Reinsurance (Schedule of Reinsurance Ceded and Recoveries) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Premium Written :
Direct	$ 458,020	$ 385,624	$ 350,089
Assumed	2,007	4,218	4,792
Ceded	(99,262)	(57,353)	(51,005)
Premiums Written, Net, Property and Casualty	360,765	332,489	303,876
Premium Earned:
Direct	434,022	369,735	344,642
Assumed	3,204	4,114	5,438
Ceded	(76,685)	(54,413)	(57,039)
Premiums Earned, Net, Property and Casualty	360,541	319,436	293,041
Reinsurance recoveries	$ 45,456	$ 29,014	$ 32,941

Premiums assumed and earned for all property and casualty insurance assumed from other insurers as a result of reinsurance arrangements.

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