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Loans And Allowance For Loan Losses (Impaired Loans) (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011
Financing Receivable, Impaired [Line Items] |  |
Totals: Recorded Investment | $ 22,338 | $ 25,344
Totals: Unpaid Principal Balance | 23,897 | 28,632
Totals: Related Allowance | 1,537 | 1,983
Totals: Average Recorded Investment | 23,845 | 31,960
Totals: Interest Income Recognized | 1,114 | 1,068
Commercial Loan [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
With No Related Allowance Recorded: Recorded Investment | 2,530 | 3,357
With No Related Allowance Recorded: Unpaid Principal Balance | 2,683 | 3,570
With No Related Allowance Recorded: Related Allowance |  |
With No Related Allowance Recorded: Average Recorded Investment | 2,944 | 8,978
With No Related Allowance Recorded: Interest Income Recognized | 30 | 118
With An Allowance Recorded: Recorded Investment | 620 | 2,968
With An Allowance Recorded: Unpaid Principal Balance | 780 | 3,052
With An Allowance Recorded: Related Allowance | 373 | 440
With An Allowance Recorded: Average Recorded Investment | 1,794 | 2,170
With An Allowance Recorded: Interest Income Recognized | 42 | 106
Totals: Recorded Investment | 3,150 | 6,325
Totals: Unpaid Principal Balance | 3,463 | 6,622
Totals: Related Allowance | 373 | 440
Totals: Average Recorded Investment | 4,738 | 11,147
Totals: Interest Income Recognized | 72 | 224
Commercial Mortgages-Owner Occupied [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
With No Related Allowance Recorded: Recorded Investment | 2,592 | 2,211
With No Related Allowance Recorded: Unpaid Principal Balance | 2,754 | 3,108
With No Related Allowance Recorded: Related Allowance |  |
With No Related Allowance Recorded: Average Recorded Investment | 2,402 | 2,457
With No Related Allowance Recorded: Interest Income Recognized | 167 | 124
With An Allowance Recorded: Recorded Investment | 3,671 | 2,516
With An Allowance Recorded: Unpaid Principal Balance | 3,869 | 2,686
With An Allowance Recorded: Related Allowance | 525 | 555
With An Allowance Recorded: Average Recorded Investment | 3,094 | 3,815
With An Allowance Recorded: Interest Income Recognized | 226 | 137
Totals: Recorded Investment | 6,263 | 4,727
Totals: Unpaid Principal Balance | 6,623 | 5,794
Totals: Related Allowance | 525 | 555
Totals: Average Recorded Investment | 5,496 | 6,272
Totals: Interest Income Recognized | 393 | 261
Commercial Mortgages-Non-Owner Occupied [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
With No Related Allowance Recorded: Recorded Investment | 6,369 | 4,880
With No Related Allowance Recorded: Unpaid Principal Balance | 6,528 | 5,170
With No Related Allowance Recorded: Related Allowance |  |
With No Related Allowance Recorded: Average Recorded Investment | 5,625 | 5,418
With No Related Allowance Recorded: Interest Income Recognized | 330 | 227
With An Allowance Recorded: Recorded Investment | 840 | 2,590
With An Allowance Recorded: Unpaid Principal Balance | 842 | 3,129
With An Allowance Recorded: Related Allowance | 189 | 228
With An Allowance Recorded: Average Recorded Investment | 1,715 | 1,858
With An Allowance Recorded: Interest Income Recognized | 42 | 117
Totals: Recorded Investment | 7,209 | 7,470
Totals: Unpaid Principal Balance | 7,370 | 8,299
Totals: Related Allowance | 189 | 228
Totals: Average Recorded Investment | 7,340 | 7,275
Totals: Interest Income Recognized | 372 | 344
Commercial Construction [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
With No Related Allowance Recorded: Recorded Investment | 740 | 1,103
With No Related Allowance Recorded: Unpaid Principal Balance | 742 | 1,103
With No Related Allowance Recorded: Related Allowance |  |
With No Related Allowance Recorded: Average Recorded Investment | 922 | 984
With No Related Allowance Recorded: Interest Income Recognized | 52 | 38
With An Allowance Recorded: Recorded Investment | 823 | 1,700
With An Allowance Recorded: Unpaid Principal Balance | 1,048 | 1,964
With An Allowance Recorded: Related Allowance | 94 | 275
With An Allowance Recorded: Average Recorded Investment | 1,262 | 2,454
With An Allowance Recorded: Interest Income Recognized | 2 | 42
Totals: Recorded Investment | 1,563 | 2,803
Totals: Unpaid Principal Balance | 1,790 | 3,067
Totals: Related Allowance | 94 | 275
Totals: Average Recorded Investment | 2,184 | 3,438
Totals: Interest Income Recognized | 54 | 80
Consumer Unsecured [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
With No Related Allowance Recorded: Related Allowance |  |
With An Allowance Recorded: Recorded Investment | 1 |
With An Allowance Recorded: Unpaid Principal Balance | 1 |
With An Allowance Recorded: Related Allowance | 1 |
With An Allowance Recorded: Average Recorded Investment | 1 | 286
Totals: Recorded Investment | 1 |
Totals: Unpaid Principal Balance | 1 |
Totals: Related Allowance | 1 |
Totals: Average Recorded Investment | 1 | 286
Consumer Secured [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
With No Related Allowance Recorded: Recorded Investment | 469 | 293
With No Related Allowance Recorded: Unpaid Principal Balance | 554 | 642
With No Related Allowance Recorded: Related Allowance |  |
With No Related Allowance Recorded: Average Recorded Investment | 381 | 330
With No Related Allowance Recorded: Interest Income Recognized | 34 | 6
With An Allowance Recorded: Recorded Investment | 530 | 942
With An Allowance Recorded: Unpaid Principal Balance | 530 | 1,021
With An Allowance Recorded: Related Allowance | 195 | 357
With An Allowance Recorded: Average Recorded Investment | 736 | 699
With An Allowance Recorded: Interest Income Recognized | 35 | 49
Totals: Recorded Investment | 999 | 1,235
Totals: Unpaid Principal Balance | 1,084 | 1,663
Totals: Related Allowance | 195 | 357
Totals: Average Recorded Investment | 1,117 | 1,029
Totals: Interest Income Recognized | 69 | 55
Residential Mortgages [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
With No Related Allowance Recorded: Recorded Investment | 2,138 | 862
With No Related Allowance Recorded: Unpaid Principal Balance | 2,263 | 1,007
With No Related Allowance Recorded: Related Allowance |  |
With No Related Allowance Recorded: Average Recorded Investment | 1,500 | 633
With No Related Allowance Recorded: Interest Income Recognized | 112 | 15
With An Allowance Recorded: Recorded Investment | 1,015 | 1,922
With An Allowance Recorded: Unpaid Principal Balance | 1,303 | 2,180
With An Allowance Recorded: Related Allowance | 160 | 128
With An Allowance Recorded: Average Recorded Investment | 1,469 | 1,847
With An Allowance Recorded: Interest Income Recognized | 42 | 89
Totals: Recorded Investment | 3,153 | 2,784
Totals: Unpaid Principal Balance | 3,566 | 3,187
Totals: Related Allowance | 160 | 128
Totals: Average Recorded Investment | 2,969 | 2,480
Totals: Interest Income Recognized | 154 | 104
Residential Consumer Construction [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
With No Related Allowance Recorded: Related Allowance |  |
With No Related Allowance Recorded: Average Recorded Investment |  | 33
With An Allowance Recorded: Related Allowance |  |
Totals: Related Allowance |  |
Totals: Average Recorded Investment |  | $ 33

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