Components of Working Capital

12 Months Ended

Dec. 31, 2014

Components Of Working Capital [Abstract]

Components of Working Capital

11.  COMPONENTS OF WORKING CAPITAL

A summary of other current assets is as follows:

	December 31,
thousands	2014		2013
Natural gas liquids inventory	$	5,316	$	2,584
Natural gas imbalance receivables	415		3,605
Prepaid insurance	3,217		2,900
Other	1,893		1,710
Total other current assets	$	10,841	$	10,799

A summary of accrued liabilities is as follows:

	December 31,
thousands	2014		2013
Accrued capital expenditures	$	116,891	$	94,750
Accrued plant purchases	14,023		21,396
Accrued interest expense	24,741		18,119
Short-term asset retirement obligations	1,212		1,966
Short-term remediation and reclamation obligations	475		562
Income taxes payable	207		—
Other	1,181		1,241
Total accrued liabilities	$	158,730	$	138,034