Reinsurance (Schedule of Reinsurance Ceded and Recoveries) (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
Premium Written :
Direct	$ 643,957	$ 734,800
Assumed	9,797	8,568
Ceded premiums written	(313,830)	(315,036)
Net premiums written	339,924	428,332
Premium Earned:
Direct	679,504	803,034
Assumed	10,629	8,454
Ceded earned premiums	(310,843)	(339,587)
Net premiums earned	379,290	471,901
Reinsurance recoveries	$ 301,208	$ 254,882

Amount of earned premiums assumed from other entities.

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