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Financial Instruments with Off-Balance Sheet Risk and Contingent Liabilities (Tables)
9 Months Ended
Sep. 30, 2012
Guarantees [Abstract]  
Schedule of Guarantor Obligations [Table Text Block]
Outstanding Guarantees Under Letters of Credit
 
09/30/2012
 
12/31/2011
 
09/30/2011
Standby Letters of Credit
$
11,367

 
$
11,641

 
$
8,301