Commitments And Contingencies (Financial Instruments With Off-Balance-Sheet Risk) (Details) (USD $)	Sep. 30, 2011	Dec. 31, 2010
Commitments To Extend Credit [Member]
Financial instruments with off-balance-sheet risk	$ 4,787,910	$ 4,528,196
Deferred Standby Letter Of Credit Fees [Member]
Financial instruments with off-balance-sheet risk	1,413	1,707
Standby Letters of Credit [Member]
Financial instruments with off-balance-sheet risk	$ 235,300	$ 294,116