Related parties (Tables)

12 Months Ended

Dec. 31, 2018

Statements [Line Items]

Disclosure of subsidiaries [Table Text Block]

				Beneficial
				ownership of
				ultimate
				controlling
				party (Hudbay
				Minerals Inc.)
			Entity's
Name	Jurisdiction	Business	Parent	2018	2017
HudBay Marketing & Sales Inc	Canada	Marketing and  sales	HMI	100%	100%
HudBay Peru Inc	British  Columbia	Holding  company	HMI	100%	100%
HudBay Peru S.A.C.	Peru	Exploration/de  velopment	Peru Inc.	100%	100%
HudBay (BVI) Inc.	British Virgin  Islands	Precious  metals sales	Peru Inc.	100%	100%
Hudbay Arizona Inc.	British  Columbia	Holding  company	HMI	100%	100%
			HudBay
			Arizona
			(US)
		Exploration/de	Holding
Rosemont Copper Company 1	Arizona	velopment	Corporation	100%	100%

Disclosure of information about key management personnel [Table Text Block]

		2018		2017
Short-term employee benefits1	$	8,652	$	8,654
Post-employment benefits		762		777
Long-term share-based awards		5,970		6,110
	$	15,384	$	15,541