XML 82 R67.htm IDEA: XBRL DOCUMENT v3.19.1
3) Investments (Details) - USD ($)
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Dec. 31, 2018
Details      
Average market value over amortized cost 97.50%   96.20%
Other than Temporary Impairment, Credit Losses Recognized in Earnings, Period Increase (Decrease) $ 0 $ 0