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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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LONG-TERM DEBT - Narrative (Details)			12 Months Ended
LONG-TERM DEBT - Narrative (Details)	May 31, 2024 USD ($)	Nov. 23, 2021 USD ($)	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Jun. 30, 2023 USD ($)	Nov. 09, 2006 USD ($)
Debt Instrument [Line Items]
Principal repayments of Surplus Note			$ 1,500,000	$ 1,500,000	$ 1,500,000
Surplus during the term of surplus note			$ 50,000,000
2024 Revolving Loan Credit Facility \| Revolving Credit Facility
Debt Instrument [Line Items]
Debt term	364 days
Line of credit facility, maximum borrowing capacity	$ 50,000,000
Line of credit facility, unused capacity, commitment fee percentage	0.50%
Debt instrument, basis spread on variable rate	2.00%
2023 Revolving Loan Credit Facility \| Revolving Credit Facility
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity						$ 40,000,000
Surplus note
Debt Instrument [Line Items]
Unsecured term loan agreement							$ 25,000,000.0
Debt term							20 years
Effective interest rate			4.56%	4.30%	2.83%
Principal repayments of Surplus Note			$ 368,000
Net written premium to surplus ratio			2
Gross written premium to surplus ratio			6
Surplus note \| Hurricane
Debt Instrument [Line Items]
Surplus and reinsurance sufficient to cover in excess of UPCIC probable maximum loss			1-in-100 year
Unsecured Debt
Debt Instrument [Line Items]
Repurchased amount		$ 100,000,000
Unsecured Debt \| 5.625% Senior Unsecured
Debt Instrument [Line Items]
Unsecured term loan agreement		$ 100,000,000
Stated percentage		5.625%	5.625%
Unsecured Debt \| 5.625% Senior Unsecured \| Debt Instrument, Redemption, Period One
Debt Instrument [Line Items]
Redemption price		102.8125%
Redemption price, period		12 months
Unsecured Debt \| 5.625% Senior Unsecured \| Debt Instrument, Redemption, Period Two
Debt Instrument [Line Items]
Redemption price		101.40625%
Redemption price, period		12 months
Unsecured Debt \| 5.625% Senior Unsecured \| Debt Instrument, Redemption, Period Three
Debt Instrument [Line Items]
Redemption price		100.00%