Subsequent Events (Details) (USD $) In Millions, except Share data, unless otherwise specified	0 Months Ended		0 Months Ended
	Jan. 02, 2012	Mar. 01, 2013	Mar. 06, 2013 F&M Bank [Member]	Sep. 12, 2012 F&M Bank [Member]	Dec. 31, 2012 F&M Bank [Member]	Mar. 14, 2012 F&M Bank [Member]	Dec. 31, 2011 F&M Bank [Member]	Dec. 31, 2012 Minimum [Member]	Mar. 06, 2013 Minimum [Member] F&M Bank [Member]	Mar. 14, 2012 Minimum [Member] 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]
Subsequent Event [Line Items]
Options issued to purchase	18,750
Price per share	$ 0.64
Discontinued Operation, Sale Price		$ 1.5
Borrowing base			21.5	23.0	21.5	20.0
Decreased borrowing base			20.50	21.50
Rate above prime									0.25%	0.25%
Interest rate per annum					5.25%			5.50%			8.25%	5.25%	5.25%
Maximum line of credit			40		40
Loans and letters of credit amount outstanding			$ 9.1		$ 10.1		$ 11.5