Additional Balance Sheet Details (Tables)

12 Months Ended

Dec. 31, 2016

Text Block [Abstract]

Trade and Other Receivables, Net

Trade and Other Receivables, Net

	December 31,
In thousands	2016		2015
Trade accounts receivable, net	$	20,084	$	40,146
Commodity derivatives settlement receivables	—		25,994
Other receivables	23,816		20,953
Total	$	43,900	$	87,093

Accounts Payable and Accrued Liabilities

Accounts Payable and Accrued Liabilities

	December 31,
In thousands	2016		2015
Accrued compensation	$	41,894	$	46,780
Accrued lease operating expenses	28,918		37,549
Accrued interest	28,823		48,908
Accounts payable	28,301		30,477
Taxes payable	20,979		32,438
Accrued exploration and development costs	7,420		20,892
Other	43,931		36,153
Total	$	200,266	$	253,197