Short-term Debt (Details) (Term-Note Facility [Member], USD $)	12 Months Ended	0 Months Ended
	Dec. 31, 2013	Feb. 03, 2014 Subsequent Event [Member]	Dec. 31, 2013 LIBOR [Member]	Dec. 31, 2013 Federal [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 15,000,000
Period for term note facility (in years)	1 year
Total borrowings	10,000,000
Effective interest rate (in hundredths)			0.50%	2.50%
Description of variable rate basis	LIBOR plus 2.5%.
Repayment of entire balance		$ 10,000,000