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Summary of Significant Accounting Policies - Property and Equipment (Details) - USD ($) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2023 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Property, Plant and Equipment [Line Items] |  |  |  |
Property and equipment per unit value, minimum | $ 1,000 | $ 1,000 |  |
Property, plant and equipment, estimated useful life |  | 1 year |  |
Depreciation |  | $ (504,000,000) | $ (527,800,000) | $ (502,600,000)
Net income |  | $ 547,629,000 | $ 523,672,000 | $ 651,642,000
Basic (in dollars per share) |  | $ 3.59 | $ 3.29 | $ 4.01
Diluted (in dollars per share) |  | $ 3.52 | $ 3.26 | $ 3.93
Software And Hardware |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Estimated Useful Life (in years) | 6 years | 6 years | 5 years |
Service Life |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Depreciation |  | $ 62,700,000 |  |
Net income |  | $ 52,300,000 |  |
Basic (in dollars per share) |  | $ 0.34 |  |
Diluted (in dollars per share) | $ 0.34 |  |  |

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