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Stockholders' Equity - Additional Information (Detail) | 6 Months Ended
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Jun. 30, 2019 $ / shares shares
Equity [Abstract] |
Stock repurchased, shares | 13,000,000
Shares repurchased, average price per share | $ / shares | $ 14.06
Additional shares authorized for purchase | 2,500,000
Maximum shares authorized for repurchase, prior and new announcements and total after new announcement | 5,000,000.0

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- Definition The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan. + References No definition available. + Details
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- Definition The remaining number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan. + References No definition available. + Details
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