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Long-Term Debt (Schedule of Long-term Debt Instruments) (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2012 F&M Bank [Member] | Dec. 31, 2012 Maximum [Member] | Mar. 06, 2013 Maximum [Member] F&M Bank [Member] | Mar. 14, 2012 Maximum [Member] F&M Bank [Member] | Dec. 31, 2012 Minimum [Member]
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Note payable to financial institution, with interest only payment until maturity | $ 10,138 | $ 11,531 |  |  |  |  |
Installment notes bearing interest at the rate of 5.5% to 8.25% per annum collateralized by vehicles with monthly payments including interest, insurance and maintenance of approximately $20,000 | 208 | 266 |  |  |  |  |
Total long-term debt | 10,346 | 11,797 |  |  |  |  |
Less current maturities | (100) | (103) |  |  |  |  |
Long-term debt, less current maturities | 10,246 | 11,694 |  |  |  |  |
Interest rate per annum |  |  | 5.25% | 8.25% | 5.25% | 5.25% | 5.50%
Debt Instrument, Periodic Payments Including Insurance And Maintenance | $ 20,000 |  |  |  |  |  |

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- Definition Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.16) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 9 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 7 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 20, 22 -Article 5 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.16) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
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