Document and Entity Information	12 Months Ended
	Dec. 31, 2013	Feb. 14, 2014
Document And Entity Information [Abstract]
Document Type	10-K
Amendment Flag	false
Document Period End Date	Dec. 31, 2013
Document Fiscal Year Focus	2013
Document Fiscal Period Focus	Q4
Entity Registrant Name	STIFEL FINANCIAL CORP
Entity Central Index Key	0000720672
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		65,207,793