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Stockholders' Equity - Treasury Stock Acquisition (Detail) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2023 | Mar. 31, 2023 | Jun. 30, 2022 | Mar. 31, 2022 | Jun. 30, 2023
Schedule of Treasury Stock [Line Items] |  |  |  |  |
Treasury shares at beginning of period |  | 88,758,722 |  |  | 88,758,722
Treasury shares at beginning of period |  | $ 1,453,079 |  |  | $ 1,453,079
Purchases pursuant to stock buyback program, cost | $ 27,320 | $ 74,307 | $ 23,252 | $ 13 |
Treasury shares at end of period | 96,934,050 |  |  |  | 96,934,050
Treasury shares at end of period | $ 1,554,706 |  |  |  | $ 1,554,706
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 Plan |  |  |  |  |
Schedule of Treasury Stock [Line Items] |  |  |  |  |
Purchases pursuant to stock buyback program, shares |  |  |  |  | 749,284
Purchases pursuant to stock buyback program, cost |  |  |  |  | $ 8,351

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