Document and Entity Information	9 Months Ended
	Sep. 30, 2014	Oct. 27, 2014
Document And Entity Information [Abstract]
Entity Registrant Name	Stock Building Supply Holdings, Inc.
Entity Central Index Key	0001574815
Document Type	10-Q
Document Period End Date	Sep. 30, 2014
Document Fiscal Year Focus	2014
Document Fiscal Period Focus	Q3
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Entity Filer Category	Non-accelerated Filer
Entity Common Stock, Shares Outstanding		26,176,056