Reinsurance - Written Premiums, Earned Premiums and Losses and Loss Adjustment Expenses Incurred (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Written premiums:
Direct	$ 167,502	$ 126,614	$ 283,645	$ 208,219
Ceded	(50,231)	(41,838)	(76,503)	(61,187)
Net written	117,271	84,776	207,142	147,032
Earned premiums:
Direct	124,624	96,906	236,774	186,669
Ceded	(37,696)	(24,268)	(71,545)	(45,752)
Net earned	86,928	72,638	165,229	140,917
Losses and loss adjustment expenses:
Direct	74,382	56,995	131,217	110,942
Ceded	(23,970)	(12,867)	(33,943)	(25,768)
Net losses and loss adjustment expenses	$ 50,412	$ 44,128	$ 97,274	$ 85,174