SCHEDULE IV - REINSURANCE (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Reinsurance Premiums for Insurance Companies, by Product Segment [Line Items]
Retrocessions associated with premiums assumed from other companies	$ 2,825	$ 2,316	$ 1,913
Property and Casualty Insurance [Member]
Reinsurance Premiums for Insurance Companies, by Product Segment [Line Items]
Direct Premiums	313,842	287,982	270,002
Ceded to Other Companies	113,882	103,712	85,493
Assumed from Other Companies	52,783	53,191	60,061
Net Amount	$ 252,743	$ 237,461	$ 244,570
% of Amount Assumed to Net (in hundredths)	19.80%	21.40%	23.80%