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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, 2015 | Sep. 30, 2015 | Jun. 30, 2015 | Mar. 31, 2015 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Tax benefit |  | $ 1,273 | $ 1,548 | $ 1,515 | $ 1,631 | $ 5,967 | $ 5,914 | $ 5,191
Net income |  | $ 3,468 | $ 3,931 | $ 3,873 | $ 3,881 | 15,153 | 14,613 | 13,183
Parent Company [Member] |  |  |  |  |  |  |  |
Dividend income from subsidiaries |  |  |  |  |  | 5,407 | 5,697 | 4,883
Equity in undistributed earnings of subsidiaries | [1] |  |  |  |  | 11,272 | 10,141 | 9,468
Bankshares expenses |  |  |  |  |  | (2,183) | (1,705) | (1,591)
Tax benefit |  |  |  |  |  | 657 | 480 | 423
Net income |  |  |  |  |  | $ 15,153 | $ 14,613 | $ 13,183
[1] | Amount in parentheses represents the excess of dividends over net income subsidiaries.

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