Reinsurance (Schedule of Reinsurance Ceded and Recoveries) (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017
Premium Written :
Direct	$ 660,298	$ 601,780
Assumed	2,717	2,376
Ceded premiums written	(299,217)	(238,573)
Net premiums written	363,798	365,583
Premium Earned:
Direct	639,437	567,089
Assumed	2,159	1,680
Ceded	(278,509)	(207,732)
Premiums Earned, Net, Property and Casualty	363,087	361,037
Reinsurance recoveries	$ 199,690	$ 144,948

Amount of earned premiums assumed from other entities.

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-Publisher FASB
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