Debtors Condensed Combined Financial Statements (Debtors Condensed Combined Statement Of Operations) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Revenues	$ 64,329us-gaap_OilAndGasRevenue	$ 94,163us-gaap_OilAndGasRevenue
Cost of Operations	164,940us-gaap_OperatingExpenses	76,987us-gaap_OperatingExpenses
Income (Loss) From Operations	(100,611)us-gaap_OperatingIncomeLoss	17,176us-gaap_OperatingIncomeLoss
Other Income (Expense):
Financing and transaction costs	(1,025)	(1,816)
Reorganization items	(6,866)us-gaap_ReorganizationItems
Other expense	105us-gaap_OtherNonoperatingIncomeExpense	(204)us-gaap_OtherNonoperatingIncomeExpense
Total Other Expense	(22,191)us-gaap_NonoperatingIncomeExpense	(58,477)us-gaap_NonoperatingIncomeExpense
Net Loss	(110,661)us-gaap_NetIncomeLoss	(44,870)us-gaap_NetIncomeLoss
Debtors [Member]
Revenues	1,082
Cost of Operations	11,314
Income (Loss) From Operations	(10,232)
Other Income (Expense):
Interest income	15,000
Financing and transaction costs	(58)
Reorganization items	(6,866)
Other expense	26
Total Other Expense	8,102
Net Loss	$ (2,130)

Amount of interest income earned from interest bearing assets not separately disclosed.

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Aggregate revenue during the period related to oil and gas business activities.

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Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Includes selling, general and administrative expense.

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The net amount of other income and expense amounts, the components of which are not separately disclosed on the income statement, resulting from ancillary business-related activities (that is, excluding major activities considered part of the normal operations of the business) also known as other nonoperating income (expense) recognized for the period. Such amounts may include: (a) dividends, (b) interest on securities, (c) net gains or losses on securities, (d) unusual costs, (e) gains or losses on foreign exchange transactions, and (f) miscellaneous other income and expense items.

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