Document and Entity Information - USD ($)	12 Months Ended
	Dec. 31, 2019	Mar. 09, 2020	Jun. 28, 2019
Document and Entity Information [Abstract]
Entity Registrant Name	Perth Mint Physical Gold ETF
Entity Central Index Key	0001708646
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Document Type	10-K
Document Period End Date	Dec. 31, 2019
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2019
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Accelerated Filer
Entity Shell Company	false
Entity Small Business	false
Entity Emerging Growth Company	true
Entity Ex Transition Period	true
Entity Public Float			$ 133,245,000
Entity Common Stock, Shares Outstanding		13,100,000
Entity File Number	001-38620
Entity Interactive Data Current	Yes
Entity Incorporation, State or Country Code	NY