Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands		Mar. 31, 2018	Dec. 31, 2017
Common units issued		218,933,141	218,933,141
Common units outstanding		218,933,141	218,933,141
Accounts receivable, net	[1]	$ 188,876	$ 160,239
Other current assets	[2]	23,256	15,383
Other assets	[3]	14,525	12,570
Accounts and imbalance payables	[4]	360,028	349,801
Accrued liabilities	[5]	79,122	47,992
Other liabilities	[6]	128,757	3,491
Affiliates [Member]
Accounts receivable, net		56,100	36,100
Other current assets		5,700	0
Other assets		200	0
Accounts and imbalance payables		100	300
Accrued liabilities		2,100	200
Other liabilities		$ 42,400	$ 700

[1] Accounts receivable, net includes amounts receivable from affiliates (as defined in Note 1) of $56.1 million and $36.1 million as of March 31, 2018, and December 31, 2017, respectively.

[2] Other current assets includes affiliate amounts of $5.7 million and zero as of March 31, 2018, and December 31, 2017, respectively.

[3] Other assets includes affiliate amounts of $0.2 million and zero as of March 31, 2018, and December 31, 2017, respectively.

[4] Accounts and imbalance payables includes affiliate amounts of $0.1 million and $0.3 million as of March 31, 2018, and December 31, 2017, respectively.

[5] Accrued liabilities includes affiliate amounts of $2.1 million and $0.2 million as of March 31, 2018, and December 31, 2017, respectively.

[6] Other liabilities includes affiliate amounts of $42.4 million and $0.7 million as of March 31, 2018, and December 31, 2017, respectively.