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Commitments and contingencies - Summary of assessments (Details)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
USD ($)
Disclosure of Commitments and contingencies [Line Items]  
Tax assessments, Estimated possible losses $ 320,924
Tax Assessments Penalties And Interest Expense 476,386
Amount of tax debt 797,310
Year 2003 - 2005 [Member]  
Disclosure of Commitments and contingencies [Line Items]  
Tax assessments, Estimated possible losses 8,684
Tax Assessments Penalties And Interest Expense 39,366
Amount of tax debt 48,050
Year 2006 [Member]  
Disclosure of Commitments and contingencies [Line Items]  
Tax assessments, Estimated possible losses 10,840
Tax Assessments Penalties And Interest Expense 51,955
Amount of tax debt 62,795
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 56,000
Tax Assessments Penalties And Interest Expense 51,604
Amount of tax debt 107,604
Year 2010 [Member]  
Disclosure of Commitments and contingencies [Line Items]  
Tax assessments, Estimated possible losses 53,566
Tax Assessments Penalties And Interest Expense 125,047
Amount of tax debt 178,613
Year 2011 [Member]  
Disclosure of Commitments and contingencies [Line Items]  
Tax assessments, Estimated possible losses 40,802
Tax Assessments Penalties And Interest Expense 66,506
Amount of tax debt 107,308
Year 2012 [Member]  
Disclosure of Commitments and contingencies [Line Items]  
Tax assessments, Estimated possible losses 869
Tax Assessments Penalties And Interest Expense 6,917
Amount of tax debt 7,786
Year 2013 [Member]  
Disclosure of Commitments and contingencies [Line Items]  
Tax assessments, Estimated possible losses 48,402
Tax Assessments Penalties And Interest Expense 65,849
Amount of tax debt 114,251
Year 2014 [Member]  
Disclosure of Commitments and contingencies [Line Items]  
Tax assessments, Estimated possible losses 5,434
Tax Assessments Penalties And Interest Expense 724
Amount of tax debt 6,158
Year 2015 [Member]  
Disclosure of Commitments and contingencies [Line Items]  
Tax assessments, Estimated possible losses 2,986
Tax Assessments Penalties And Interest Expense 23,205
Amount of tax debt 26,191
Year 2016 [Member]  
Disclosure of Commitments and contingencies [Line Items]  
Tax assessments, Estimated possible losses 60,041
Tax Assessments Penalties And Interest Expense 3,268
Amount of tax debt 63,309
Year 2017 [Member]  
Disclosure of Commitments and contingencies [Line Items]  
Tax assessments, Estimated possible losses 4,815
Tax Assessments Penalties And Interest Expense 2,920
Amount of tax debt $ 7,735