Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

Name:	us-gaap_AccountsPayableCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.

CONDENSED CONSOLIDATED BALANCE SHEET - USD ($) $ in Thousands	Sep. 30, 2016	Jul. 01, 2016	Dec. 31, 2015	Sep. 30, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 182,399		$ 10,759	$ 74,474	$ 74,488
Accounts receivable	44,063		48,031
Fair value of derivative contracts	6,261		38,576
Current income tax receivable	19,863		46,174
Other current assets	11,176		6,881
Total current assets	263,762		150,421
Oil and gas properties, full cost method of accounting:
Proved	9,564,561		9,375,898
Less: accumulated depreciation, depletion and amortization	(9,054,069)		(8,603,955)
Net proved oil and gas properties	510,492		771,943
Unevaluated	404,226		440,043
Other property and equipment, net	27,227		29,289
Other assets, net	29,800		18,473
Total assets	1,235,507		1,410,169
Current liabilities:
Accounts payable to vendors	29,259		82,207
Undistributed oil and gas proceeds	7,439		5,992
Accrued interest	22,917		9,022
Asset retirement obligations	60,223		21,291
Current portion of long-term debt	292,795		0
Other current liabilities	10,903		40,712
Total current liabilities	423,536		159,224
Long-term debt	1,122,945		1,060,955
Asset retirement obligations	182,816		204,575
Other long-term liabilities	25,871		25,204
Total liabilities	1,755,168		1,449,958
Commitments and contingencies
Stockholders’ equity:
Common stock, $.01 par value; authorized 30,000,000 shares; issued 5,605,525 and 5,530,232 shares, respectively	56		55
Treasury stock (1,658 shares, at cost)	(860)		(860)
Additional paid-in capital	1,657,028		1,648,687
Accumulated deficit	(2,179,803)		(1,705,623)
Accumulated other comprehensive income	3,918		17,952
Total stockholders’ equity	(519,661)	$ 50,000	(39,789)
Total liabilities and stockholders’ equity	$ 1,235,507		$ 1,410,169