XML 80 R67.htm IDEA: XBRL DOCUMENT v3.19.1
Investment Securities (Non-Cash OTTI Credit Losses Recognized in Earnings) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Investment Securities [Abstract]    
Balance of credit-related OTTI, Beginning $ 2,958 $ 3,124
Reduction for increases in cash flows expected to be collected (312) (166)
Balance of credit-related OTTI, Ending $ 2,646 $ 2,958