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
Mar. 31, 2014
Mar. 31, 2013
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 $ 25,000 $ 38,000
Shares granted 163,527 [1]  
Shares issued for accrued dividends 575  
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]    
Expenses for employee benefit plan $ 1,200,000 $ 188,000
Shares granted 35,957  
[1] Includes 42,000 Performance Shares which were legally granted in 2013 for which the 2014 performance goals were set by the Committee on March 31, 2014. Also includes 87,734 shares which were additionally granted to two executive officers in connection with their departure affective March 31, 2014 and which vested on April 1, 2014. Note 16