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Long-Term Debt Long-term Debt - Narrative (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2016
USD ($)
Dec. 05, 2016
USD ($)
Rate
May 26, 2016
USD ($)
Dec. 31, 2015
USD ($)
Debt Instrument [Line Items]        
Notes payable $ 54,175     $ 12,353
10-Year Constant Maturity Interest Rate 2.45%      
Debt Instrument, Basis Spread on Variable Rate 4.50%      
Debt Instrument, Interest Rate, Increase (Decrease) 0.25%      
SBA Note Payable        
Debt Instrument [Line Items]        
Debt Instrument, Periodic Payment, Principal $ 1,177      
Debt Instrument, Periodic Payment, Interest 219      
Notes payable $ 11,176     $ 12,353
Debt Instrument, Interest Rate, Stated Percentage 1.56%     2.05%
Debt instrument surplus definition $ 20,000      
Statutory Accounting Practices, Statutory Capital and Surplus Required $ 6,007      
SBA Note Payable | Gross Writing Ratio [Member]        
Debt Instrument [Line Items]        
Required Written Premiums To Surplus Ratio 6      
SBA Note Payable | Net Writing Ratio [Member]        
Debt Instrument [Line Items]        
Required Written Premiums To Surplus Ratio 2      
Senior Notes        
Debt Instrument [Line Items]        
Notes payable   $ 30,000    
Debt Instrument, Interest Rate, Stated Percentage | Rate   5.75%    
Interboro, LLC Promissory Note        
Debt Instrument [Line Items]        
Notes payable $ 8,550      
Debt Instrument, Interest Rate, Stated Percentage 6.00%      
BB&T Term Note Payable        
Debt Instrument [Line Items]        
Debt Instrument, Periodic Payment, Principal $ 202      
Debt Instrument, Periodic Payment, Interest 66      
Notes payable $ 4,998   $ 5,200  
Debt Instrument, Interest Rate, Stated Percentage 2.44%   1.65%  
Cash Flow Coverage Ratio 9.2      
Minimum | SBA Note Payable | Gross Writing Ratio [Member]        
Debt Instrument [Line Items]        
Required Written Premiums To Surplus Ratio 4.5      
Minimum | SBA Note Payable | Net Writing Ratio [Member]        
Debt Instrument [Line Items]        
Required Written Premiums To Surplus Ratio 1.5      
Minimum | BB&T Term Note Payable        
Debt Instrument [Line Items]        
Required Balance in Non-Interest Bearing Account $ 500      
Required Balance in Interest Bearing Account $ 1,500      
Cash Flow Coverage Ratio 1.2      
Minimum | BB&T Term Note Payable | Non-recurring Loss [Member]        
Debt Instrument [Line Items]        
Cash Flow Coverage Ratio 1.0