Components of Working Capital (tables)

3 Months Ended

Mar. 31, 2014

Components Of Working Capital [Abstract]

Other Current Assets Table

A summary of other current assets is as follows: 

thousands	March 31, 2014		December 31, 2013
Natural gas liquids inventory	$	2,793	$	2,584
Natural gas imbalance receivables	2,101		3,605
Prepaid insurance	1,813		2,900
Other	1,290		1,710
Total other current assets	$	7,997	$	10,799

Accrued Liabilities Table

A summary of accrued liabilities is as follows:

thousands	March 31, 2014		December 31, 2013
Accrued capital expenditures	$	76,332	$	94,750
Accrued plant purchases	27,606		21,396
Accrued interest expense	17,547		18,119
Short-term asset retirement obligations	1,310		1,966
Short-term remediation and reclamation obligations	562		562
Other	1,704		1,241
Total accrued liabilities	$	125,061	$	138,034