Earnings Per Common Share and Share Awards Computation Of Basic And Diluted Earnings Per Share (Details) (USD $)	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Earnings Per Share [Abstract]
Net Income Attributable to the Company	$ 9,648,975us-gaap_NetIncomeLoss	$ 14,708,210us-gaap_NetIncomeLoss	$ 11,102,496us-gaap_NetIncomeLoss
Weighted Average Shares Outstanding – Basic	2,031,760	2,056,169	2,081,703
Incremental shares outstanding assuming the exercise of dilutive stock options and SARs (share settled)	5,774	20,459	35,090
Weighted average common shares outstanding - Diluted	2,037,534	2,076,628	2,116,793
Basic Earnings per Common Share	$ 4.75us-gaap_EarningsPerShareBasic	$ 7.15us-gaap_EarningsPerShareBasic	$ 5.33us-gaap_EarningsPerShareBasic
Diluted Earnings per Common Share	$ 4.74us-gaap_EarningsPerShareDiluted	$ 7.08us-gaap_EarningsPerShareDiluted	$ 5.24us-gaap_EarningsPerShareDiluted

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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- Definition

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

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