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Loans and Allowance for Loan Losses (Details 6) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011
Impaired loans without a valuation allowance, Recorded Investment | $ 6,274 | $ 8,196
Impaired loans without a valuation allowance, Unpaid Principal Balance | 6,399 | 8,390
Impaired loans without a valuation allowance, Average Recorded Investment | 8,562 | 11,273
Impaired loans without a valuation allowance, Interest Income Recognized | 306 | 575
Impaired loans with a valuation allowance, Recorded Investment | 8,915 | 17,221
Impaired loans with a valuation allowance, Unpaid Principal Balance | 8,956 | 17,338
Impaired loans with a valuation allowance, Related Allowance | 4,046 | 4,976
Impaired loans with a valuation allowance, Average Recorded Investment | 10,564 | 12,323
Impaired loans with a valuation allowance, Interest Income Recognized | 457 | 1,066
Total impaired loans, Recorded Investment | 15,189 | 25,417
Total impaired loans, Unpaid Principal Balance | 15,355 | 25,728
Total impaired loans,Related Allowance | 4,046 | 4,976
Total impaired loans, Average Recorded Investment | 19,126 | 23,596
Total impaired loans, Interest Income Recognized | 763 | 1,641
Commercial Real Estate Mortgage [Member] |  |
Impaired loans without a valuation allowance, Recorded Investment | 3,406 | 4,354
Impaired loans without a valuation allowance, Unpaid Principal Balance | 3,453 | 4,354
Impaired loans without a valuation allowance, Average Recorded Investment | 4,389 | 5,378
Impaired loans without a valuation allowance, Interest Income Recognized | 180 | 330
Impaired loans with a valuation allowance, Recorded Investment | 5,807 | 9,639
Impaired loans with a valuation allowance, Unpaid Principal Balance | 5,848 | 9,694
Impaired loans with a valuation allowance, Related Allowance | 2,230 | 2,605
Impaired loans with a valuation allowance, Average Recorded Investment | 6,616 | 5,912
Impaired loans with a valuation allowance, Interest Income Recognized | 215 | 645
Consumer Real Estate Mortgage [Member] |  |
Impaired loans without a valuation allowance, Recorded Investment | 513 | 322
Impaired loans without a valuation allowance, Unpaid Principal Balance | 540 | 322
Impaired loans without a valuation allowance, Average Recorded Investment | 1,538 | 3,589
Impaired loans without a valuation allowance, Interest Income Recognized | 52 | 21
Impaired loans with a valuation allowance, Recorded Investment | 1,353 | 6,195
Impaired loans with a valuation allowance, Unpaid Principal Balance | 1,353 | 6,257
Impaired loans with a valuation allowance, Related Allowance | 576 | 1,254
Impaired loans with a valuation allowance, Average Recorded Investment | 2,606 | 5,333
Impaired loans with a valuation allowance, Interest Income Recognized | 61 | 294
Construction and Land Development [Member] |  |
Impaired loans without a valuation allowance, Recorded Investment | 244 | 829
Impaired loans without a valuation allowance, Unpaid Principal Balance | 251 | 1,023
Impaired loans without a valuation allowance, Average Recorded Investment | 358 | 1,099
Impaired loans without a valuation allowance, Interest Income Recognized | 19 | 59
Impaired loans with a valuation allowance, Recorded Investment | 706 | 879
Impaired loans with a valuation allowance, Unpaid Principal Balance | 706 | 879
Impaired loans with a valuation allowance, Related Allowance | 460 | 653
Impaired loans with a valuation allowance, Average Recorded Investment | 642 | 294
Impaired loans with a valuation allowance, Interest Income Recognized | 49 | 62
Commercial and Industrial Loans [Member] |  |
Impaired loans without a valuation allowance, Recorded Investment | 2,111 | 2,691
Impaired loans without a valuation allowance, Unpaid Principal Balance | 2,155 | 2,691
Impaired loans without a valuation allowance, Average Recorded Investment | 2,277 | 1,207
Impaired loans without a valuation allowance, Interest Income Recognized | 55 | 165
Impaired loans with a valuation allowance, Recorded Investment | 1,049 | 508
Impaired loans with a valuation allowance, Unpaid Principal Balance | 1,049 | 508
Impaired loans with a valuation allowance, Related Allowance | 780 | 464
Impaired loans with a valuation allowance, Average Recorded Investment | 700 | 784
Impaired loans with a valuation allowance, Interest Income Recognized | 132 | 65
Consumer and Other Loans [Member] |  |
Impaired loans without a valuation allowance, Recorded Investment | 0 | 0
Impaired loans without a valuation allowance, Unpaid Principal Balance | 0 | 0
Impaired loans without a valuation allowance, Average Recorded Investment | 0 | 0
Impaired loans without a valuation allowance, Interest Income Recognized | 0 | 0
Impaired loans with a valuation allowance, Recorded Investment | 0 | 0
Impaired loans with a valuation allowance, Unpaid Principal Balance | 0 | 0
Impaired loans with a valuation allowance, Related Allowance | 0 | 0
Impaired loans with a valuation allowance, Average Recorded Investment | 0 | 0
Impaired loans with a valuation allowance, Interest Income Recognized | $ 0 | $ 0

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