Line Of Credit And Commercial Letters Of Credit (Narrative) (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Line of Credit And Commercial Letters Of Credit [Abstract]
Line of credit limit	$ 5,000,000	$ 5,000,000
Line of credit, amount outstanding	0	0
Percentage over LIBOR	0.50%
Letters of credit	$ 1,868,000	$ 3,380,000