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SCHEDULE IV. SUPPLEMENTAL SCHEDULE OF REINSURANCE PREMIUMS (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Abstract]
Gross Amounts	$ 1,097,726	$ 1,013,372	$ 1,105,164
Ceded to Other Companies	1,817,302	1,614,432	1,850,807
Assumed	10,815,336	8,072,193	7,079,632
Net premiums earned (Note 7)	$ 10,095,760	$ 7,471,133	$ 6,333,989
Percentage of Amount Assumed to Net	107.00%	108.00%	112.00%

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Amount of earned premiums assumed from other entities.

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