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Stockholders' Equity - Additional Information (Detail) - USD ($) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2017 | Mar. 31, 2016 | Jun. 02, 2016
Stockholders Equity [Line Items] |  |  |
Value of shares that have been repurchased and retired during the period | $ 36,918,000 |  |
Payment for share repurchase | $ 36,918,000 | $ 2,903,000 |
Stock Repurchase Program |  |  |
Stockholders Equity [Line Items] |  |  |
Board of Directors authorized stock repurchase program |  |  | $ 100,000,000
Number of shares that have been repurchased and retired during the period | 879,585 |  |
Average price per share | $ 41.95 |  |
Value of shares that have been repurchased and retired during the period | $ 36,900,000 |  |
Available amount under repurchase program | 44,500,000 |  |
Payment for share repurchase | $ 36,900,000 |  |
2015 Stock Repurchase Program |  |  |
Stockholders Equity [Line Items] |  |  |
Number of shares that have been repurchased and retired during the period |  | 85,100 |
Average price per share |  | $ 34.12 |
Value of shares that have been repurchased and retired during the period |  | $ 2,900,000 |
Stock repurchase program expiration date |  | May 05, 2016 |

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