Stockholders' Equity and Stock Compensation - Summary of Class A Common Stock Repurchase Activities (Detail) - USD ($) $ / shares in Units, $ in Thousands |
12 Months Ended | |
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Dec. 31, 2019 |
Dec. 31, 2018 |
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| Class Of Stock [Line Items] | ||
| Total cost of shares repurchased (in thousands): | $ 30,019 | $ 99,977 |
| Class A Common Stock [Member] | ||
| Class Of Stock [Line Items] | ||
| Shares repurchased | 968,724 | 3,656,277 |
| Average cost per share | $ 30.99 | $ 27.34 |
| Total cost of shares repurchased (in thousands): | $ 30,019 | $ 99,977 |
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- Definition Stock repurchased average cost per share. No definition available.
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Details
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