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Property, Plant And Equipment - Additional Information (Detail) $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Apr. 30, 2023 USD ($) | Apr. 30, 2022 USD ($) | Apr. 30, 2021 USD ($) | [1] | Apr. 30, 2023 HKD ($) | Apr. 30, 2023 CAD ($) | May 01, 2021 USD ($) | [1]
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |  |  |  |
Property, plant and equipment | $ 238,600 | $ 16 | [1] |  |  |  | $ 20
Other comprehensive income, net of tax, gains (losses) on revaluation of property, plant and equipment, right-of-use assets and intangible assets | 1,145 | 0 | [1] | $ 0 |  |  |
Property Revaluation Reserve [Member] |  |  |  |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |  |  |  |
Other comprehensive income, net of tax, gains (losses) on revaluation of property, plant and equipment, right-of-use assets and intangible assets | 559 |  |  |  |  |  |
Hotel Properties [Member] |  |  |  |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |  |  |  |
Property, plant and equipment | 238,594 | $ 0 |  |  |  |  |
Property, plant and equipment, pledged as security | $ 171,977 |  |  |  |  |  |
Hotel Properties [Member] | Discount rate, measurement input [member] |  |  |  |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |  |  |  |
Significant unobservable input duration assets property plant and equipment | 10 years |  |  |  |  |  |
Hotel Properties [Member] | Hong Kong and Canada [Member] |  |  |  |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |  |  |  |
Property, plant and equipment | $ 238,594 |  |  |  |  |  |
Transfer into or out of level 3 Property, plant and equipment | 0 |  |  |  |  |  |
Hotel Properties [Member] | Hong Kong and Canada [Member] | Property Revaluation Reserve [Member] |  |  |  |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |  |  |  |
Other comprehensive income, net of tax, gains (losses) on revaluation of property, plant and equipment, right-of-use assets and intangible assets | $ 1,145 |  |  |  |  |  |
Hotel Properties [Member] | Hong Kong [member] | Discount rate, measurement input [member] |  |  |  |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |  |  |  |
Significant unobservable input, assets | 5.1 |  |  |  | 5.1 | 5.1 |
Percentage of reasonably possible increase in unobservable input, assets | 50.00% |  |  |  | 50.00% | 50.00% |
Percentage of reasonably possible decrease in unobservable input, assets | 50.00% |  |  |  | 50.00% | 50.00% |
Increase (decrease) in fair value measurement due to reasonably possible increase in unobservable input, assets | $ 6,000 |  |  |  |  |  |
Increase (decrease) in fair value measurement due to reasonably possible decrease in unobservable input, assets | $ 8,000 |  |  |  |  |  |
Hotel Properties [Member] | Hong Kong [member] | Bottom of range [member] | Discount rate, measurement input [member] |  |  |  |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |  |  |  |
Hotel average daily tariff rate |  |  |  |  | $ 880 |  |
Hotel Properties [Member] | Hong Kong [member] | Top of range [member] | Discount rate, measurement input [member] |  |  |  |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |  |  |  |
Hotel average daily tariff rate |  |  |  |  | $ 1,810 |  |
Hotel Properties [Member] | Canada [member] | Discount rate, measurement input [member] |  |  |  |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |  |  |  |
Significant unobservable input, assets | 6.65 |  |  |  | 6.65 | 6.65 |
Percentage of reasonably possible increase in unobservable input, assets | 50.00% |  |  |  | 50.00% | 50.00% |
Percentage of reasonably possible decrease in unobservable input, assets | 50.00% |  |  |  | 50.00% | 50.00% |
Increase (decrease) in fair value measurement due to reasonably possible increase in unobservable input, assets | $ 3,000 |  |  |  |  |  |
Increase (decrease) in fair value measurement due to reasonably possible decrease in unobservable input, assets | $ 2,000 |  |  |  |  |  |
Hotel Properties [Member] | Canada [member] | Bottom of range [member] | Discount rate, measurement input [member] |  |  |  |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |  |  |  |
Hotel average daily tariff rate |  |  |  |  |  | $ 280 |
Hotel Properties [Member] | Canada [member] | Top of range [member] | Discount rate, measurement input [member] |  |  |  |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |  |  |  |
Hotel average daily tariff rate |  |  |  |  |  | $ 380 |
[1] | The comparative consolidated financial statements have been re-presented from Hong Kong dollar to US$ to reflect the Company’s change in presentation currency. See note 1.

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