Document and Entity Information	9 Months Ended
	Sep. 30, 2012	Nov. 01, 2012
Document and Entity Information [Abstract]
Entity Registrant Name	EDGEWATER TECHNOLOGY INC/DE/
Entity Central Index Key	0001017968
Document Type	10-Q
Document Period End Date	Sep. 30, 2012
Amendment Flag	false
Document Fiscal Year Focus	2012
Document Fiscal Period Focus	Q3
Current Fiscal Year End Date	--12-31
Entity Filer Category	Smaller Reporting Company
Entity Common Stock Shares Outstanding		10,928,749