120,800
Equity method investments (Note 3)	526,900	534,400
Property, plant and equipment, net (Note 4)	64,000	62,700
Other assets	3,600	4,200
Total assets	733,600	722,100
Current liabilities
Accounts payable – third parties	500	600
Accounts payable – related parties	1,700	1,700
Deferred revenue and credits	1,600	1,500
Other current liabilities (Note 5)	5,200	6,600
Total current liabilities	9,000	10,400
Long-term debt (Note 6)	468,000	468,000
Other liabilities	3,600	3,500
Total liabilities	480,600	481,900
Commitments and contingencies (Note 10)
EQUITY
General partner	1,200	1,200
Total partner's capital	118,300	103,300
Non-controlling interests	134,700	136,900
Total equity	253,000	240,200
Total liabilities and equity	733,600	722,100
Common Units | Public
EQUITY
Common stock	858,600	851,600
Common Units | BP Holdco
EQUITY
Common stock	(59,700)	(60,300)
Subordinated Units | BP Holdco
EQUITY
Common stock	$ (681,800)	$ (689,200)