Long-Term Debt (Details) (USD $)	3 Months Ended	9 Months Ended
	Mar. 31, 2011	Sep. 30, 2012	Dec. 31, 2011
Debt Instrument [Line Items]
Notes Payable, Noncurrent		$ 16,176,000	$ 17,059,000
Statutory Accounting Practices, Statutory Capital and Surplus Required		37,127,000
Florida State Board of Administration [Member]
Debt Instrument [Line Items]
Notes Payable, Noncurrent		16,176,000	17,059,000
Debt Instrument, Interest Rate, Stated Percentage		1.60%	1.99%
Debt instrument surplus definition		20,000,000
Debt Instrument, Basis Spread on Variable Rate		1.68%
Additional Interest Paid Resulting From Violating Writing Ratio Covenant	$ 11,000
Florida State Board of Administration [Member] | Gross Writing Ratio [Member]
Debt Instrument [Line Items]
Required ratio of written premims to surplus		600.00%
Actual ratio of written premiums to surplus		610.00%
Ratio of Written Premiums to Surplus Resulting in Increase in Interest Rate		450.00%
Florida State Board of Administration [Member] | Net Writing Ratio [Member]
Debt Instrument [Line Items]
Required ratio of written premims to surplus		200.00%
Actual ratio of written premiums to surplus		295.00%
Ratio of Written Premiums to Surplus Resulting in Increase in Interest Rate		150.00%
Florida State Board of Administration [Member] | Gross and Net Writing Ratio [Member]
Debt Instrument [Line Items]
Additional Interest Paid Resulting From Violating Writing Ratio Covenant, Percent		4.50%
Florida State Board of Administration [Member] | Other Than Gross and Net Writing Ratio [Member]
Debt Instrument [Line Items]
Additional Interest Paid Resulting From Violating Writing Ratio Covenant, Percent		0.25%