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, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Earnings Per Common Share And Share Awards [Abstract]
Net income attributable to the Company	$ 3,158,185	$ 2,440,465	$ 7,939,812	$ 5,054,477
Weighted average common shares outstanding - Basic	2,071,605	2,124,078	2,090,369	2,164,240
Incremental shares outstanding assuming the exercise of dilutive stock options and SARs (share settled)	36,921	19,249	33,753	16,215
Weighted average common shares outstanding - Diluted	2,108,526	2,143,327	2,124,122	2,180,455
Basic earnings per common share	$ 1.52	$ 1.15	$ 3.80	$ 2.34
Diluted earnings per common share	$ 1.50	$ 1.14	$ 3.74	$ 2.32