Reinsurance - Narrative (Details) - USD ($)			1 Months Ended	12 Months Ended			24 Months Ended	48 Months Ended	60 Months Ended
	Nov. 01, 2022	Jan. 01, 2022	Sep. 30, 2023	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2023	Dec. 31, 2023	Dec. 31, 2023	Jun. 30, 2022
Effects Of Reinsurance [Line Items]
Reinsurance recoverables on paid losses				$ 12,619,000	$ 6,653,000		$ 12,619,000	$ 12,619,000	$ 12,619,000
Stated net reserves retained				103,805,000	82,888,000	$ 98,741,000	103,805,000	103,805,000	103,805,000
Losses and loss adjustment expenses, net				82,413,000	81,440,000
Reinsurance recoverables on unpaid losses				70,807,000	82,651,000	$ 40,344,000	70,807,000	70,807,000	70,807,000
Prior period				17,833,000	24,284,000
Prepaid reinsurance premiums				28,908,000	16,399,000		28,908,000	28,908,000	28,908,000
Assumed premiums written				43,620,000	42,187,000
Ceded premium written				75,146,000	46,787,000
Ceded premiums earned				62,637,000	38,690,000
Hurricane
Effects Of Reinsurance [Line Items]
Ceded premium written					1,600,000
Ceded premiums earned					1,600,000
Catastrophe Losses
Effects Of Reinsurance [Line Items]
Ceded premium written				91,000
Ceded premiums earned				91,000
Accident Year 2019
Effects Of Reinsurance [Line Items]
Prior period				218,000	9,600,000
Loss Portfolio Transfer (“LPT”) Reinsurance Agreement
Effects Of Reinsurance [Line Items]
Reinsurance recoverables on paid losses				3,800,000	3,900,000		3,800,000	3,800,000	3,800,000
Reinsurance recoverables on unpaid losses				10,900,000	25,900,000		10,900,000	10,900,000	10,900,000
100% Quota Share Reinsurance Agreement
Effects Of Reinsurance [Line Items]
Ceded premium written			$ 30,900,000
Minimum | Loss Portfolio Transfer (“LPT”) Reinsurance Agreement
Effects Of Reinsurance [Line Items]
Reinsurance recoverables on paid losses	$ 46,300,000
Minimum | 100% Quota Share Reinsurance Agreement
Effects Of Reinsurance [Line Items]
Percentage of commission ceded, net			22.00%
Maximum | 100% Quota Share Reinsurance Agreement
Effects Of Reinsurance [Line Items]
Percentage of commission ceded, net			27.00%
100% Cede of Commercial Liability Risks In Excess of $400,000
Effects Of Reinsurance [Line Items]
Amount retained (excess of)				400,000	340,000
Ceded Commercial Property Risks In Excess of $200,000
Effects Of Reinsurance [Line Items]
Amount retained (excess of)				400,000
Ceded Commercial Property Risks In Excess of $400,000
Effects Of Reinsurance [Line Items]
Amount retained (excess of)					300,000
Ceded Homeowners Specific Risks In Excess of $300,000
Effects Of Reinsurance [Line Items]
Amount retained (excess of)				300,000	300,000
Liability Risk
Effects Of Reinsurance [Line Items]
Percentage of ceding commission		40.00%				40.00%
Workers Compensation and Casualty Clash
Effects Of Reinsurance [Line Items]
Amount retained (excess of)							1,000,000
Amount reinsured							$ 29,000,000
Commercial Auto Physical Damage Risk
Effects Of Reinsurance [Line Items]
Amount retained (excess of)				400,000
Liability Reinsurance Policy
Effects Of Reinsurance [Line Items]
Amount retained (excess of)									400,000
Amount reinsured									$ 600,000
Property Reinsurance Policy | Homeowners Lines
Effects Of Reinsurance [Line Items]
Amount reinsured								1,700,000
Property Reinsurance Policy | Commercial Lines
Effects Of Reinsurance [Line Items]
Amount retained (excess of)				400,000	300,000
Amount reinsured				7,600,000	7,700,000
Property Reinsurance Policy | Property, Liability and Casualty Insurance Product Line
Effects Of Reinsurance [Line Items]
Amount retained (excess of)				3,000,000.0	2,000,000.0
Insured property value				$ 27,000,000	$ 28,000,000
Termination date				Jun. 01, 2024	Jun. 01, 2023
Property Reinsurance Policy | Maximum | Homeowners Lines
Effects Of Reinsurance [Line Items]
Amount retained (excess of)								$ 300,000
Quota Share Reinsurance Agreement | Cannabis Program Net Written Premiums
Effects Of Reinsurance [Line Items]
Reinsurance retention policy, reinsured percentage				50.00%
Quota Share Reinsurance Agreement | Minimum | Commercial Lines
Effects Of Reinsurance [Line Items]
Reinsurance retention policy, reinsured percentage				90.00%
Quota Share Reinsurance Agreement | Maximum | Commercial Lines
Effects Of Reinsurance [Line Items]
Reinsurance retention policy, reinsured percentage				100.00%
Quota Share Reinsurance Agreement, Other Arrangements | Maximum | Other insurance product line
Effects Of Reinsurance [Line Items]
Reinsurance retention policy, reinsured percentage				100.00%
Insurance Fronting Arrangement
Effects Of Reinsurance [Line Items]
Assumed premiums written				$ 43,600,000	$ 42,200,000
Fleming Reinsurance Ltd | Loss Portfolio Transfer (“LPT”) Reinsurance Agreement
Effects Of Reinsurance [Line Items]
Stated net reserves retained										$ 40,800,000
Losses and loss adjustment expenses, net	5,500,000
One-time risk fee retained										5,400,000
Amount reinsured	40,800,000
Fleming Reinsurance Ltd | Loss Portfolio Transfer (“LPT”) Reinsurance Agreement | Accident Year 2019
Effects Of Reinsurance [Line Items]
Reinsurance recoverables on paid losses										66,300,000
Stated net reserves retained										$ 40,800,000
Prior period	20,000,000
Fleming Reinsurance Ltd | Maximum | Loss Portfolio Transfer (“LPT”) Reinsurance Agreement
Effects Of Reinsurance [Line Items]
Reinsurance recoverables on paid losses	$ 66,300,000
Corridor | Agreement between CIC and WPIC and Fleming Re
Effects Of Reinsurance [Line Items]
Losses and loss adjustment expenses, net				5,500,000	5,500,000
Layer | Minimum | Agreement between CIC and WPIC and Fleming Re
Effects Of Reinsurance [Line Items]
Losses and loss adjustment expenses, net				9,100,000	644,000
Layer | Maximum | Agreement between CIC and WPIC and Fleming Re
Effects Of Reinsurance [Line Items]
Losses and loss adjustment expenses, net				$ 20,000,000	$ 20,000,000