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Description of the business and summary of significant accounting policies - Foreign currency exchange differences and liabilities and provisions (Details)
 12 Months Ended
Dec. 31, 2022
USD ($)
Dec. 31, 2022
$ / $
USD ($)
Dec. 31, 2022
₡ / $
USD ($)
Dec. 31, 2022
USD ($)
Q / $
Dec. 31, 2021
USD ($)
Dec. 31, 2021
$ / $
USD ($)
Dec. 31, 2021
₡ / $
USD ($)
Dec. 31, 2021
Q / $
USD ($)
Dec. 31, 2020
USD ($)
Dec. 31, 2020
$ / $
USD ($)
Dec. 31, 2020
₡ / $
USD ($)
Dec. 31, 2020
USD ($)
Q / $
Apr. 18, 2023
MXN ($)
Dec. 31, 2022
$ / $
Dec. 31, 2022
₡ / $
Dec. 31, 2022
Q / $
Dec. 31, 2021
$ / $
Dec. 31, 2021
₡ / $
Dec. 31, 2021
Q / $
Dec. 31, 2020
$ / $
Dec. 31, 2020
₡ / $
Dec. 31, 2020
Q / $
Description of the business and summary of significant accounting policies                                            
Average exchange rate for year 4,255.44 20.1254 649.5908 7.7765 3,751.33 20.2818 624.3460 7.7589 3,695.48 21.4961 588.4240 7.7292                    
Exchange rate 4,810.20 4,810.20 4,810.20 4,810.20 3,981.16 3,981.16 3,981.16 3,981.16 3,428.26 3,428.26 3,428.26 3,428.26 18.0638 19.36 594.9700 7.8515 20.58 645.900 7.7285 19.9487 615.7800 7.8095
Exchange differences on translation of foreign operations $ 3,471,000       $ (10,489,000) [1]       $ (38,699,000) [1]                          
[1] The comparative Consolidated financial statements have been re-presented from Mexican peso to U.S. dollar to reflect the Company’s change in presentation currency.