Quarterly report pursuant to Section 13 or 15(d)

Merger and Acquisition - Schedule of Unaudited Pro Forma Results (Detail)

v3.7.0.1
Merger and Acquisition - Schedule of Unaudited Pro Forma Results (Detail) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Business Acquisition [Line Items]    
Revenues $ 0 $ 0
Net loss attributable to common stockholders $ (145,091) $ (19,038)
Net loss per basic share $ (0.92) $ (0.37)
Basic and diluted weighted average common shares outstanding 157,618 50,878
As Reported [Member]    
Business Acquisition [Line Items]    
Revenues $ 0 $ 0
Net loss attributable to common stockholders $ (141,349) $ (7,193)
Net loss per basic share $ (0.92) $ (0.16)
Basic and diluted weighted average common shares outstanding 154,213 44,393
Pro Forma Adjustment [Member]    
Business Acquisition [Line Items]    
Revenues $ 0 $ 0
Net loss attributable to common stockholders $ (3,742) (11,364)
Pro Forma Adjustment [Member] | Parallax Services [Member]    
Business Acquisition [Line Items]    
Net loss attributable to common stockholders   $ (481)