Quarterly Financial Information (Summary Of Quarterly Financial Information) (Details) (USD $) (USD $)	3 Months Ended	12 Months Ended
Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Quarterly Financial Information Summary Of Quarterly Financial Information Details Usd
Total Revenues	$ 7,735,148	$ 7,682,727	$ 7,763,234	$ 7,949,783	$ 7,926,085	$ 8,228,464	$ 8,266,835	$ 8,335,186	$ 31,130,892	$ 32,756,570	$ 34,576,701
Income Before Taxes	1,342,388	(543,862)	386,071	56,178	748,757	1,134,429	198,872	772,978	1,240,775	2,855,036	5,750,168
Net Income	$ 713,491	$ (368,366)	$ 250,207	$ 8,336	$ 550,988	$ 745,595	$ 156,775	$ 500,370	$ 603,668	$ 1,953,728	$ 3,739,876
Basic Earnings Per Share	$ 0.13	$ (0.07)	$ 0.05	$ 0.00	$ 0.10	$ 0.14	$ 0.03	$ 0.09	$ 0.11	$ 0.37	$ 0.70
Diluted Earnings Per Share	$ 0.13	$ (0.07)	$ 0.05	$ 0.00	$ 0.10	$ 0.14	$ 0.03	$ 0.09	$ 0.11	$ 0.36	$ 0.70

The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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+ Details

- Definition

The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

+ References+ Details

- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

+ References

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+ Details