Reinsurance - Summary of Premiums Earned and Losses Incurred (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Premiums earned:
Direct	$ 289,868	$ 279,613
Assumed	2,609	872
Ceded	(31,576)	(30,724)
Net premiums earned	260,901	249,761
Losses incurred:
Direct	66,562	40,804
Assumed	166	(67)
Ceded	(5,772)	(1,674)
Losses incurred, net	$ 60,956	$ 39,063

Amount of earned premiums assumed from other entities.

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