Quarterly report pursuant to Section 13 or 15(d)

Net Loss Per Share Attributable To Common Stockholders - Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share (Detail)

v3.7.0.1
Net Loss Per Share Attributable To Common Stockholders - Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share (Detail)
shares in Thousands
3 Months Ended
Mar. 31, 2017
shares
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]  
Potentially dilutive securities excluded from the calculation of diluted shares outstanding 21,902
Restricted Stock [Member]  
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]  
Potentially dilutive securities excluded from the calculation of diluted shares outstanding 16,434
Convertible Preferred Stock [Member]  
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]  
Potentially dilutive securities excluded from the calculation of diluted shares outstanding 5,468