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Condensed Financial Information - Parent Company Only (Schedule Of Condensed Income Statement) (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2012 | Sep. 30, 2012 | Jun. 30, 2012 | Mar. 31, 2012 | Dec. 31, 2011 | Sep. 30, 2011 | Jun. 30, 2011 | Mar. 31, 2011 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Interest Expense |  |  |  |  |  |  |  |  |  |  |
Interest expense on borrowings |  |  |  |  |  |  |  |  | $ 1,120 | $ 1,685 | $ 1,844
Income Tax (Benefit) |  |  |  |  |  |  |  |  | 2,559 | 1,371 | 1,019
Net income | 1,581 | 1,253 | 2,002 | 1,714 | 693 | 1,139 | 1,323 | 1,167 | 6,550 | 4,322 | 3,605
Comprehensive income |  |  |  |  |  |  |  |  | 7,067 | 6,043 | 3,723
Parent Company [Member] |  |  |  |  |  |  |  |  |  |  |
Interest and Dividend Income |  |  |  |  |  |  |  |  |  |  |
Dividends from subsidiary bank |  |  |  |  |  |  |  |  | 800 | 1,600 | 1,500
Investment and dividends on securities available for sale |  |  |  |  |  |  |  |  | 257 | 313 | 368
Other income (loss) |  |  |  |  |  |  |  |  | 38 | (108) | 16
Total income |  |  |  |  |  |  |  |  | 1,095 | 1,805 | 1,884
Interest Expense |  |  |  |  |  |  |  |  |  |  |
Interest expense on borrowings |  |  |  |  |  |  |  |  | 318 | 317 | 316
Other operating expenses |  |  |  |  |  |  |  |  | 192 | 179 | 112
Total expenses |  |  |  |  |  |  |  |  | 510 | 496 | 428
Income before income tax (benefit) and equity in undistributed net income of subsidiary bank |  |  |  |  |  |  |  |  | 585 | 1,309 | 1,456
Income Tax (Benefit) |  |  |  |  |  |  |  |  | (75) | (122) | (41)
Income before equity in undistributed net income of subsidiary bank |  |  |  |  |  |  |  |  | 660 | 1,431 | 1,497
Equity in Undistributed Net Income of Subsidiary Bank |  |  |  |  |  |  |  |  | 5,890 | 2,891 | 2,108
Net income |  |  |  |  |  |  |  |  | 6,550 | 4,322 | 3,605
Comprehensive income |  |  |  |  |  |  |  |  | $ 7,067 | $ 6,043 | $ 3,723

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