XML 48 R38.htm IDEA: XBRL DOCUMENT v3.5.0.2
Fair Value Measurements Narrative (Details) - USD ($)
$ in Thousands
Jun. 30, 2016
Dec. 31, 2015
Cash and cash equivalents $ 153,860 $ 172,628
Money Market Funds [Member]    
Cash and cash equivalents $ 146,800 $ 162,200