XML 73 R59.htm IDEA: XBRL DOCUMENT v3.19.1
Investments (Composition Of Net Realized Securities Gains) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Investments [Abstract]      
Gross gains realized $ 67 $ 3 $ 22
Gross losses realized (11)    
Net gains realized $ 56 $ 3 $ 22