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Condensed Financial Information - Parent Company Only (Statements Of Income) (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2016 | Sep. 30, 2016 | Jun. 30, 2016 | Mar. 31, 2016 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Tax benefit | $ 426 | $ 1,850 | $ 1,804 | $ 1,796 | $ 5,876 | $ 5,967 | $ 5,914
Net income | $ 2,584 | $ 3,632 | $ 4,311 | $ 4,406 | 14,933 | 15,153 | 14,613
Parent Company [Member] |  |  |  |  |  |  |
Dividend income from subsidiaries |  |  |  |  | 6,473 | 5,407 | 5,697
Equity in undistributed earnings of subsidiaries |  |  |  |  | 10,380 | 11,272 | 10,141
Bankshares expenses |  |  |  |  | (2,949) | (2,183) | (1,705)
Tax benefit |  |  |  |  | 1,029 | 657 | 480
Net income |  |  |  |  | $ 14,933 | $ 15,153 | $ 14,613

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