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Net Income (Loss) Per Share - Additional Information (Detail) | Dec. 31, 2016 $ / shares shares
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Earnings Per Share [Abstract] |
Debt Instrument, Convertible, Conversion Price | $ / shares | $ 5.75
Potential Common Shares Upon Notes Conversion If Only Settled In Shares | shares | 22,304,348

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- Definition The price per share of the conversion feature embedded in the debt instrument. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6928298&loc=SL6031898-161870 + Details
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- References No definition available. + Details
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