Borrowings (Details) - USD ($) |
6 Months Ended | |
|---|---|---|
Mar. 10, 2026 |
Jun. 30, 2026 |
|
| Borrowings [Line Items] | ||
| Borrowings | $ 9,481,000 | |
| Mortgage loan | $ 9,500,000 | |
| Borrowings, interest rate | 6.125% | |
| Bank borrowings | 167,138,000 | |
| Carrying amount | $ 884,153,000 | |
| Fixed interest term | 30 years | |
| Fixed-Rate Bank [Member] | ||
| Borrowings [Line Items] | ||
| Percentage of carrying at fixed-rate | 6.125% | |
| Floating-Rate Bank [Member] | ||
| Borrowings [Line Items] | ||
| Borrowings, interest rate | 4.04% | |
| AMTD IDEA Group [Member] | ||
| Borrowings [Line Items] | ||
| Borrowings | $ 10,650,000 | |
| Percentage of carrying at fixed-rate | 5.00% | |
| Bank borrowings | $ 30,000,000 | |
| Carrying amount | 23,000,000 | |
| Borrowings [Member] | ||
| Borrowings [Line Items] | ||
| Borrowings | $ 280,170,000 |