Quarterly report pursuant to Section 13 or 15(d)

Fair Value (Details Textual)

v2.4.0.8
Fair Value (Details Textual) (USD $)
In Millions, unless otherwise specified
Jun. 30, 2013
Dec. 31, 2012
Minimum Percentage of Defaults Rates on Above 3 Years Issuer Average in Other than Temporary Impairment Model Assumptions 0.25%  
Maximum Percentage of Defaults Rates on Above 3 Years Issuer Average in Other than Temporary Impairment Model Assumptions 5.00%  
Minimum Percentage of Recovery Assumptions on Other than Temporary Impairment Model Assumptions 0.00%  
Maximum Percentage of Recovery Assumptions on Other than Temporary Impairment Model Assumptions 15.00%  
Available-for-sale Securities, Amortized Cost Basis $ 3.9  
Unpaid Principal Balance 18.0 19.9
Impaired Financing Receivable, Reserve 1.5 2.0
Impaired Financing Receivable, Fair Value $ 16.5 $ 17.9