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Contingencies And Commitments (Tables)
3 Months Ended
Mar. 31, 2013
Commitments and Contingencies Disclosure [Abstract]  
Standby Letters Of Credit Instruments
The following table contains information related to standby letters of credit instruments outstanding as of March 31, 2013 (In thousands): 
Term Remaining
Maximum Potential
Future  Payments
0–12 months
$
39,376

Greater than 12 months
10,934

Total
$
50,310