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Commitments and contingencies - Summary of assessments (Details)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
USD ($)
Disclosure of Commitments and contingencies [Line Items]  
Tax assessments, Estimated possible losses $ 327,955
Tax Assessments Penalties And Interest Expense 492,337
Amount of tax debt 820,292
Year 2003 - 2005 [Member]  
Disclosure of Commitments and contingencies [Line Items]  
Tax assessments, Estimated possible losses 8,162
Tax Assessments Penalties And Interest Expense 38,870
Amount of tax debt 47,032
Year 2006 [Member]  
Disclosure of Commitments and contingencies [Line Items]  
Tax assessments, Estimated possible losses 10,844
Tax Assessments Penalties And Interest Expense 51,963
Amount of tax debt 62,807
Year 2007 [Member]  
Disclosure of Commitments and contingencies [Line Items]  
Tax assessments, Estimated possible losses 11,579
Tax Assessments Penalties And Interest Expense 22,102
Amount of tax debt 33,681
Year 2008 [Member]  
Disclosure of Commitments and contingencies [Line Items]  
Tax assessments, Estimated possible losses 16,906
Tax Assessments Penalties And Interest Expense 16,923
Amount of tax debt 33,829
Year 2009 [Member]  
Disclosure of Commitments and contingencies [Line Items]  
Tax assessments, Estimated possible losses 56,039
Tax Assessments Penalties And Interest Expense 51,680
Amount of tax debt 107,719
Year 2010 [Member]  
Disclosure of Commitments and contingencies [Line Items]  
Tax assessments, Estimated possible losses 53,566
Tax Assessments Penalties And Interest Expense 126,406
Amount of tax debt 179,972
Year 2011 [Member]  
Disclosure of Commitments and contingencies [Line Items]  
Tax assessments, Estimated possible losses 40,940
Tax Assessments Penalties And Interest Expense 70,065
Amount of tax debt 111,005
Year 2012 [Member]  
Disclosure of Commitments and contingencies [Line Items]  
Tax assessments, Estimated possible losses 869
Tax Assessments Penalties And Interest Expense 7,326
Amount of tax debt 8,195
Year 2013 [Member]  
Disclosure of Commitments and contingencies [Line Items]  
Tax assessments, Estimated possible losses 48,622
Tax Assessments Penalties And Interest Expense 71,620
Amount of tax debt 120,242
Year 2014 [Member]  
Disclosure of Commitments and contingencies [Line Items]  
Tax assessments, Estimated possible losses 5,344
Tax Assessments Penalties And Interest Expense 706
Amount of tax debt 6,050
Year 2015 [Member]  
Disclosure of Commitments and contingencies [Line Items]  
Tax assessments, Estimated possible losses 3,001
Tax Assessments Penalties And Interest Expense 23,816
Amount of tax debt 26,817
Year 2016 [Member]  
Disclosure of Commitments and contingencies [Line Items]  
Tax assessments, Estimated possible losses 61,875
Tax Assessments Penalties And Interest Expense 3,360
Amount of tax debt 65,235
Year 2017 [Member]  
Disclosure of Commitments and contingencies [Line Items]  
Tax assessments, Estimated possible losses 5,043
Tax Assessments Penalties And Interest Expense 3,078
Amount of tax debt 8,121
Year 2018 [Member]  
Disclosure of Commitments and contingencies [Line Items]  
Tax assessments, Estimated possible losses 4,666
Tax Assessments Penalties And Interest Expense 4,250
Amount of tax debt 8,916
Year 2019-2022 [Member]  
Disclosure of Commitments and contingencies [Line Items]  
Tax assessments, Estimated possible losses 499
Tax Assessments Penalties And Interest Expense 172
Amount of tax debt $ 671