v3.26.1
Statements of Changes in Shareholders' Equity and Redeemable Capital Shares (unaudited) - USD ($)
Total
Retained Earnings [Member]
Redeemable Capital Shares [Member]
Balance at Dec. 31, 2024     $ 167,424,356
Balance, Shares at Dec. 31, 2024     1,750,000
Purchases of Shares     $ 445,997,531
Purchases of Shares, Shares     4,300,000
Redemption of Shares     $ (70,224,088)
Redemption of Shares, Shares     (700,000)
Net Increase (Decrease) due to Share Transactions     $ 375,773,443
Net Increase (Decrease) due to Share Transactions, shares     3,600,000
Distributions $ (1,697,600) $ (1,697,600)  
Net Comprehensive Income (Loss) 1,655,410 1,655,410  
Adjustment of Redeemable Capital Shares to Redemption Value related to Retained Earnings 42,190 42,190 $ (42,190)
Adjustment of Redeemable Capital Shares to Redemption Value     36,636,761
Balance at Jun. 30, 2025     $ 579,792,370
Balance, Shares at Jun. 30, 2025     5,350,000
Balance at Mar. 31, 2025     $ 234,444,950
Balance, Shares at Mar. 31, 2025     2,350,000
Purchases of Shares     $ 361,305,623
Purchases of Shares, Shares     3,450,000
Redemption of Shares     $ (46,192,622)
Redemption of Shares, Shares     (450,000)
Net Increase (Decrease) due to Share Transactions     $ 315,113,001
Net Increase (Decrease) due to Share Transactions, shares     3,000,000
Distributions (1,101,798) (1,101,798)  
Net Comprehensive Income (Loss) 1,080,910 1,080,910  
Adjustment of Redeemable Capital Shares to Redemption Value related to Retained Earnings 20,888 20,888 $ (20,888)
Adjustment of Redeemable Capital Shares to Redemption Value     30,255,307
Balance at Jun. 30, 2025     $ 579,792,370
Balance, Shares at Jun. 30, 2025     5,350,000
Balance at Dec. 31, 2025 $ 422,857,259   $ 422,857,259
Balance, Shares at Dec. 31, 2025 3,900,000   3,900,000
Purchases of Shares     $ 618,308,024
Purchases of Shares, Shares     5,750,000
Redemption of Shares     $ (654,976,898)
Redemption of Shares, Shares     (6,100,000)
Net Increase (Decrease) due to Share Transactions     $ (36,668,874)
Net Increase (Decrease) due to Share Transactions, shares     (350,000)
Distributions $ (1,633,938) (1,633,938)  
Net Comprehensive Income (Loss) 1,611,186 1,611,186  
Adjustment of Redeemable Capital Shares to Redemption Value related to Retained Earnings 22,752 22,752 $ (22,752)
Adjustment of Redeemable Capital Shares to Redemption Value     (11,446,396)
Balance at Jun. 30, 2026 $ 374,719,237   $ 374,719,237
Balance, Shares at Jun. 30, 2026 3,550,000   3,550,000
Balance at Mar. 31, 2026     $ 462,713,560
Balance, Shares at Mar. 31, 2026     4,350,000
Purchases of Shares     $ 396,936,101
Purchases of Shares, Shares     3,700,000
Redemption of Shares     $ (482,879,516)
Redemption of Shares, Shares     (4,500,000)
Net Increase (Decrease) due to Share Transactions     $ (85,943,415)
Net Increase (Decrease) due to Share Transactions, shares     (800,000)
Distributions $ (809,442) (809,442)  
Net Comprehensive Income (Loss) 791,920 791,920  
Adjustment of Redeemable Capital Shares to Redemption Value related to Retained Earnings 17,522 $ 17,522 $ (17,522)
Adjustment of Redeemable Capital Shares to Redemption Value     (2,033,386)
Balance at Jun. 30, 2026 $ 374,719,237   $ 374,719,237
Balance, Shares at Jun. 30, 2026 3,550,000   3,550,000