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Loans (Details 9) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011
Residential [Member] |  |
Loans individually evaluated for impairment by portfolio segment of loans |  |
Recorded Investment | $ 647 | $ 522
Unpaid Principal Balance | 748 | 547
Related Allowance | 70 | 54
YTD Average Recorded Investment | 723 | 564
YTD Interest Income Recognized | 13 | 36
Residential [Member] | With no related allowance recorded [Member] |  |
Loans individually evaluated for impairment by portfolio segment of loans |  |
Recorded Investment | 236 | 239
Unpaid Principal Balance | 236 | 239
Related Allowance |  |
YTD Average Recorded Investment | 269 | 195
YTD Interest Income Recognized | 12 | 36
Residential [Member] | With a specific allowance recorded [Member] |  |
Loans individually evaluated for impairment by portfolio segment of loans |  |
Recorded Investment | 411 | 283
Unpaid Principal Balance | 512 | 308
Related Allowance | 70 | 54
YTD Average Recorded Investment | 454 | 369
YTD Interest Income Recognized | 1 |
Agricultural Real Estate [Member] |  |
Loans individually evaluated for impairment by portfolio segment of loans |  |
Recorded Investment |  |
Unpaid Principal Balance |  |
Related Allowance |  |
YTD Average Recorded Investment |  | 180
YTD Interest Income Recognized |  | 15
Agricultural Real Estate [Member] | With no related allowance recorded [Member] |  |
Loans individually evaluated for impairment by portfolio segment of loans |  |
Recorded Investment |  |
Unpaid Principal Balance |  |
Related Allowance |  |
YTD Average Recorded Investment |  | 180
YTD Interest Income Recognized |  | 15
Agricultural Real Estate [Member] | With a specific allowance recorded [Member] |  |
Loans individually evaluated for impairment by portfolio segment of loans |  |
Recorded Investment |  |
Unpaid Principal Balance |  |
Related Allowance |  |
YTD Average Recorded Investment |  |
YTD Interest Income Recognized |  |
Agricultural [Member] |  |
Loans individually evaluated for impairment by portfolio segment of loans |  |
Recorded Investment |  |
Unpaid Principal Balance |  |
Related Allowance |  |
YTD Average Recorded Investment |  | 2,683
YTD Interest Income Recognized |  | 1,156
Agricultural [Member] | With no related allowance recorded [Member] |  |
Loans individually evaluated for impairment by portfolio segment of loans |  |
Recorded Investment |  |
Unpaid Principal Balance |  |
Related Allowance |  |
YTD Average Recorded Investment |  | 2,683
YTD Interest Income Recognized |  | 1,156
Agricultural [Member] | With a specific allowance recorded [Member] |  |
Loans individually evaluated for impairment by portfolio segment of loans |  |
Recorded Investment |  |
Unpaid Principal Balance |  |
Related Allowance |  |
YTD Average Recorded Investment |  |
YTD Interest Income Recognized |  |
Commercial Real Estate [Member] |  |
Loans individually evaluated for impairment by portfolio segment of loans |  |
Recorded Investment | 877 | 911
Unpaid Principal Balance | 1,300 | 1,238
Related Allowance | 25 | 29
YTD Average Recorded Investment | 863 | 1,545
YTD Interest Income Recognized |  | 22
Commercial Real Estate [Member] | With no related allowance recorded [Member] |  |
Loans individually evaluated for impairment by portfolio segment of loans |  |
Recorded Investment | 207 | 207
Unpaid Principal Balance | 384 | 384
Related Allowance |  |
YTD Average Recorded Investment | 206 | 1,357
YTD Interest Income Recognized |  | 22
Commercial Real Estate [Member] | With a specific allowance recorded [Member] |  |
Loans individually evaluated for impairment by portfolio segment of loans |  |
Recorded Investment | 670 | 704
Unpaid Principal Balance | 916 | 854
Related Allowance | 25 | 29
YTD Average Recorded Investment | 657 | 188
Commercial [Member] |  |
Loans individually evaluated for impairment by portfolio segment of loans |  |
Recorded Investment | 3,067 | 420
Unpaid Principal Balance | 3,114 | 420
Related Allowance | 770 | 91
YTD Average Recorded Investment | 1,848 | 493
YTD Interest Income Recognized | 13 | 1
Commercial [Member] | With no related allowance recorded [Member] |  |
Loans individually evaluated for impairment by portfolio segment of loans |  |
Recorded Investment | 287 |
Unpaid Principal Balance | 334 |
Related Allowance |  |
YTD Average Recorded Investment | 212 | 55
YTD Interest Income Recognized |  | 1
Commercial [Member] | With a specific allowance recorded [Member] |  |
Loans individually evaluated for impairment by portfolio segment of loans |  |
Recorded Investment | 2,780 | 420
Unpaid Principal Balance | 2,780 | 420
Related Allowance | 770 | 91
YTD Average Recorded Investment | 1,636 | 438
YTD Interest Income Recognized | 13 |
Consumer [Member] |  |
Loans individually evaluated for impairment by portfolio segment of loans |  |
Recorded Investment |  |
Unpaid Principal Balance |  |
Related Allowance |  |
YTD Average Recorded Investment | 2 | 1
YTD Interest Income Recognized |  |
Consumer [Member] | With no related allowance recorded [Member] |  |
Loans individually evaluated for impairment by portfolio segment of loans |  |
Recorded Investment |  |
Unpaid Principal Balance |  |
Related Allowance |  |
YTD Average Recorded Investment |  | 1
YTD Interest Income Recognized |  |
Consumer [Member] | With a specific allowance recorded [Member] |  |
Loans individually evaluated for impairment by portfolio segment of loans |  |
Recorded Investment |  |
Unpaid Principal Balance |  |
Related Allowance |  |
YTD Average Recorded Investment | 2 |
YTD Interest Income Recognized |  |

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