|**Stock Options and Stock-Based Compensation (Tables)**                  | 3 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               
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|**Stock Options and Stock-Based Compensation [Abstract]**                |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              
|Schedule of Nonvested Restricted Stock Units Activity [Table Text Block] | As of March 31, 2012, 19,727 shares of restricted stock had been granted under the 2010 Plan, as detailed in the following table:YearGrantedVesting Term(In Years)SharesRemaining Term(In Years)20114.01,5002.920115.05,5003.920123.02,0272.920124.02,7043.920125.07,9964.919,7274.1                                                                                                                                                                                                                         
|YearGranted                                                              | Vesting Term(In Years)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       
|2011                                                                     | 4.0                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          
|2011                                                                     | 5.0                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          
|2012                                                                     | 3.0                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          
|2012                                                                     | 4.0                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          
|2012                                                                     | 5.0                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          
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|Summary of status and changes of Stock Option Plan                       | A summary of the status of outstanding stock options as of March 31, 2012 and changes during the three-month period then ended, is presented below.Number of SharesWeighted Average Exercise PriceWeighted Average Remaining Contractual Term (In years)Aggregate Intrinsic Value(In thousands)Outstanding at December 31, 201151,000$16.47Granted in 2012--Exercised in 2012(9,000)$9.33$59,000Forfeited in 2012--Outstanding at March 31, 201242,000$18.002.8-Exercisable at March 31, 201242,000$18.002.8-
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|Outstanding at December 31, 2011                                         |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              
|Granted in 2012                                                          |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              
|Exercised in 2012                                                        |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              
|Forfeited in 2012                                                        |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              
|Outstanding at March 31, 2012                                            |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              
|Exercisable at March 31, 2012                                            |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              

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