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v3.25.2

Australian Dollar Deposits - Additional Information (Detail) | 6 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
Jun. 30, 2025 USD ($) | Jun. 30, 2025 AUD ($) | Jun. 30, 2024 USD ($) | Dec. 31, 2024 AUD ($) | Jun. 30, 2025 AUD ($) | Dec. 31, 2024 USD ($) | Dec. 31, 2024 AUD ($)
Cash and Cash Equivalents [Abstract] |  |  |  |  |  |  |
Annual nominal rate | 1.52% |  |  |  | 1.52% |  |
Principal deposits | $ 34,906,162 | $ 54,439,364 | $ 13,048,072 | $ 54,439,364 |  |  |
Principal redemptions | 6,198,367 | $ 9,898,066 | $ 19,426,306 | $ 64,337,430 |  |  |
Deposits, interest bearing | $ 97,300,604 |  |  |  | $ 148,470,993 | $ 64,347,970 | $ 103,929,695

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