Statements of Changes in Shareholders' Equity and Redeemable Capital Shares - USD ($)	Total	Retained Earnings	Redeemable Capital Shares
Balance at Dec. 31, 2022			$ 187,364,894
Balance, Shares at Dec. 31, 2022			2,650,000
Purchases of Shares			$ 212,746,723
Purchases of Shares, Shares			3,100,000
Redemption of Shares			$ (149,619,744)
Redemption of Shares, Shares			(2,250,000)
Net Increase (Decrease) due to Share Transactions			$ 63,126,979
Net Increase (Decrease) due to Share Transactions, Shares			850,000
Net Comprehensive Income (Loss)	$ (1,064,993)	$ (1,064,993)
Adjustment of Redeemable Capital Shares to Redemption Value related to Retained Earnings	1,064,993	1,064,993	$ (1,064,993)
Adjustment of Redeemable Capital Shares to Redemption Value			(31,602,456)
Balance at Sep. 30, 2023			$ 217,824,424
Balance, Shares at Sep. 30, 2023			3,500,000
Balance at Jun. 30, 2023			$ 225,235,345
Balance, Shares at Jun. 30, 2023			3,500,000
Purchases of Shares			$ 41,813,071
Purchases of Shares, Shares			650,000
Redemption of Shares			$ (41,855,952)
Redemption of Shares, Shares			(650,000)
Net Increase (Decrease) due to Share Transactions			$ (42,881)
Net Comprehensive Income (Loss)	(340,442)	(340,442)
Adjustment of Redeemable Capital Shares to Redemption Value related to Retained Earnings	340,442	340,442	(340,442)
Adjustment of Redeemable Capital Shares to Redemption Value			(7,027,598)
Balance at Sep. 30, 2023			$ 217,824,424
Balance, Shares at Sep. 30, 2023			3,500,000
Balance at Dec. 31, 2023	$ 312,438,303		$ 312,438,303
Balance, Shares at Dec. 31, 2023	4,750,000		4,750,000
Purchases of Shares			$ 221,241,137
Purchases of Shares, Shares			3,550,000
Redemption of Shares			$ (64,467,427)
Redemption of Shares, Shares			(1,050,000)
Net Increase (Decrease) due to Share Transactions			$ 156,773,710
Net Increase (Decrease) due to Share Transactions, Shares			2,500,000
Net Comprehensive Income (Loss)	$ (1,200,439)	(1,200,439)
Adjustment of Redeemable Capital Shares to Redemption Value related to Retained Earnings	1,200,439	1,200,439	$ (1,200,439)
Adjustment of Redeemable Capital Shares to Redemption Value			361,862
Balance at Sep. 30, 2024	$ 468,373,436		$ 468,373,436
Balance, Shares at Sep. 30, 2024	7,250,000		7,250,000
Balance at Jun. 30, 2024			$ 339,274,602
Balance, Shares at Jun. 30, 2024			5,900,000
Purchases of Shares			$ 104,987,903
Purchases of Shares, Shares			1,650,000
Redemption of Shares			$ (19,273,963)
Redemption of Shares, Shares			(300,000)
Net Increase (Decrease) due to Share Transactions			$ 85,713,940
Net Increase (Decrease) due to Share Transactions, Shares			1,350,000
Net Comprehensive Income (Loss)	$ (386,753)	(386,753)
Adjustment of Redeemable Capital Shares to Redemption Value related to Retained Earnings	386,753	$ 386,753	$ (386,753)
Adjustment of Redeemable Capital Shares to Redemption Value			43,771,647
Balance at Sep. 30, 2024	$ 468,373,436		$ 468,373,436
Balance, Shares at Sep. 30, 2024	7,250,000		7,250,000

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