Components of Working Capital (Tables)

3 Months Ended

Mar. 31, 2020

A summary of accounts receivable, net is as follows:



	The Partnership				WES Operating
thousands	March 31, 2020		December 31, 2019		March 31, 2020		December 31, 2019
Trade receivables, net	$	254,314	$	260,458	$	246,918	$	260,694
Other receivables, net	2,925		54		2,925		54
Total accounts receivable, net	$	257,239	$	260,512	$	249,843	$	260,748

A summary of other current assets is as follows:



	The Partnership				WES Operating
thousands	March 31, 2020		December 31, 2019		March 31, 2020		December 31, 2019
NGLs inventory	$	469	$	906	$	469	$	906
Materials and supplies inventory	50,291		23,444		50,291		23,444
Imbalance receivables	6,683		4,690		6,683		4,690
Prepaid insurance	3,785		5,676		2,082		3,652
Contract assets	12,975		7,129		12,975		7,129
Other	6,824		93		6,824		93
Total other current assets	$	81,027	$	41,938	$	79,324	$	39,914

A summary of accrued liabilities is as follows:



	The Partnership				WES Operating
thousands	March 31, 2020		December 31, 2019		March 31, 2020		December 31, 2019
Accrued interest expense	$	82,818	$	72,064	$	82,818	$	72,064
Short-term asset retirement obligations	29,633		22,472		29,633		22,472
Short-term remediation and reclamation obligations	3,528		3,528		3,528		3,528
Income taxes payable	—		697		—		697
Contract liabilities	9,120		19,659		9,120		19,659
Other ⁽¹⁾	41,639		31,373		35,076		31,219
Total accrued liabilities	$	166,738	$	149,793	$	160,175	$	149,639

⁽¹⁾

Includes amounts related to WES Operating’s interest-rate swap agreements as of March 31, 2020, and December 31, 2019 (see Note 11).