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Accumulated Other Comprehensive Income - Schedule of Changes in Accumulated Other Comprehensive Income (AOCI) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2023 | Sep. 30, 2023
Accumulated Other Comprehensive Income Loss [Line Items] |  |
Beginning balance, value | $ 6,123,822 | $ 6,204,340
Ending balance, value | 6,349,280 | 6,349,280
Foreign Currency Translation Adjustment [Member] |  |
Accumulated Other Comprehensive Income Loss [Line Items] |  |
Beginning balance, value | (34,432) | (25,981)
Other comprehensive income (loss) before reclassification, net of income tax expense | (48,342) | (56,793)
Net current-period other comprehensive income (loss) | (48,342) | (56,793)
Ending balance, value | (82,774) | (82,774)
Net Gains (Losses) on Available-for-Sale Securities [Member] |  |
Accumulated Other Comprehensive Income Loss [Line Items] |  |
Beginning balance, value | (80,868) | (88,552)
Other comprehensive income (loss) before reclassification, net of income tax expense | 2,818 | 10,456
Amounts reclassified from accumulated other comprehensive income (loss) to other income, net of income tax benefit | (3) | 43
Net current-period other comprehensive income (loss) | 2,815 | 10,499
Ending balance, value | (78,053) | (78,053)
Accumulated Other Comprehensive Income (Loss) [Member] |  |
Accumulated Other Comprehensive Income Loss [Line Items] |  |
Beginning balance, value | (115,300) | (114,533)
Other comprehensive income (loss) before reclassification, net of income tax expense | (45,524) | (46,337)
Amounts reclassified from accumulated other comprehensive income (loss) to other income, net of income tax benefit | (3) | 43
Net current-period other comprehensive income (loss) | (45,527) | (46,294)
Ending balance, value | $ (160,827) | $ (160,827)

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