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.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Per share or unit amount of realized and unrealized gain (loss) on investment.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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