Summary Of Significant Accounting Policies (Reconciliation of Net Income Loss Reported in Financial Statements and Federal Tax Return) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Summary of Significant Accounting Policies [Abstract]
Net income per financial statements	$ 3,586	$ 1,886
Adjustment to depreciation expense	542	894
Provision for losses and doubtful accounts	(7)	(12)
Adjustments to revenues / other expenses	37	140
Adjustments to gain on sales of assets	656	100
Income per federal tax return (unaudited)	$ 4,814	$ 3,008