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Acquisitions and Dispositions - Schedule of Unaudited Pro Forma Financial Information (Detail) - Newport [Member] $ / shares in Units, $ in Thousands | 12 Months Ended
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Dec. 31, 2016 USD ($) $ / shares
Acquisition Date [Line Items] |
Total net revenues | $ | $ 1,475,637
Net income | $ | $ 111,076
Net income per share: |
Basic | $ / shares | $ 2.08
Diluted | $ / shares | $ 2.06

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