Canadian Dollar Deposits - Additional Information (Detail)	3 Months Ended	12 Months Ended
Mar. 31, 2025 USD ($)	Mar. 31, 2025 CAD ($)	Mar. 31, 2024 USD ($)	Dec. 31, 2024 CAD ($)	Mar. 31, 2025 CAD ($)	Dec. 31, 2024 USD ($)	Dec. 31, 2024 CAD ($)
Cash and Cash Equivalents [Abstract]
Principal deposits	$ 13,698,938	$ 19,546,535	$ 0	$ 34,206,434
Principal redemptions	6,799,834	$ 9,773,267	$ 18,119,319	$ 48,866,326
Deposits, interest bearing	$ 67,905,253				$ 97,732,636	$ 61,159,344	$ 87,959,368
Annual nominal rate	0.91%				0.91%

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.

Rate of interest on investment.

+ References

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+ Details