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Treasury Stock Acquisition (Detail) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2022 | Mar. 31, 2022 | Jun. 30, 2021 | Jun. 30, 2022
Schedule of Treasury Stock [Line Items] |  |  |  |
Treasury shares at beginning of period |  | 84,128,995 |  | 84,128,995
Treasury Stock Share Other |  |  |  | 3,027
Treasury shares at end of period | 85,504,123 |  |  | 85,504,123
Treasury shares at beginning of period |  | $ 1,372,641 |  | $ 1,372,641
Acquisitions pursuant to long-term incentive plan, cost | $ 23,252 | $ 13 | $ 3,522 |
Treasury Stock Other |  |  |  | 28
Treasury shares at end of period | $ 1,395,906 |  |  | $ 1,395,906
Long Term Incentive Plan |  |  |  |
Schedule of Treasury Stock [Line Items] |  |  |  |
Acquisitions pursuant to long-term incentive plan, shares |  |  |  | 1,372,101
Acquisitions pursuant to long-term incentive plan, cost |  |  |  | $ 23,237

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- Definition Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29,30) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655 + Details
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