Reinsurance - Schedule of Effects of Reinsurance (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Written
Direct premiums	$ 326,416	$ 270,741	$ 545,256	$ 451,666
Assumed Premiums	176	16,254	1,340	47,479
Gross Premiums	326,592	286,995	546,596	499,145
Ceded premiums	(507,923)	(549,916)	(546,331)	(608,670)
Net premiums	(181,331)	(262,921)	265	(109,525)
Earned
Direct premiums	234,415	179,515	452,419	346,286
Assumed Premiums	7,836	44,225	20,604	87,610
Gross Premiums	242,251	223,740	473,023	433,896
Ceded premiums	(137,555)	(157,571)	(286,119)	(302,325)
Net premiums earned	$ 104,696	$ 66,169	$ 186,904	$ 131,571

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