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Other Comprehensive Income (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015
Pre-Tax Amount [Member] |  |
Schedule Of Other Comprehesive Income [Line Items] |  |
Unrealized Net Holding Gain (Loss) On All Other Securitiies | $ (4,412) | $ (785)
Reclassification adjustment for loss (gain) on securities recognized in earnings | 221 | (16)
Other Comprehensive Income (Loss) | (4,191) | (801)
Tax Benefit (Expense) [Member] |  |
Schedule Of Other Comprehesive Income [Line Items] |  |
Unrealized Net Holding Gain (Loss) On All Other Securitiies | 1,628 | 289
Reclassification adjustment for loss (gain) on securities recognized in earnings | (82) | 6
Other Comprehensive Income (Loss) | 1,546 | 295
Net Of Tax Amount [Member] |  |
Schedule Of Other Comprehesive Income [Line Items] |  |
Unrealized Net Holding Gain (Loss) On All Other Securitiies | (2,784) | (496)
Reclassification adjustment for loss (gain) on securities recognized in earnings | 139 | (10)
Other Comprehensive Income (Loss) | $ (2,645) | $ (506)

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