Segment Information - Information by Reportable Operating Segment (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Segment Reporting Information [Line Items]
Gross written premiums	$ 24,313	$ 36,214
Net written premiums	15,391	18,342
Net earned premiums	16,887	21,952
Agency commission income	4,336	430
Other income	260	196
Segment revenue	21,483	22,578
Losses and LAE, net	10,520	13,713
Policy acquisition costs	7,013	4,721
Operating expenses	4,495	4,279
Segment expenses	22,028	22,713
Segment gain (loss)	(545)	(135)
Net investment income	1,552	1,307
Change in fair value of equity securities	43	694
Interest expense	(877)	(686)
Income (loss) before equity earnings in Affiliate and income taxes	173	1,180
Operating Segments | Commercial Lines
Segment Reporting Information [Line Items]
Gross written premiums	12,762	28,975
Net written premiums	8,287	12,241
Net earned premiums	8,797	17,123
Other income	50	52
Segment revenue	8,847	17,175
Losses and LAE, net	6,766	10,547
Policy acquisition costs	1,147	3,196
Operating expenses	1,748	3,028
Segment expenses	9,661	16,771
Segment gain (loss)	(814)	404
Income (loss) before equity earnings in Affiliate and income taxes	(814)	404
Operating Segments | Personal Lines
Segment Reporting Information [Line Items]
Gross written premiums	11,551	7,239
Net written premiums	7,104	6,101
Net earned premiums	8,090	4,829
Other income	28	23
Segment revenue	8,118	4,852
Losses and LAE, net	3,754	3,166
Policy acquisition costs	2,013	1,389
Operating expenses	971	592
Segment expenses	6,738	5,147
Segment gain (loss)	1,380	(295)
Income (loss) before equity earnings in Affiliate and income taxes	1,380	(295)
Operating Segments | Total Underwriting
Segment Reporting Information [Line Items]
Gross written premiums	24,313	36,214
Net written premiums	15,391	18,342
Net earned premiums	16,887	21,952
Other income	78	75
Segment revenue	16,965	22,027
Losses and LAE, net	10,520	13,713
Policy acquisition costs	3,160	4,585
Operating expenses	2,719	3,620
Segment expenses	16,399	21,918
Segment gain (loss)	566	109
Income (loss) before equity earnings in Affiliate and income taxes	566	109
Operating Segments | Wholesale Agency
Segment Reporting Information [Line Items]
Agency commission income	4,336	430
Other income	6,369	449
Segment revenue	10,705	879
Policy acquisition costs	9,119	548
Operating expenses	1,633	352
Segment expenses	10,752	900
Segment gain (loss)	(47)	(21)
Income (loss) before equity earnings in Affiliate and income taxes	(47)	(21)
Corporate
Segment Reporting Information [Line Items]
Other income	71	72
Segment revenue	71	72
Operating expenses	143	307
Segment expenses	143	307
Segment gain (loss)	(72)	(235)
Net investment income	1,552	1,307
Change in fair value of equity securities	43	694
Interest expense	(877)	(686)
Income (loss) before equity earnings in Affiliate and income taxes	646	1,080
Eliminations
Segment Reporting Information [Line Items]
Other income	(6,258)	(400)
Segment revenue	(6,258)	(400)
Policy acquisition costs	(5,266)	(412)
Segment expenses	(5,266)	(412)
Segment gain (loss)	(992)	12
Income (loss) before equity earnings in Affiliate and income taxes	$ (992)	$ 12