Discontinued Operations - Schedule of Results of Ops IIC (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025
REVENUE:
Gross premiums written	$ 74,111	$ 71,812	$ 439,810	$ 498,010
Change in gross unearned premiums	64,363	90,945	(21,472)	(7,692)
Gross premiums earned	138,474	162,757	418,338	490,318
Ceded premiums earned	(73,022)	(81,939)	(217,577)	(262,785)
Net premiums earned	65,452	80,818	200,761	227,533
Net investment income	5,881	6,416	16,362	16,720
Net realized investment losses	(4)	0	3,266	1,382
Total revenue	70,704	90,395	224,525	249,064
EXPENSES:
Losses and loss adjustment expenses	7,967	9,211	37,043	36,140
Policy acquisition costs	24,832	25,439	69,928	73,162
General and administrative expenses	9,518	11,321	30,487	28,605
Total expenses	44,661	48,690	144,490	146,062
Provision for income taxes	$ 6,566	9,887	$ 19,572	25,885
Discontinued Operations | Interboro Insurance
REVENUE:
Gross premiums written		0		13,120
Change in gross unearned premiums		(0)		(3,336)
Gross premiums earned		0		9,784
Ceded premiums earned		0		(2,528)
Net premiums earned		0		7,256
Net investment income				538
Net realized investment losses		(0)		(2)
Other revenue		0		16
Total revenue		0		7,808
EXPENSES:
Losses and loss adjustment expenses		0		3,179
Policy acquisition costs		0		1,906
General and administrative expenses		0		546
Total expenses		0		5,631
Income before income taxes		0		2,177
Provision for income taxes		0		540
Income from discontinued operations, net of tax		$ 0		$ 1,637