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Canadian Dollar Deposits - Additional Information (Detail)	12 Months Ended
	Dec. 31, 2024 USD ($)	Dec. 31, 2024 CAD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2023 CAD ($)	Dec. 31, 2024 CAD ($)	Dec. 31, 2023 CAD ($)
Cash and Cash Equivalents [Abstract]
Principal deposits	$ 24,989,122	$ 34,206,434	$ 104,356,208	$ 141,712,275
Principal redemptions	36,155,840	$ 48,866,326	126,719,960	$ 171,032,104
Deposits, interest bearing	$ 61,159,344		$ 77,824,405		$ 87,959,368	$ 102,619,260
Annual nominal rate	1.31%				1.31%

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Excludes cash and cash equivalents within disposal group and discontinued operation.

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Rate of interest on investment.

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