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Stockholders' Equity - Treasury Stock Acquisition (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2023 | Jun. 30, 2023 | Mar. 31, 2023 | Jun. 30, 2022 | Mar. 31, 2022 | Sep. 30, 2023
Schedule of Treasury Stock [Line Items] |  |  |  |  |  |
Treasury shares, shares at beginning of period |  |  | 88,758,722 |  |  | 88,758,722
Treasury shares, cost at beginning of period |  |  | $ 1,453,079 |  |  | $ 1,453,079
Purchases pursuant to stock buyback program, cost | $ 23,371 | $ 27,320 | $ 74,307 | $ 23,252 | $ 13 |
Treasury shares, shares at end of period | 98,541,611 |  |  |  |  | 98,541,611
Treasury shares, cost at end of period | $ 1,578,077 |  |  |  |  | $ 1,578,077
2013 program |  |  |  |  |  |
Schedule of Treasury Stock [Line Items] |  |  |  |  |  |
Purchases pursuant to stock buyback program, shares |  |  |  |  |  | 7,426,044
Purchases pursuant to stock buyback program, cost |  |  |  |  |  | $ 93,276
Long-term Incentive Plans |  |  |  |  |  |
Schedule of Treasury Stock [Line Items] |  |  |  |  |  |
Purchases pursuant to stock buyback program, shares |  |  |  |  |  | 2,356,845
Purchases pursuant to stock buyback program, cost |  |  |  |  |  | $ 31,722

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