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Earnings Per Common Share and Share Awards Computation Of Basic And Diluted Earnings Per Share (Details) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Earnings Per Share [Abstract]
Net Income Attributable to the Company	$ 19,523,118	$ 12,533,905	$ 9,648,975
Weighted Average Shares Outstanding – Basic	1,907,675	1,984,360	2,031,760
Incremental shares outstanding assuming the exercise of dilutive stock options and SARs (share settled)	7,382	5,439	5,774
Weighted average common shares outstanding - Diluted	1,915,057	1,989,799	2,037,534
Basic Earnings per Common Share	$ 10.23	$ 6.32	$ 4.75
Diluted Earnings per Common Share	$ 10.19	$ 6.30	$ 4.74

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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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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.

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Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method.

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Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.

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