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Securities (Narrative) (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2018 USD ($) security issuance | Dec. 31, 2017 USD ($) | Dec. 31, 2016 USD ($)
Debt Securities, Available-for-sale [Line Items] |  |  |
Number Of Issuances Of Securities Exceeding Shareholders Equity Threshold | issuance | 0 |  |
Proceeds from Sale of Debt Securities, Available-for-sale | $ | $ 32,330 | $ 30,403 | $ 124,142
US Government Securities [Member] |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |
Number Of Securities In Unrealized Loss Position | 1 |  |
Number Of Securities In Continuous Loss Position For Twelve Months or More | 1 |  |
Other Securities [Member] |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |
Issuances Of Securities Exceeding Shareholders Equity Threshold, Percent | 10.00% |  |
U.S. Government Agency and Government-Sponsored Enterprise Mortgage-Backed Securities and Collateralized Mortgage Obligations [Member] |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |
Number Of Securities In Unrealized Loss Position | 442 |  |
Number Of Securities In Continuous Loss Position For Twelve Months or More | 397 |  |
Municipal Bonds [Member] |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |
Number Of Securities In Unrealized Loss Position | 408 |  |
Number Of Securities In Continuous Loss Position For Twelve Months or More | 313 |  |
US Government Corporations and Agencies Securities [Member] |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |
Number Of Securities In Unrealized Loss Position | 41 |  |
Number Of Securities In Continuous Loss Position For Twelve Months or More | 39 |  |

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