Document and Entity Information	12 Months Ended
	Dec. 31, 2017 shares
Statement [Line Items]
Document Type	40-F
Amendment Flag	false
Document Period End Date	Dec. 31, 2017
Trading Symbol	hbm
Entity Registrant Name	Hudbay Minerals Inc.
Entity Central Index Key	0001322422
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding	261,271,188
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Well Known Seasoned Issuer	No
Document Fiscal Year Focus	2017
Document Fiscal Period Focus	FY