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Long-Term Debt (Details) (USD $)
3 Months Ended 9 Months Ended
Sep. 30, 2013
Dec. 31, 2012
Sep. 30, 2013
Florida State Board of Administration [Member]
Sep. 30, 2012
Florida State Board of Administration [Member]
Sep. 30, 2013
Florida State Board of Administration [Member]
Gross Writing Ratio [Member]
Sep. 30, 2013
Florida State Board of Administration [Member]
Net Writing Ratio [Member]
Sep. 30, 2013
Florida State Board of Administration [Member]
Gross and Net Writing Ratio [Member]
Sep. 30, 2013
Florida State Board of Administration [Member]
Other Than Gross and Net Writing Ratio [Member]
Debt Instrument [Line Items]                
Notes Payable, Noncurrent $ 15,000,000 $ 15,882,000 $ 15,000,000 $ 15,882,000        
Debt Instrument, Interest Rate, Stated Percentage     2.49% 1.66%        
Statutory Accounting Practices, Statutory Capital and Surplus Required 32,919,000              
Required ratio of written premims to surplus         600.00% 200.00%    
Debt Instrument, Surplus Definition     $ 20,000,000          
Actual ratio of written premiums to surplus         830.00% 330.00%    
Ratio of Written Premiums to Surplus Resulting in Increase in Interest Rate         450.00% 150.00%    
Debt Instrument, Interest Rate, Increase (Decrease) 45000.00%              
Debt Instrument, Basis Spread on Variable Rate 0.0264              
Debt Instrument, Interest Rate, Increase (Decrease) 2500.00%              
Additional Interest Paid Resulting From Violating Writing Ratio Covenant, Percent             4.50% 0.25%