v3.4.0.3

Organization and Chapter 11 Proceedings (Narrative) (Details) - USD ($) $ in Millions	Apr. 14, 2016	Apr. 11, 2016	Mar. 12, 2015
11.0% Senior Secured Second Lien Notes due 2020 [Member]
Debt maturity date			Mar. 15, 2020
Senior notes, stated percentage			11.00%
Debt discount			$ 53.5
Subsequent Event [Member]
Date petition for bankruptcy filed	Apr. 14, 2016
Court where petition was filed	United States Bankruptcy Court for the Southern District of Texas, Houston Division
Subsequent Event [Member] \| Letter of Credit [Member]
Letter of credit outstanding		$ 228.0
Subsequent Event [Member] \| 11.0% Senior Secured Second Lien Notes due 2020 [Member]
Percentage of pro rata share to be received by the holders of claim	100.00%
Subsequent Event [Member] \| EGC Unsecured Notes, EPL Unsecured Notes and EXXI Convertible Notes [Member]
Term to claim pro rata share of new entity	10 years
Minimum [Member] \| Subsequent Event [Member]
Percentage of principal amount of debt held by restructuring support parties		66.60%
Maximum [Member] \| Subsequent Event [Member] \| EGC Unsecured Notes, EPL Unsecured Notes and EXXI Convertible Notes [Member]
Percentage of pro rata share to be received by the holders of claim	10.00%

Plan of reorganization percentage of principal amount of debt held by restructuring support parties.

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Plan of reorganization, percentage of pro rata share to be received by the olders of claim.

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Plan of reorganization term to claim pro rata share of new entity.

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- Definition

United States Bankruptcy Court where petition for bankruptcy was filed.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 852
-SubTopic 10
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Date petition for bankruptcy filed with the bankruptcy court, in CCYY-MM-DD format.

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Contractual interest rate for funds borrowed, under the debt agreement.

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The amount of debt discount that was originally recognized at the issuance of the instrument that has yet to be amortized.

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Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

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EPL OIL & GAS, INC. 10-Q