Statement Of Cash Flows [Abstract]
| Concept | As at 2022-12-31 | 2022-01-01 to 2022-12-31 | As at 2021-12-31 | 2021-01-01 to 2021-12-31 | As at 2020-12-31 | 
|---|---|---|---|---|---|
| Statement of cash flows [abstract] | |||||
| Cash flows from (used in) operating activities [abstract] | |||||
| Cash flows from (used in) operating activities | — | 
                                                3,027,000
                                                
                                                    
                                                        USD
                                                    
                                                
                                             | — | 
                                                711,000
                                                
                                                    
                                                        USD
                                                    
                                                
                                             | — | 
| Cash flows from (used in) investing activities [abstract] | |||||
| Cash flows from (used in) investing activities | — | 
                                                35,334,000
                                                
                                                    
                                                        USD
                                                    
                                                
                                             | — | 
                                                14,234,000
                                                
                                                    
                                                        USD
                                                    
                                                
                                             | — | 
| Cash flows from (used in) financing activities [abstract] | |||||
| Repayments of borrowings, classified as financing activities | — | 
                                                38,724,000
                                                
                                                    
                                                        USD
                                                    
                                                
                                             | — | 
                                                16,371,000
                                                
                                                    
                                                        USD
                                                    
                                                
                                             | — | 
| Cash flows from (used in) financing activities | — | 
                                                36,412,000
                                                
                                                    
                                                        USD
                                                    
                                                
                                             | — | 
                                                16,371,000
                                                
                                                    
                                                        USD
                                                    
                                                
                                             | — | 
| Increase (decrease) in cash and cash equivalents after effect of exchange rate changes | — | 
                                                1,949,000
                                                
                                                    
                                                        USD
                                                    
                                                
                                             | — | 
                                                2,848,000
                                                
                                                    
                                                        USD
                                                    
                                                
                                             | — | 
| Cash and cash equivalents | 
                                                4,489,000
                                                
                                                    
                                                        USD
                                                    
                                                
                                             | — | 
                                                2,540,000
                                                
                                                    
                                                        USD
                                                    
                                                
                                             | — | 
                                                5,388,000
                                                
                                                    
                                                        USD
                                                    
                                                
                                             |