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Income taxes (Provision for income taxes by tax jurisdiction) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Income Tax Disclosure [Line Items] |  |  |
Deferred tax (benefit) expense | $ (17,326) | $ (25,914) | $ 180,435
Deferred tax (benefit) expense related to the net change in valuation allowance | 11,421 | 5,032 | (17,937)
Current tax expense (benefit) | 168,442 | 3,651 | 5,216
Income tax expense (benefit) | 162,537 | (17,231) | 167,714
Ireland |  |  |
Income Tax Disclosure [Line Items] |  |  |
Deferred tax (benefit) expense | (26,968) | (31,387) | 154,134
Deferred tax (benefit) expense related to the net change in valuation allowance | 3,128 | 1,882 | 2,358
Current tax expense (benefit) | 160,866 | 0 | 0
United States |  |  |
Income Tax Disclosure [Line Items] |  |  |
Deferred tax (benefit) expense | 7,566 | 6,180 | 11,327
Deferred tax (benefit) expense related to the net change in valuation allowance | 109 | 12,085 | (18,425)
Current tax expense (benefit) | 1,198 | 3,016 | 789
Other |  |  |
Income Tax Disclosure [Line Items] |  |  |
Deferred tax (benefit) expense | 2,076 | (707) | 14,974
Deferred tax (benefit) expense related to the net change in valuation allowance | 8,184 | (8,935) | (1,870)
Current tax expense (benefit) | $ 6,378 | $ 635 | $ 4,427

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