XML 44 R30.htm IDEA: XBRL DOCUMENT v3.5.0.2
Balance Sheet Components - Schedule of Cash and Cash Equivalents (Detail) - USD ($)
$ in Thousands
Jun. 30, 2016
Dec. 31, 2015
Jun. 30, 2015
Dec. 31, 2014
Cash And Cash Equivalents [Abstract]        
Cash $ 77,094 $ 75,685    
Money market funds 113,317 77,639    
Total cash and cash equivalents $ 190,411 $ 153,324 $ 236,536 $ 165,455