|**Deposits (Tables)**                                                     | 12 Months Ended                                                                                                                                                                                                                                                                                                                                                                             
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|**Banking and Thrift [Abstract]**                                         |                                                                                                                                                                                                                                                                                                                                                                                             
|Schedule Of Deposits                                                      | The composition of the deposit portfolio is included in the table below for the years indicated:December 31, 2012December 31, 2011Demand Deposits$1,646,756$1,438,513Savings Deposits831,952757,166Certificates and Other Time Deposits of $100,000 or more236,470264,787Other Certificates and Time Deposits502,927551,247Brokered Deposits128,278122,942Total Deposits$3,346,383$3,134,655
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|                                                                          | December 31, 2012                                                                                                                                                                                                                                                                                                                                                                           
|Demand Deposits                                                           | $                                                                                                                                                                                                                                                                                                                                                                                           
|Savings Deposits                                                          | 831,952                                                                                                                                                                                                                                                                                                                                                                                     
|Certificates and Other Time Deposits of $100,000 or more                  | 236,470                                                                                                                                                                                                                                                                                                                                                                                     
|Other Certificates and Time Deposits                                      | 502,927                                                                                                                                                                                                                                                                                                                                                                                     
|Brokered Deposits                                                         | 128,278                                                                                                                                                                                                                                                                                                                                                                                     
|Total Deposits                                                            | $                                                                                                                                                                                                                                                                                                                                                                                           
|Schedule of Deposit Contractual Maturities, Excluding Demsand and Savings | At December 31, 2012, the contractual maturities of time deposits are summarized as follows:Certificates and Other Time Deposits2013$539,4262014163,982201554,995201661,048201728,138After 201720,086$867,675                                                                                                                                                                               
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|                                                                          | Certificates and Other Time Deposits                                                                                                                                                                                                                                                                                                                                                        
|2013                                                                      | $                                                                                                                                                                                                                                                                                                                                                                                           
|2014                                                                      | 163,982                                                                                                                                                                                                                                                                                                                                                                                     
|2015                                                                      | 54,995                                                                                                                                                                                                                                                                                                                                                                                      
|2016                                                                      | 61,048                                                                                                                                                                                                                                                                                                                                                                                      
|2017                                                                      | 28,138                                                                                                                                                                                                                                                                                                                                                                                      
|After 2017                                                                | 20,086                                                                                                                                                                                                                                                                                                                                                                                      
|                                                                          | $                                                                                                                                                                                                                                                                                                                                                                                           

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