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Income taxes (Foreign rate differential by tax jurisdiction) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Income Tax Disclosure [Line Items] |  |  |
Pre-tax income (loss) | $ 1,266,495 | $ (134,732) | $ 1,333,046
Local statutory tax rate | 12.50% | 12.50% | 12.50%
Tax variance as a result of global activities | $ 4,914 | $ (390) | $ 1,083
Permanent differences | (118,578) | (179,886) | 7,596
Income (loss) before income taxes and income of investments accounted for under the equity method | 1,147,917 | (314,618) | 1,340,642
Non-deductible expenses | 19,100 |  |
Non-taxable income | 18,900 |  |
Other permanent differences | 7,400 |  |
Ireland |  |  |
Income Tax Disclosure [Line Items] |  |  |
Pre-tax income (loss) | $ 1,201,968 | $ (160,739) | $ 1,324,100
Local statutory tax rate | 12.50% | 12.50% | 12.50%
Variance to Irish statutory tax rate of 12.5% | 0.00% | 0.00% | 0.00%
Tax variance as a result of global activities | $ 0 | $ 0 | $ 0
Income (loss) before income taxes and income of investments accounted for under the equity method | 1,084,000 |  |
United States |  |  |
Income Tax Disclosure [Line Items] |  |  |
Pre-tax income (loss) | $ 42,253 | $ 101,339 | $ (30,041)
Local statutory tax rate | 21.00% | 21.00% | 21.00%
Variance to Irish statutory tax rate of 12.5% | 8.50% | 8.50% | 8.50%
Tax variance as a result of global activities | $ 3,592 | $ 8,614 | $ (2,553)
Other |  |  |
Income Tax Disclosure [Line Items] |  |  |
Pre-tax income (loss) | $ 22,274 | $ (75,332) | $ 38,987
Local statutory tax rate | 18.40% | 24.50% | 21.80%
Variance to Irish statutory tax rate of 12.5% | 5.90% | 12.00% | 9.30%
Tax variance as a result of global activities | $ 1,322 | $ (9,004) | $ 3,636
Non-deductible expenses | 152,800 |  |
Non-taxable income | 151,200 |  |
Other permanent differences | $ 116,900 |  |

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- Definition Percentage of domestic federal statutory tax rate applicable to pretax income (loss). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 6.I.Fact.4) -URI http://asc.fasb.org/extlink&oid=122134291&loc=d3e330036-122817 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(h)(2)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32687-109319 + Details
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