XML 58 R48.htm IDEA: XBRL DOCUMENT v3.4.0.3
Supplemental Balance Sheet, Income Statement and Cash Flow Information - Investment Income (Details 2) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Investment income (loss)    
Interest and dividend income $ 372 $ 534
Gains (losses) on investments, net (29) 435
Investment income (loss) $ 343 $ 969