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Loans and Allowance for Loan Losses (Details 5) (USD $) In Thousands, unless otherwise specified | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2013 | Dec. 31, 2012
Impaired loans without a valuation allowance, Recorded Investment | $ 10,050 | $ 6,274
Impaired loans without a valuation allowance, Unpaid Principal Balance | 10,741 | 6,399
Impaired loans without a valuation allowance, Related Allowance | 0 | 0
Impaired loans without a valuation allowance, Average Recorded Investment | 8,930 | 8,562
Impaired loans without a valuation allowance, Interest Income Recognized | 256 | 306
Impaired loans with a valuation allowance, Recorded Investment | 6,921 | 8,915
Impaired loans with a valuation allowance, Unpaid Principal Balance | 6,980 | 8,956
Impaired loans with a valuation allowance, Related Allowance | 3,230 | 4,046
Impaired loans with a valuation allowance, Average Recorded Investment | 7,701 | 10,564
Impaired loans with a valuation allowance, Interest Income Recognized | 202 | 457
Total impaired loans, Recorded Investment | 16,971 | 15,189
Total impaired loans, Unpaid Principal Balance | 17,721 | 15,355
Total impaired loans, Related Allowance | 3,230 | 4,046
Total impaired loans, Average Recorded Investment | 16,631 | 19,126
Total impaired loans, Interest Income Recognized | 458 | 763
Commercial Real Estate Mortgage [Member] |  |
Impaired loans without a valuation allowance, Recorded Investment | 5,324 | 3,406
Impaired loans without a valuation allowance, Unpaid Principal Balance | 5,390 | 3,453
Impaired loans without a valuation allowance, Related Allowance | 0 | 0
Impaired loans without a valuation allowance, Average Recorded Investment | 4,719 | 4,389
Impaired loans without a valuation allowance, Interest Income Recognized | 148 | 180
Impaired loans with a valuation allowance, Recorded Investment | 4,907 | 5,807
Impaired loans with a valuation allowance, Unpaid Principal Balance | 4,965 | 5,848
Impaired loans with a valuation allowance, Related Allowance | 2,573 | 2,230
Impaired loans with a valuation allowance, Average Recorded Investment | 5,271 | 6,616
Impaired loans with a valuation allowance, Interest Income Recognized | 115 | 215
Consumer Real Estate Mortgage [Member] |  |
Impaired loans without a valuation allowance, Recorded Investment | 2,315 | 513
Impaired loans without a valuation allowance, Unpaid Principal Balance | 2,867 | 540
Impaired loans without a valuation allowance, Related Allowance | 0 | 0
Impaired loans without a valuation allowance, Average Recorded Investment | 1,784 | 1,538
Impaired loans without a valuation allowance, Interest Income Recognized | 74 | 52
Impaired loans with a valuation allowance, Recorded Investment | 1,248 | 1,353
Impaired loans with a valuation allowance, Unpaid Principal Balance | 1,248 | 1,353
Impaired loans with a valuation allowance, Related Allowance | 280 | 576
Impaired loans with a valuation allowance, Average Recorded Investment | 1,182 | 2,606
Impaired loans with a valuation allowance, Interest Income Recognized | 47 | 61
Construction and Land Development [Member] |  |
Impaired loans without a valuation allowance, Recorded Investment | 423 | 244
Impaired loans without a valuation allowance, Unpaid Principal Balance | 436 | 251
Impaired loans without a valuation allowance, Related Allowance | 0 | 0
Impaired loans without a valuation allowance, Average Recorded Investment | 379 | 358
Impaired loans without a valuation allowance, Interest Income Recognized | 8 | 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 | 395 | 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 | 1,988 | 2,111
Impaired loans without a valuation allowance, Unpaid Principal Balance | 2,048 | 2,155
Impaired loans without a valuation allowance, Related Allowance | 0 | 0
Impaired loans without a valuation allowance, Average Recorded Investment | 2,048 | 2,277
Impaired loans without a valuation allowance, Interest Income Recognized | 26 | 55
Impaired loans with a valuation allowance, Recorded Investment | 766 | 1,049
Impaired loans with a valuation allowance, Unpaid Principal Balance | 767 | 1,049
Impaired loans with a valuation allowance, Related Allowance | 377 | 780
Impaired loans with a valuation allowance, Average Recorded Investment | 853 | 700
Impaired loans with a valuation allowance, Interest Income Recognized | $ 40 | $ 132

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