Investment Securities (Gains and Losses on Sales) (Details 3) - USD ($) $ in Thousands |
12 Months Ended | ||
---|---|---|---|
Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
|
Investments, Debt and Equity Securities [Abstract] | |||
Gross Gains on Sales of Investment Securities | $ 12,467 | $ 11,180 | $ 11,640 |
Gross Losses on Sales of Investment Securities | (2,037) | (977) | (1,480) |
Net Gains on Sales of Investment Securities | 10,430 | 10,203 | 10,160 |
Tax on Sale of Investment Securities | $ 4,100 | $ 4,000 | $ 4,000 |