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Stockholders' Equity - Additional Information (Detail) - $ / shares |  | 3 Months Ended | 23 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Sep. 14, 2020 | Mar. 31, 2020 | Sep. 30, 2019 | Jun. 30, 2019 | Mar. 31, 2019 | Dec. 31, 2019 | Sep. 30, 2020 | Jul. 29, 2020 | Apr. 29, 2020 | Feb. 19, 2020
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |  |  |  |  |
Common stock, shares authorized |  |  |  |  |  | 180,000,000 | 180,000,000 |  | 180,000,000 | 120,000,000
Common stock, par value |  |  |  |  |  | $ 0.01 | $ 0.01 | $ 0.01 |  |
Common Stock [Member] |  |  |  |  |  |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |  |  |  |  |
Number of shares repurchased by the Company |  | 884,018 | 249,960 | 250,302 | 249,978 |  |  |  |  |
Description of stock split | two-for-one stock split |  |  |  |  |  |  |  |  |
Stock Repurchase Programs [Member] |  |  |  |  |  |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |  |  |  |  |
Common stock repurchase program, authorized shares |  |  |  |  |  |  | 11,600,000 |  |  |
Number of shares repurchased by the Company |  |  |  |  |  | 2,800,000 |  |  |  |

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