Reinsurance Reinsurance - Narrative (Details) (USD $)	0 Months Ended	3 Months Ended
	Jan. 02, 2014	Mar. 31, 2014	Mar. 31, 2013	Jun. 01, 2013 Unaffiliated Private Reinsurers [Member] Maximum [Member]	Jun. 01, 2013 Florida Hurricane Catastrophe Fund [Member] Mandatory Layer [Member] Maximum [Member]
Reinsurance Premiums for Insurance Companies, by Product Segment [Line Items]
Aggregate Coverage for Covered Losses Under Reinsurance Contract				$ 360,060,000	$ 441,540,000
Reinsurance Costs and Recoveries, Net		417,000	248,000
Reinsurance Retention Policy, Excess Retention, Amount Reinsured	500,000
Reinsurance Retention Policy, Amount Retained	500,000
Percentage of Flood Premiums Ceded		100.00%
Insurance Commissions and Fees, Flood Program		$ 418,000	$ 80,000