SEGMENT REPORTING - Gross Premiums Written by Geographic Area of Risks Insured (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Revenue from External Customer
Gross premiums written	$ 168,346	$ 183,074	$ 554,579	$ 524,472
Gross premiums by geographical area as a percentage of total gross premiums			100.00%	100.00%
Gross premiums written (in percent)	100.00%	100.00%	100.00%	100.00%
U.S. and Caribbean
Revenue from External Customer
Gross premiums written	$ 54,359	$ 77,274	$ 173,519	$ 206,714
Gross premiums by geographical area as a percentage of total gross premiums			31.30%	39.40%
Gross premiums written (in percent)	32.30%	42.20%
Worldwide
Revenue from External Customer
Gross premiums written	$ 102,573	$ 88,037	$ 337,035	$ 269,430
Gross premiums by geographical area as a percentage of total gross premiums			60.80%	51.40%
Gross premiums written (in percent)	60.90%	48.10%
Europe
Revenue from External Customer
Gross premiums written	$ 1,687	$ 1,868	$ 9,967	$ 8,936
Gross premiums by geographical area as a percentage of total gross premiums			1.80%	1.70%
Gross premiums written (in percent)	1.00%	1.00%
Asia
Revenue from External Customer
Gross premiums written	$ 9,727	$ 15,895	$ 34,058	$ 39,392
Gross premiums by geographical area as a percentage of total gross premiums			6.10%	7.50%
Gross premiums written (in percent)	5.80%	8.70%