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Employee Benefits
12 Months Ended
Dec. 31, 2012
Employee Benefits [Abstract]  
Employee Benefits
(4)  Employee Benefits

The Company maintains a 401(k) savings plan for the benefit of its employees.  The Company's contributory expenses for the plan were $645,000, $597,000 and $565,000 in 2012, 2011 and 2010, respectively. No other pension or retirement plans are maintained by the Company.