Earnings Per Common Share And Share Awards Computation Of Basic And Diluted Earnings Per Share (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Earnings Per Share [Abstract]
Net income attributable to the Company	$ 4,490,962	$ 2,594,490	$ 10,337,583	$ 6,954,526
Weighted average common shares outstanding - Basic	1,967,923	2,028,818	1,995,120	2,033,637
Incremental shares outstanding assuming the exercise of dilutive stock options and SARs (share settled)	4,310	3,826	4,923	5,238
Weighted average common shares outstanding - Diluted	1,972,233	2,032,644	2,000,043	2,038,875
Basic Earnings per Common Share	$ 2.28	$ 1.28	$ 5.18	$ 3.42
Diluted Earnings per Common Share	$ 2.28	$ 1.28	$ 5.17	$ 3.41