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Income Taxes (Details Textual) (USD $)
In Millions, unless otherwise specified
6 Months Ended 12 Months Ended
Dec. 31, 2011
Dec. 31, 2012
Jun. 30, 2011
Jun. 30, 2010
Income Taxes (Additional Textual) [Abstract]        
Statutory federal corporate tax rate   35.00%    
Valuation allowance $ 27.2 $ 28.4    
Change in the valuation allowance 5.1 1.2 5.2 8.0
Change in the valuation allowance included change in unrealized change in investments 0.3 0.5 0.3 3.2
Deferred state income taxes 0.7   0.8  
Alternative Minimum Tax Credits [Member]
       
Income Taxes (Textual) [Abstract]        
AMT credit carryforwards   1.6    
State and Local Jurisdiction [Member]
       
Income Taxes (Textual) [Abstract]        
Gross Federal NOL carryforwards   47.5    
NOL carryforwards expire date   2020    
Domestic Country [Member]
       
Income Taxes (Textual) [Abstract]        
Gross Federal NOL carryforwards   $ 37.4    
Domestic Country [Member] | Maximum [Member]
       
Income Taxes (Textual) [Abstract]        
NOL carryforwards expire date   2032    
Domestic Country [Member] | Minimum [Member]
       
Income Taxes (Textual) [Abstract]        
NOL carryforwards expire date   2022