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Loans and Allowance for Loan Losses (Details 2) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2013 | Dec. 31, 2012
Loans, 30-59days delinquent and accruing | $ 3,054 | $ 670
Loans, 60-89 days delinquent and accruing | 63 | 1,526
Loans, 90 days or more delinquent and accruing | 0 | 0
Loans, Total past due loans accruing | 3,117 | 2,196
Loans, Non-accrual loans | 7,840 | 9,108
Loans, Total | 10,957 | 11,304
Percent of gross loans, 30-59 days delinquent and accruing | 0.96% | 0.21%
Percent of gross loans, 60-89 days delinquent and accruing | 0.02% | 0.48%
Percent of gross loans, 90 days or more delinquent and accruing | 0.00% | 0.00%
Percentage of gross loans, Total past due loans accruing | 0.98% | 0.69%
Percent of gross loans, Non-accrual loans | 2.46% | 2.84%
Percentage of gross loans, Total | 3.44% | 3.53%
Residential Real Estate [Member] |  |
Loans, 30-59days delinquent and accruing | 2,038 | 282
Loans, 60-89 days delinquent and accruing | 0 | 1,362
Loans, 90 days or more delinquent and accruing | 0 | 0
Loans, Total past due loans accruing | 2,038 | 1,644
Loans, Non-accrual loans | 749 | 731
Loans, Total | 2,787 | 2,375
Construction Loans [Member] |  |
Loans, 30-59days delinquent and accruing | 40 | 18
Loans, 60-89 days delinquent and accruing | 0 | 0
Loans, 90 days or more delinquent and accruing | 0 | 0
Loans, Total past due loans accruing | 40 | 18
Loans, Non-accrual loans | 3,859 | 3,915
Loans, Total | 3,899 | 3,933
Commercial Real Estate [Member] |  |
Loans, 30-59days delinquent and accruing | 568 | 166
Loans, 60-89 days delinquent and accruing | 0 | 82
Loans, 90 days or more delinquent and accruing | 0 | 0
Loans, Total past due loans accruing | 568 | 248
Loans, Non-accrual loans | 2,833 | 2,833
Loans, Total | 3,401 | 3,081
Commercial Loan [Member] |  |
Loans, 30-59days delinquent and accruing | 118 | 62
Loans, 60-89 days delinquent and accruing | 0 | 17
Loans, 90 days or more delinquent and accruing | 0 | 0
Loans, Total past due loans accruing | 118 | 79
Loans, Non-accrual loans | 236 | 1,475
Loans, Total | 354 | 1,554
Agriculture Loans [Member] |  |
Loans, 30-59days delinquent and accruing | 170 | 0
Loans, 60-89 days delinquent and accruing | 0 | 0
Loans, 90 days or more delinquent and accruing | 0 | 0
Loans, Total past due loans accruing | 170 | 0
Loans, Non-accrual loans | 5 | 5
Loans, Total | 175 | 5
Municipal Bonds [Member] |  |
Loans, 30-59days delinquent and accruing | 0 | 0
Loans, 60-89 days delinquent and accruing | 0 | 0
Loans, 90 days or more delinquent and accruing | 0 | 0
Loans, Total past due loans accruing | 0 | 0
Loans, Non-accrual loans | 131 | 131
Loans, Total | 131 | 131
Consumer Loan [Member] |  |
Loans, 30-59days delinquent and accruing | 120 | 142
Loans, 60-89 days delinquent and accruing | 63 | 65
Loans, 90 days or more delinquent and accruing | 0 | 0
Loans, Total past due loans accruing | 183 | 207
Loans, Non-accrual loans | 27 | 18
Loans, Total | $ 210 | $ 225

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