Summary of Significant Accounting Policies - Reconciliation of Changes in Noncontrolling Interests (Parenthetical) (Details) |
12 Months Ended | ||||
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Jun. 30, 2021 |
Jun. 30, 2020 |
Jun. 30, 2019 |
Apr. 01, 2021 |
Mar. 31, 2021 |
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| A Mark Precious Metals, Inc | AM&ST Associates, LLC | |||||
| Minority Interest [Line Items] | |||||
| Percentage of ownership owned by parent | 100.00% | 69.00% | |||
| A Mark Precious Metals, Inc | AM&ST Associates, LLC | |||||
| Minority Interest [Line Items] | |||||
| Business acquisition, percentage of interests acquired | 31.00% | ||||
| A Mark Precious Metals, Inc | SilverTowne L.P. | AM&ST Associates, LLC | |||||
| Minority Interest [Line Items] | |||||
| Percentage of ownership owned by parent | 100.00% | ||||
| Precious Metals Purchasing Partners, LLC | |||||
| Minority Interest [Line Items] | |||||
| Percentage of ownership percentage | 50.00% | 50.00% | 50.00% | ||
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- Definition Percentage of voting equity interests acquired at the acquisition date in the business combination. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition The parent entity's interest in net assets of the subsidiary, expressed as a percentage. No definition available.
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- Definition The number of units or percentage investment held in the subsidiary by the limited liability company or limited partnership. No definition available.
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