Reinsurance Ceded Premiums Earned by type (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Ceded Premiums Earned by type [Line Items]
Ceded Premiums Written	$ (124,682)	$ (113,234)	$ (93,418)
Increase (Decrease) in Ceded Unearned Premiums	5,352	8,948	2,661
Ceded Premiums Earned	(119,330)	(104,286)	(90,757)
Excess of Loss Product Line [Member]
Ceded Premiums Earned by type [Line Items]
Ceded Premiums Written	(108,696)	(100,549)	(82,832)
Equipment and Identity Theft Product Line [Member]
Ceded Premiums Earned by type [Line Items]
Ceded Premiums Written	(2,608)	(1,540)	(587)
Flood Product Line [Member]
Ceded Premiums Earned by type [Line Items]
Ceded Premiums Written	$ (13,378)	$ (11,145)	$ (9,999)