Earnings Per Common Share And Share Awards Computation Of Basic And Diluted Earnings Per Share (Details) - USD ($)	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Earnings Per Share [Abstract]
Net income attributable to the Company	$ 4,120,497	$ 3,373,598	$ 5,846,621	$ 4,360,036	$ 9,648,975
Weighted average common shares outstanding - Basic	2,004,698	2,034,931	2,008,718	2,036,047
Incremental shares outstanding assuming the exercise of dilutive stock options and SARs (share settled)	4,797	4,271	5,160	5,221
Weighted average common shares outstanding - Diluted	2,009,495	2,039,202	2,013,878	2,041,268
Basic Earnings per Common Share	$ 2.06	$ 1.66	$ 2.91	$ 2.14
Diluted Earnings per Common Share	$ 2.05	$ 1.65	$ 2.90	$ 2.14