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Loans and Allowance for Loan Losses (Details 5) (USD $) In Thousands, unless otherwise specified | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2013 | Dec. 31, 2012
Impaired loans without a valuation allowance, Recorded Investment | $ 8,255 | $ 6,274
Impaired loans without a valuation allowance, Unpaid Principal Balance | 8,530 | 6,399
Impaired loans without a valuation allowance, Related Allowance | 0 | 0
Impaired loans without a valuation allowance, Average Recorded Investment | 8,761 | 8,562
Impaired loans without a valuation allowance, Interest Income Recognized | 298 | 306
Impaired loans with a valuation allowance, Recorded Investment | 4,165 | 8,915
Impaired loans with a valuation allowance, Unpaid Principal Balance | 4,240 | 8,956
Impaired loans with a valuation allowance, Related Allowance | 898 | 4,046
Impaired loans with a valuation allowance, Average Recorded Investment | 6,816 | 10,564
Impaired loans with a valuation allowance, Interest Income Recognized | 213 | 457
Total impaired loans, Recorded Investment | 12,420 | 15,189
Total impaired loans, Unpaid Principal Balance | 12,770 | 15,355
Total impaired loans, Related Allowance | 898 | 4,046
Total impaired loans, Average Recorded Investment | 15,577 | 19,126
Total impaired loans, Interest Income Recognized | 511 | 763
Commercial Real Estate Mortgage [Member] |  |
Impaired loans without a valuation allowance, Recorded Investment | 4,578 | 3,406
Impaired loans without a valuation allowance, Unpaid Principal Balance | 4,797 | 3,453
Impaired loans without a valuation allowance, Related Allowance | 0 | 0
Impaired loans without a valuation allowance, Average Recorded Investment | 4,683 | 4,389
Impaired loans without a valuation allowance, Interest Income Recognized | 183 | 180
Impaired loans with a valuation allowance, Recorded Investment | 2,868 | 5,807
Impaired loans with a valuation allowance, Unpaid Principal Balance | 2,943 | 5,848
Impaired loans with a valuation allowance, Related Allowance | 682 | 2,230
Impaired loans with a valuation allowance, Average Recorded Investment | 4,670 | 6,616
Impaired loans with a valuation allowance, Interest Income Recognized | 126 | 215
Consumer Real Estate Mortgage [Member] |  |
Impaired loans without a valuation allowance, Recorded Investment | 2,066 | 513
Impaired loans without a valuation allowance, Unpaid Principal Balance | 2,066 | 540
Impaired loans without a valuation allowance, Related Allowance | 0 | 0
Impaired loans without a valuation allowance, Average Recorded Investment | 1,854 | 1,538
Impaired loans without a valuation allowance, Interest Income Recognized | 73 | 52
Impaired loans with a valuation allowance, Recorded Investment | 895 | 1,353
Impaired loans with a valuation allowance, Unpaid Principal Balance | 895 | 1,353
Impaired loans with a valuation allowance, Related Allowance | 134 | 576
Impaired loans with a valuation allowance, Average Recorded Investment | 1,110 | 2,606
Impaired loans with a valuation allowance, Interest Income Recognized | 49 | 61
Construction and Land Development [Member] |  |
Impaired loans without a valuation allowance, Recorded Investment | 258 | 244
Impaired loans without a valuation allowance, Unpaid Principal Balance | 271 | 251
Impaired loans without a valuation allowance, Related Allowance | 0 | 0
Impaired loans without a valuation allowance, Average Recorded Investment | 349 | 358
Impaired loans without a valuation allowance, Interest Income Recognized | 11 | 19
Impaired loans with a valuation allowance, Recorded Investment | 0 | 706
Impaired loans with a valuation allowance, Unpaid Principal Balance | 0 | 706
Impaired loans with a valuation allowance, Related Allowance | 0 | 460
Impaired loans with a valuation allowance, Average Recorded Investment | 296 | 642
Impaired loans with a valuation allowance, Interest Income Recognized | 0 | 49
Commercial and Industrial Loans [Member] |  |
Impaired loans without a valuation allowance, Recorded Investment | 1,353 | 2,111
Impaired loans without a valuation allowance, Unpaid Principal Balance | 1,396 | 2,155
Impaired loans without a valuation allowance, Related Allowance | 0 | 0
Impaired loans without a valuation allowance, Average Recorded Investment | 1,875 | 2,277
Impaired loans without a valuation allowance, Interest Income Recognized | 31 | 55
Impaired loans with a valuation allowance, Recorded Investment | 402 | 1,049
Impaired loans with a valuation allowance, Unpaid Principal Balance | 402 | 1,049
Impaired loans with a valuation allowance, Related Allowance | 82 | 780
Impaired loans with a valuation allowance, Average Recorded Investment | 740 | 700
Impaired loans with a valuation allowance, Interest Income Recognized | $ 38 | $ 132

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