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Stockholders' Equity - Summary of Transactions Relating to Common Stock (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Common Stock Outstanding Roll Forward [Roll Forward] |  |  |
Payments for purchases of treasury stock | $ 1,655,547 | $ 176,302 | $ 199,042
Common Stock |  |  |
Common Stock Outstanding Roll Forward [Roll Forward] |  |  |
Beginning balance (in shares) | 163,602,067 | 163,602,067 | 163,602,067
Issuances under stock plans (in shares) | 0 | 0 | 0
Purchases for treasury (in shares) | 0 | 0 | 0
Ending balance (in shares) | 163,602,067 | 163,602,067 | 163,602,067
Treasury Stock |  |  |
Common Stock Outstanding Roll Forward [Roll Forward] |  |  |
Beginning balance (in shares) | 74,759,985 | 74,444,288 | 73,899,977
Issuances under stock plans (in shares) | (807,320) | (820,065) | (825,115)
Purchases for treasury (in shares) | 7,252,839 | 1,135,762 | 1,369,426
Ending balance (in shares) | 81,205,504 | 74,759,985 | 74,444,288

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