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Investment Securities Schedule of Realized Gain (Loss) (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Available-for-sale Securities        
Proceeds $ 0 $ 0 $ 8,785 $ 0
Gross gains 0   45  
Gross losses 0   (37)  
Net gains on sales of investment securities AFS $ 0 $ 0 $ 8 $ 0