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Allowance For Loan Losses (Impaired Loans By Class) (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2012 | Jun. 30, 2012 | Dec. 31, 2011
Financing Receivable, Impaired [Line Items] |  |  |
Unpaid Principal Balance | $ 17,909 | $ 17,909 | $ 19,890
Recorded Investment | 17,967 | 17,967 | 19,955
Related Allowance | 3,553 | 3,553 | 4,233
Average Recorded Investment | 18,700 | 18,736 | 20,871
Interest Income Recognized | 228 | 454 | 846
Commercial [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Unpaid Principal Balance | 247 | 247 | 599
Recorded Investment | 247 | 247 | 605
Related Allowance | 247 | 247 | 544
Average Recorded Investment |  | 248 | 604
Interest Income Recognized |  | 8 | 26
Commercial Real Estate [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Unpaid Principal Balance | 6,037 | 6,037 | 6,185
Recorded Investment | 6,054 | 6,054 | 6,220
Related Allowance | 294 | 294 | 150
Average Recorded Investment |  | 6,402 | 6,326
Interest Income Recognized |  | 193 | 306
Construction And Farmland [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Unpaid Principal Balance | 3,347 | 3,347 | 3,358
Recorded Investment | 3,368 | 3,368 | 3,367
Related Allowance | 1,430 | 1,430 | 1,468
Average Recorded Investment |  | 3,379 | 3,478
Interest Income Recognized |  | 66 | 168
Residential [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Unpaid Principal Balance | 8,278 | 8,278 | 9,748
Recorded Investment | 8,298 | 8,298 | 9,763
Related Allowance | 1,582 | 1,582 | 2,071
Average Recorded Investment |  | 8,707 | 10,463
Interest Income Recognized |  | 187 | 346
Other Loans [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Unpaid Principal Balance |  |  |
Recorded Investment |  |  |
Related Allowance |  |  |
Average Recorded Investment |  |  |
Interest Income Recognized |  |  |
With No Related Allowance [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Unpaid Principal Balance | 9,097 | 9,097 | 8,853
Recorded Investment | 9,121 | 9,121 | 8,881
Average Recorded Investment |  | 9,794 | 9,696
Interest Income Recognized |  | 217 | 360
With No Related Allowance [Member] | Commercial - Non Real Estate Commercial And Industrial [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Unpaid Principal Balance |  |  | 5
Recorded Investment |  |  | 5
Related Allowance |  |  |
Average Recorded Investment |  |  | 2
Interest Income Recognized |  |  |
With No Related Allowance [Member] | Commercial Real Estate Owner Occupied [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Unpaid Principal Balance | 2,454 | 2,454 | 2,521
Recorded Investment | 2,462 | 2,462 | 2,529
Average Recorded Investment |  | 2,675 | 2,575
Interest Income Recognized |  | 68 | 132
With No Related Allowance [Member] | Commercial Real Estate Non-Owner Occupied [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Unpaid Principal Balance | 2,248 | 2,248 | 2,552
Recorded Investment | 2,254 | 2,254 | 2,567
Average Recorded Investment |  | 2,382 | 2,623
Interest Income Recognized |  | 72 | 110
With No Related Allowance [Member] | Construction And Farmland Residential [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Unpaid Principal Balance |  |  |
Recorded Investment |  |  |
Related Allowance |  |  |
Average Recorded Investment |  |  |
Interest Income Recognized |  |  |
With No Related Allowance [Member] | Construction And Farmland Commercial [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Unpaid Principal Balance | 353 | 353 | 361
Recorded Investment | 353 | 353 | 361
Average Recorded Investment |  | 362 | 466
Interest Income Recognized |  | 4 | 21
With No Related Allowance [Member] | Residential Equity Lines [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Unpaid Principal Balance | 171 | 171 | 177
Recorded Investment | 171 | 171 | 177
Average Recorded Investment |  | 189 | 190
With No Related Allowance [Member] | Residential Single Family [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Unpaid Principal Balance | 3,871 | 3,871 | 3,237
Recorded Investment | 3,881 | 3,881 | 3,242
Average Recorded Investment |  | 4,186 | 3,840
Interest Income Recognized |  | 73 | 97
With No Related Allowance [Member] | Residential Multifamily [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Unpaid Principal Balance |  |  |
Recorded Investment |  |  |
Related Allowance |  |  |
Average Recorded Investment |  |  |
Interest Income Recognized |  |  |
With No Related Allowance [Member] | Other Loans [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Unpaid Principal Balance |  |  |
Recorded Investment |  |  |
Related Allowance |  |  |
Average Recorded Investment |  |  |
Interest Income Recognized |  |  |
With An Allowance Recorded [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Unpaid Principal Balance | 8,812 | 8,812 | 11,037
Recorded Investment | 8,846 | 8,846 | 11,074
Related Allowance | 3,553 | 3,553 | 4,233
Average Recorded Investment |  | 8,942 | 11,175
Interest Income Recognized |  | 237 | 486
With An Allowance Recorded [Member] | Commercial - Non Real Estate Commercial And Industrial [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Unpaid Principal Balance | 247 | 247 | 594
Recorded Investment | 247 | 247 | 600
Related Allowance | 247 | 247 | 544
Average Recorded Investment |  | 248 | 602
Interest Income Recognized |  | 8 | 26
With An Allowance Recorded [Member] | Commercial Real Estate Owner Occupied [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Unpaid Principal Balance |  |  |
Recorded Investment |  |  |
Related Allowance |  |  |
Average Recorded Investment |  |  |
Interest Income Recognized |  |  |
With An Allowance Recorded [Member] | Commercial Real Estate Non-Owner Occupied [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Unpaid Principal Balance | 1,335 | 1,335 | 1,112
Recorded Investment | 1,338 | 1,338 | 1,124
Related Allowance | 294 | 294 | 150
Average Recorded Investment |  | 1,345 | 1,128
Interest Income Recognized |  | 53 | 64
With An Allowance Recorded [Member] | Construction And Farmland Residential [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Unpaid Principal Balance |  |  |
Recorded Investment |  |  |
Related Allowance |  |  |
Average Recorded Investment |  |  |
Interest Income Recognized |  |  |
With An Allowance Recorded [Member] | Construction And Farmland Commercial [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Unpaid Principal Balance | 2,994 | 2,994 | 2,997
Recorded Investment | 3,015 | 3,015 | 3,006
Related Allowance | 1,430 | 1,430 | 1,468
Average Recorded Investment |  | 3,017 | 3,012
Interest Income Recognized |  | 62 | 147
With An Allowance Recorded [Member] | Residential Equity Lines [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Unpaid Principal Balance | 399 | 399 | 402
Recorded Investment | 399 | 399 | 404
Related Allowance | 251 | 251 | 325
Average Recorded Investment |  | 403 | 404
Interest Income Recognized |  | 2 | 13
With An Allowance Recorded [Member] | Residential Single Family [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Unpaid Principal Balance | 3,837 | 3,837 | 5,932
Recorded Investment | 3,847 | 3,847 | 5,940
Related Allowance | 1,331 | 1,331 | 1,746
Average Recorded Investment |  | 3,929 | 6,029
Interest Income Recognized |  | 112 | 236
With An Allowance Recorded [Member] | Residential Multifamily [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Unpaid Principal Balance |  |  |
Recorded Investment |  |  |
Related Allowance |  |  |
Average Recorded Investment |  |  |
Interest Income Recognized |  |  |
With An Allowance Recorded [Member] | Other Loans [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Unpaid Principal Balance |  |  |
Recorded Investment |  |  |
Related Allowance |  |  |
Average Recorded Investment |  |  |
Interest Income Recognized |  |  |

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