XML 38 R43.htm IDEA: XBRL DOCUMENT v3.19.3
Investments (OTTI) (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Investments [Abstract]        
OTTI Charges $ 2,291 $ 1,426 $ 3,366 $ 5,459