Annual report pursuant to Section 13 and 15(d)

MERGER - Schedule of Unaudited Pro Forma Results (Detail)

v3.19.3.a.u2
MERGER - Schedule of Unaudited Pro Forma Results (Detail)
$ / shares in Units, shares in Thousands, $ in Thousands
12 Months Ended
Dec. 31, 2017
USD ($)
$ / shares
shares
Business Combinations [Abstract]  
Pro forma net loss | $ $ (235,201)
Pro forma net loss per basic share | $ / shares $ (1.24)
Pro forma basic and diluted weighted average common shares outstanding | shares 189,246