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Supplemental Financial Statement Data (Schedule of Other Operating Cost and Expense, by Component) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Other Income and Expenses [Abstract] |  |  |
Amortization of deferred policy acquisition costs | $ 1,038,903 | $ 961,628 | $ 904,955
Insurance operating expenses | 1,635,000 | 1,345,099 | 1,206,058
Insurance service expenses | 96,419 | 86,003 | 85,724
Net foreign currency (gains) losses | (50,930) | (25,725) | 363
Debt extinguishment costs | 0 | 11,521 | 8,440
Other costs and expenses | 242,113 | 220,744 | 184,852
Total | $ 2,961,505 | $ 2,599,270 | $ 2,390,392

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