Intangible assets (Details) - USD ($) $ in Thousands	9 Months Ended
Intangible assets (Details) - USD ($) $ in Thousands	Sep. 30, 2026	Sep. 30, 2025
Amortizing and Non-Amortizing
Balance as beginning	$ 1,825,592
Balance at ending	1,754,671
Intangible assets
Amortizing and Non-Amortizing
Balance as beginning	1,825,592	$ 1,803,199
Additions	28,709	11,345
Disposals	(16,619)	(6,628)
Amortization	(84,582)	(84,765)
Exchange rate variation	1,571	125,761
Balance at ending	1,754,671	1,848,912
Amortizing: \| Trademarks
Amortizing and Non-Amortizing
Balance as beginning	295,217	293,519
Additions	2,961	835
Disposals	0	0
Amortization	(20,443)	(21,065)
Exchange rate variation	(5,199)	29,345
Balance at ending	272,536	302,634
Amortizing: \| Softwares
Amortizing and Non-Amortizing
Balance as beginning	33,339	30,611
Additions	5,140	5,546
Disposals	(55)	(1,422)
Amortization	(6,936)	(5,148)
Exchange rate variation	1,961	4,664
Balance at ending	33,449	34,251
Amortizing: \| Customer relationships
Amortizing and Non-Amortizing
Balance as beginning	358,275	408,149
Additions	1,621	2,126
Disposals	(1,642)	(735)
Amortization	(49,364)	(50,763)
Exchange rate variation	(2,565)	15,396
Balance at ending	306,325	374,173
Amortizing: \| Supplier contract
Amortizing and Non-Amortizing
Balance as beginning	18,513	20,548
Additions	492	0
Disposals	(512)	0
Amortization	(2,812)	(2,732)
Exchange rate variation	837	2,091
Balance at ending	16,518	19,907
Amortizing: \| Concession Agreement
Amortizing and Non-Amortizing
Balance as beginning	575
Additions	14,754
Disposals	(10,252)
Amortization	(4,937)
Exchange rate variation	(140)
Balance at ending	0
Amortizing: \| Others
Amortizing and Non-Amortizing
Balance as beginning	5,816	13,975
Additions	18	2,268
Disposals	(4,158)	(4,471)
Amortization	(90)	(5,057)
Exchange rate variation	579	1,759
Balance at ending	2,165	8,474
Non-amortizing: \| Trademarks
Amortizing and Non-Amortizing
Balance as beginning	1,102,299	1,025,095
Additions	523	570
Disposals	0	0
Amortization	0	0
Exchange rate variation	5,937	72,337
Balance at ending	1,108,759	1,098,002
Non-amortizing: \| Water rights
Amortizing and Non-Amortizing
Balance as beginning	11,558	11,302
Additions	3,200	0
Disposals	0	0
Amortization	0	0
Exchange rate variation	161	169
Balance at ending	$ 14,919	$ 11,471