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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, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Dec. 31, 2013
Earnings Per Share [Abstract]          
Net income attributable to the Company $ 3,373,598 $ 4,005,675 $ 4,360,036 $ 7,382,405 $ 14,708,210
Weighted average common shares outstanding - Basic 2,034,931 2,063,797 2,036,047 2,054,300  
Incremental shares outstanding assuming the exercise of dilutive stock options and SARs (share settled) 4,271 25,877 5,221 32,929  
Weighted average common shares outstanding - Diluted 2,039,202 2,089,674 2,041,268 2,087,229  
Basic Earnings per Common Share $ 1.66 $ 1.94 $ 2.14 $ 3.59  
Diluted Earnings per Common Share $ 1.65 $ 1.92 $ 2.14 $ 3.54