Accrued Liabilities (Tables)

6 Months Ended

Jun. 30, 2012

Accounts Payable and Accrued Liabilities, Current [Abstract]

Accrued Liabilities

Accrued liabilities consisted of the following:

	June 30, 2012		December 31, 2011
	(In thousands)
Taxes	$	22,724	$	13,480
Employee costs	16,460		22,518
Lease operating expenses	7,877		7,346
Interest payable	3,030		2,647
Hedge settlements	—		1,844
Other	4,968		3,898
Total accrued liabilities	$	55,059	$	51,733