Quarterly report pursuant to Section 13 or 15(d)

Employee Benefit 401(k) Plans And Deferred Retirement Compensation Agreements (Details)

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Employee Benefit 401(k) Plans And Deferred Retirement Compensation Agreements (Details) (USD $)
3 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2012
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]        
Minimum employee subscription rate, percentage of compensation     1.00%  
Maximum employee subscription rate, percentage of compensation     60.00%  
Employee pre-tax contributions vested percentage     100.00%  
Vesting rate     20.00%  
Percentage vested after total service period     100.00%  
Employees' vesting rights     Participants are always 100 percent vested in their pre-tax contributions and will begin vesting in any matching or profit sharing contributions made on their behalf after two years of service with the Company at a rate of 20 percent per year, becoming 100 percent vested after a total of six years of service with the Company.  
Expenses for employee benefit plan $ 24,000 $ 0 $ 91,000 $ 0
Shares granted     68,139  
Period upon which stock units become payable following a triggering event     30 days  
Minimum [Member]
       
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]        
Employer contribution vesting period     2 years  
Maximum [Member]
       
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]        
Employer contribution vesting period     6 years  
Messr Hersh [Member]
       
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]        
Amount of annual employer contribution to deferred retirement compensation     500,000  
Messr Lefkowitz [Member]
       
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]        
Amount of annual employer contribution to deferred retirement compensation     160,000  
Messr Thomas [Member]
       
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]        
Amount of annual employer contribution to deferred retirement compensation     $ 100,000  
Deferred Retirement Compensation Units [Member]
       
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]        
Shares granted     25,333