Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands		Sep. 30, 2018	Dec. 31, 2017
Common units issued		218,937,797	218,933,141
Common units outstanding		218,937,797	218,933,141
Accounts receivable, net	[1]	$ 224,887	$ 160,239
Other current assets	[2]	26,119	15,383
Accrued liabilities	[3]	114,504	47,992
Other liabilities	[4]	141,957	3,491
Affiliates [Member]
Accounts receivable, net		59,100	36,100
Other current assets		1,400	0
Accrued liabilities		2,300	200
Other liabilities		$ 50,200	$ 700

[1] Accounts receivable, net includes amounts receivable from affiliates (as defined in Note 1) of $59.1 million and $36.1 million as of September 30, 2018, and December 31, 2017, respectively.

[2] Other current assets includes affiliate amounts of $1.4 million and zero as of September 30, 2018, and December 31, 2017, respectively.

[3] Accrued liabilities includes affiliate amounts of $2.3 million and $0.2 million as of September 30, 2018, and December 31, 2017, respectively.

[4] Other liabilities includes affiliate amounts of $50.2 million and $0.7 million as of September 30, 2018, and December 31, 2017, respectively.