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Equity - Additional Information (Detail) - USD ($) $ in Thousands |  | 1 Months Ended |
--- | --- | --- | ---
Dec. 11, 2020 | Jun. 30, 2018 | Dec. 31, 2016 | Dec. 31, 2020
Class Of Stock [Line Items] |  |  |  |
Stock repurchase program period |  |  | 3 years |
Stock repurchase program, authorized amount |  |  | $ 100,000 |
Authorized increase and extension in stock repurchase program amount |  | $ 300,000 |  |
Stock repurchase program extended expiration date |  | 2020-12 |  |
Remaining authorized repurchase amount |  |  |  | $ 74,226
2020 Stock Repurchase Program |  |  |  |
Class Of Stock [Line Items] |  |  |  |
Stock repurchase program period | 3 years |  |  |
Stock repurchase program expiration date | Dec. 15, 2023 |  |  |
Maximum | 2020 Stock Repurchase Program |  |  |  |
Class Of Stock [Line Items] |  |  |  |
Stock repurchase program, authorized to repurchase amount | 150,000 |  |  |

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- Definition Stock repurchase program increase and extension in authorized amount. + References No definition available. + Details
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- Definition Amount of stock repurchase plan authorized. + References No definition available. + Details
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- Definition Period which shares may be purchased under a stock repurchase plan authorized by an entity's Board of Directors, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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