XML 14 R3.htm IDEA: XBRL DOCUMENT v3.21.2
Statements of Assets and Liabilities (Unaudited) (Parenthetical) - USD ($)
$ in Thousands
 6 Months Ended 12 Months Ended
Jun. 30, 2021
Dec. 31, 2020
Investment Company [Abstract]    
Investment in platinum at cost $ 1,238,585 $ 1,181,607
Common stock, shares authorized Unlimited Unlimited
Common stock, no par value (in dollars per share) $ 0 $ 0
Common stock, shares issued 13,750,000 13,300,000
Common stock, shares outstanding 13,750,000 13,300,000
Net asset value per share (in dollars per share) $ 98.83 $ 99.97