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Components of Working Capital (tables)
3 Months Ended
Mar. 31, 2015
Components Of Working Capital [Abstract]  
Other Current Assets Table
A summary of other current assets is as follows:
thousands
 
March 31, 2015
 
December 31, 2014
Natural gas liquids inventory
 
$
6,087

 
$
5,316

Natural gas imbalance receivables
 
1,682

 
415

Prepaid insurance
 
1,978

 
3,217

Other
 
1,295

 
1,893

Total other current assets
 
$
11,042

 
$
10,841

Accrued Liabilities Table
A summary of accrued liabilities is as follows:
thousands
 
March 31, 2015
 
December 31, 2014
Accrued capital expenditures
 
$
94,176

 
$
128,856

Accrued plant purchases
 
37,826

 
14,023

Accrued interest expense
 
27,995

 
24,741

Short-term asset retirement obligations
 
5,739

 
1,224

Short-term remediation and reclamation obligations
 
475

 
475

Income taxes payable
 
299

 
207

Other (1)
 
5,276

 
1,338

Total accrued liabilities
 
$
171,786

 
$
170,864

                                                                                                                                                                                    
(1) 
Includes $3.5 million of post-closing purchase price adjustments at March 31, 2015, related to WES’s acquisition of DBM.