REINSURANCE (Premiums Written and Earned) (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Net Premiums Written
Direct	$ 726,885	$ 610,608	$ 567,764
Ceded	(490,262)	(232,729)	(202,732)
Net premiums written	236,623	377,879	365,032
Net Premiums Earned
Direct	720,967	582,334	580,020
Ceded	(356,833)	(218,682)	(224,763)
Net premiums earned	$ 364,134	$ 363,652	$ 355,257

Amount of earned premiums ceded to other entities.

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