Document and Entity Information In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	May 07, 2014
Document And Entity Information [Abstract]
Document type	10-Q
Document period end date	Mar. 31, 2014
Amendment flag	false
Document Fiscal Period Focus	Q1
Document Fiscal Year Focus	2014
Current fiscal year end date	--12-31
Entity central index key	0001112412
Entity filer category	Accelerated Filer
Entity registrant name	Endeavour International Corporation
Entity Common Stock, Shares Outstanding		50.3