Schedule IV (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Abstract]
Direct Premiums Written	$ 1,278,504	$ 1,148,190	$ 989,525
Ceded Premiums Written	633,275	512,270	447,329
Assumed Premiums Written	101,764	104,211	51,323
Premiums Written, Net	$ 746,993	$ 740,131	$ 593,519
premiums assumed as percentage of net premiums	13.60%	14.10%	8.60%

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premiums assumed as percentage of net premiums

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Amount of written premiums assumed from other entities.

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Amount of written premiums ceded to other entities.

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Amount, before premiums ceded to other entities and premiums assumed by the entity, of premiums written.

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-Publisher FASB
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Amount, after premiums ceded to other entities and premiums assumed by the entity, of premiums written.

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