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Other Comprehensive Income (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017
Pre-Tax Amount [Member] |  |
Schedule Of Other Comprehesive Income [Line Items] |  |
Unrealized Net Holding Gain (Loss) On All Other Securitiies | $ (4,269) | $ 417
Reclassification adjustment for loss (gain) on securities recognized in earnings | 0 | (51)
Other Comprehensive Income (Loss) | (4,269) | 366
Tax Benefit (Expense) [Member] |  |
Schedule Of Other Comprehesive Income [Line Items] |  |
Unrealized Net Holding Gain (Loss) On All Other Securitiies | 1,072 | (154)
Reclassification adjustment for loss (gain) on securities recognized in earnings | 0 | 19
Other Comprehensive Income (Loss) | 1,072 | (135)
Net Of Tax Amount [Member] |  |
Schedule Of Other Comprehesive Income [Line Items] |  |
Unrealized Net Holding Gain (Loss) On All Other Securitiies | (3,197) | 263
Reclassification adjustment for loss (gain) on securities recognized in earnings | 0 | (32)
Other Comprehensive Income (Loss) | $ (3,197) | $ 231

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