XML 96 R47.htm IDEA: XBRL DOCUMENT v3.6.0.2
Balance Sheet Components - Schedule of Cash and Cash Equivalents (Detail) - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Cash And Cash Equivalents [Abstract]        
Cash $ 79,239 $ 75,685    
Money market funds 94,543 77,639    
Total cash and cash equivalents $ 173,782 $ 153,324 $ 165,455 $ 76,332