No definition available.

Name:	PLTM_FeePaidToSponsor
Namespace Prefix:	PLTM_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

Maximum amount of gold to be held by trust unallocated account.

No definition available.

Name:	PLTM_MaximumAmountOfGoldToBeHeldByTrustUnallocatedAccount
Namespace Prefix:	PLTM_
Data Type:	dtr-types:massItemType
Balance Type:	na
Period Type:	instant

The minimum block of shares that can be created or redeemed against bullion deposits or distributions.

No definition available.

Name:	PLTM_MinimumBlockOfSharesIssuedRedeemedAgainstBullion
Namespace Prefix:	PLTM_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

Percentage of allocated platinum available to sale.

No definition available.

Name:	PLTM_PercentageOfAllocatedPlatinumAvailableToSale
Namespace Prefix:	PLTM_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

Transaction fee for creations and redemptions.

No definition available.

Name:	PLTM_TransactionFeeForCreationsAndRedemptions
Namespace Prefix:	PLTM_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Amount of transfer of financial instrument classified as an asset into (out of) level 3 of the fair value hierarchy.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-3

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(3)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Name:	us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

A brief description of status of the tax examination, significant findings to date, and the entity's position with respect to the findings.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 15
-Subparagraph (e)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-15

Name:	us-gaap_IncomeTaxExaminationDescription
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Amount of transactions with related party during the financial reporting period.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 850
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483326/850-10-50-1

Name:	us-gaap_RelatedPartyTransactionAmountsOfTransaction
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Amount of unrecognized tax benefits.

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 217
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482663/740-10-55-217

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 15A
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-15A

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 10B
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482525/740-10-45-10B

GraniteShares Platinum Trust 10-Q