Document and Entity Information	6 Months Ended
	Jun. 30, 2011	Jul. 29, 2011
Document and Entity Information
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Jun. 30, 2011
Document Fiscal Period Focus	Q2
Document Fiscal Year Focus	2011
Entity Registrant Name	UMPQUA HOLDINGS CORP
Entity Central Index Key	0001077771
Current Fiscal Year End Date	--12-31
Entity Common Stock, Shares Outstanding		114,538,506
Entity Filer Category	Large Accelerated Filer