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Stockholder's Equity (Narratives1) (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Stock compensation	$ 484,814	$ 387,642
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number	62,805	63,777	61,642
DividendsCash	4,262,000	3,600,000
Dividends Payable, Amount Per Share	$ 0.543	$ 0.572
Dividends, Preferred Stock, Cash	$ 105,000

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Equity impact of cash dividends declared by an entity during the period for all classes of stock (common, preferred, etc.). This element includes paid and unpaid dividends declared during the period.

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The per share amount of a dividend declared, but not paid, as of the financial reporting date.

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