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Store Closing Costs (Details) (USD $)
In Thousands, unless otherwise specified
 9 Months Ended
Sep. 30, 2012
Summary of Store Closing Reserves  
Balance at January 1, 2012   
Store closing Costs 1,174
Payments (288)
Balance at September 30, 2012 886
Severance Costs [Member]
  
Summary of Store Closing Reserves  
Balance at January 1, 2012   
Store closing Costs 21
Payments (17)
Balance at September 30, 2012 4
Lease Termination Costs [Member]
  
Summary of Store Closing Reserves  
Balance at January 1, 2012   
Store closing Costs 1,032
Payments (152)
Balance at September 30, 2012 880
Other Associated Costs [Member]
  
Summary of Store Closing Reserves  
Balance at January 1, 2012   
Store closing Costs 121
Payments (119)
Balance at September 30, 2012 $ 2