XML 46 R30.htm IDEA: XBRL DOCUMENT v3.8.0.1
Intangible assets, net - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Finite-Lived Intangible Assets [Line Items]        
Write-off of long-lived assets   $ 4,055 $ 3,626 $ 4,055
Amortization expenses $ 3,362 $ 3,333 9,931 $ 8,726
Software Developed for Internal Use [Member]        
Finite-Lived Intangible Assets [Line Items]        
Intangible assets that have not started amortization $ 3,444   3,444  
Q Interactive Acquisition [Member] | Acquired Proprietary Technology and Trade Names [Member]        
Finite-Lived Intangible Assets [Line Items]        
Write-off of long-lived assets     $ 3,626