Reinsurance Ceded Premiums Earned by type (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Ceded Premiums Earned by type [Line Items]
Ceded Premiums Written	$ (3,851)	$ (1,743)
Increase (Decrease) in Ceded Unearned Premiums	(27,126)	(25,836)
Ceded Premiums Earned	(30,977)	(27,579)
Excess of Loss Product Line [Member]
Ceded Premiums Earned by type [Line Items]
Ceded Premiums Written	(61)	1,304
Equipment and Identity Theft Product Line [Member]
Ceded Premiums Earned by type [Line Items]
Ceded Premiums Written	(761)	(471)
Flood Product Line [Member]
Ceded Premiums Earned by type [Line Items]
Ceded Premiums Written	$ (3,029)	$ (2,576)