SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Intangible assets and Equity investments (Details) |
12 Months Ended |
|---|---|
|
Dec. 31, 2021
USD ($)
| |
| Disclosure of detailed information about intangible assets [line items] | |
| Development costs capitalized | $ 0 |
| Bottom of range | |
| Disclosure of detailed information about intangible assets [line items] | |
| Voting right | 20.00% |
| Top of range | |
| Disclosure of detailed information about intangible assets [line items] | |
| Voting right | 50.00% |
| Licences/permits | |
| Disclosure of detailed information about intangible assets [line items] | |
| Useful life | 15 years |
| Right-to-use licenses | |
| Disclosure of detailed information about intangible assets [line items] | |
| Useful life | 15 years |
| Host community agreements | |
| Disclosure of detailed information about intangible assets [line items] | |
| Useful life | 15 years |
| Trade name/brand | |
| Disclosure of detailed information about intangible assets [line items] | |
| Useful life | 5 years |