Assets and Liabilities, at Fair Value (Narrative) (Details) - USD ($) |
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2015 |
Dec. 31, 2014 |
Jun. 30, 2015 |
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| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | |||||
| Commemorative coins, held at lower of cost or market | $ 76,000 | $ 76,000 | $ 1,518,000 | ||
| Realized gains on cost method investment | 0 | $ 0 | 0 | $ 0 | |
| Fair Value, Measurements, Nonrecurring | Carrying Amount | |||||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | |||||
| Cost method investment | $ 4,800,000 | $ 4,800,000 | |||
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- Definition Inventory, Commemorative Coin, Stated At Lower Cost Or Market No definition available.
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- Definition Fair value portion of investments accounted under the cost method. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition For investments in debt and equity securities accounted for at cost, the excess of net sale proceeds over the carrying amount of investments disposed of during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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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