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Stockholders' Equity - Additional Information (Detail) |  | 3 Months Ended |  |
--- | --- | --- | --- | ---
May 02, 2018 shares | Mar. 31, 2019 $ / shares shares | Dec. 31, 2018 shares | Feb. 16, 2018 shares
Equity, Class of Treasury Stock [Line Items] |  |  |  |
Common stock, par value | $ / shares |  | $ 0.01 |  |
Common stock, shares authorized | 80,000,000 | 120,000,000 | 120,000,000 |
Stock split | 0 |  |  |
Stock Repurchase Program [Member] |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |
Common stock repurchase program, authorized shares |  |  |  | 5,800,000
Number of shares repurchased by the Company |  | 584,310 |  |

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