Reinsurance Receivables Premiums, Direct and Assumed, Ceded (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Reinsurance Disclosures [Abstract]
Direct and Assumed, Premiums Written	$ 81,510	$ 79,189
Direct and Assume Premiums Earned	92,122	86,058
Ceded Premiums Written	(50,676)	(46,231)
Ceded Premiums Earned	(58,980)	(54,086)
Premiums Written, Net	30,834	32,958
Net earned premium	$ 33,142	$ 31,972