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Income Taxes (Narrative) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Income Tax Disclosure [Abstract] |  |  |
Provision for income taxes | $ 68,076 | $ 75,671 | $ 98,225
Income before provision for income taxes | $ 456,406 | $ 510,045 | $ 842,827
U.S. federal income tax rate | 21.00% | 21.00% | 21.00%
Net deferred tax assets | $ 61,347 | $ 63,244 |
Deferred tax liabilities | 75,834 | $ 73,864 |
Unrecognized Tax Benefits that Would Impact Effective Tax Rate | 100 |  |
Decrease in Unrecognized Tax Benefits is Reasonably Possible | 100 |  |
Undistributed Earnings of Foreign Subsidiaries | 1,200,000 |  |
Undistributed Earnings of Foreign Subsidiaries Subjected to One Time Transition Fee | $ 1,100,000 |  |

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