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Represents the number of policies the company actually assumes.

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Date the holder must own the stock to be entitled to the dividend, in YYYY-MM-DD format.

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The redemption (or callable) amount of currently redeemable preferred stock. Includes amounts representing dividends not currently declared or paid but which will be payable under the redemption features or for which ultimate payment is solely within the control of the issuer.

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Amount of cash inflow from maturity, prepayment and call of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

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Carrying amount, attributable to parent and noncontrolling interests, of an entity's issued and outstanding stock which is not included within permanent equity. Temporary equity is a security with redemption features that are outside the control of the issuer, is not classified as an asset or liability in conformity with GAAP, and is not mandatorily redeemable. Includes any type of security that is redeemable at a fixed or determinable price or on a fixed or determinable date or dates, is redeemable at the option of the holder, or has conditions for redemption which are not solely within the control of the issuer. Includes stock with a put option held by an ESOP and stock redeemable by a holder only in the event of a change in control of the issuer.

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Expiration date of outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur, in YYYY-MM-DD format.

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Subsequent Events - Additional Information (Detail) $ / shares in Units, $ in Thousands								1 Months Ended	2 Months Ended	12 Months Ended
	Feb. 27, 2024 USD ($) InsurancePolicy	Feb. 14, 2024 USD ($)	Jan. 24, 2024 $ / shares	Jan. 23, 2024 USD ($) InsurancePolicy	Jan. 22, 2024 USD ($) shares	Jan. 02, 2024 USD ($)	Oct. 13, 2023 $ / shares	Feb. 29, 2024 USD ($)	Mar. 08, 2024 USD ($) shares	Dec. 31, 2023 USD ($) shares	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Subsequent Event [Line Items]
Proceeds from calls, repayments and maturities of fixed-maturity securities										$ 328,719	$ 151,415	$ 23,430
Carrying Value, Redemption Amount										$ 96,160	$ 93,553	$ 89,955
Warrant to purchase shares \| shares										750,000
Debt Instrument, Interest Rate, Stated Percentage										4.25%	4.25%	4.25%
Long-Term Debt, Gross										$ 213,024	$ 217,340
Dividends per common share \| $ / shares							$ 0.4
Dividends, date of declared							Oct. 13, 2023
Dividends, date of record							Nov. 17, 2023
Dividends, date of payment							Dec. 15, 2023
Four Point Two Five Percentage Convertible Senior Notes [Member]
Subsequent Event [Line Items]
Debt Instrument, Interest Rate, Stated Percentage										4.25%
Long-Term Debt, Gross										$ 23,916	$ 23,916
Subsequent Event [Member]
Subsequent Event [Line Items]
Proceeds from calls, repayments and maturities of fixed-maturity securities						$ 91,085
Preferred Stock redemption value					$ 102,923
Carrying Value, Redemption Amount					$ 96,695
Warrants Expiration Date					Feb. 26, 2025
Fair value of the warrants					$ 3,386
Debt Conversion Converted Instrument Expected Shares Issued \| shares									397,000
Redemption Date									Mar. 15, 2024
Debt Instrument, Interest Rate, Stated Percentage									4.25%
Dividends per common share \| $ / shares			$ 0.4
Dividends, date of declared			Jan. 24, 2024
Dividends, date of record			Feb. 16, 2024
Dividends, date of payment			Mar. 15, 2024
Subsequent Event [Member] \| Maximum [Member]
Subsequent Event [Line Items]
Capital Raise From Common Stock Issuance					$ 75,000
Subsequent Event [Member] \| CORE [Member]
Subsequent Event [Line Items]
Assumed Policies \| InsurancePolicy	323
Annualized Premiums Written	$ 38,273
Subsequent Event [Member] \| Series A Preferred Stock [Member]
Subsequent Event [Line Items]
Warrant to purchase shares \| shares					750,000
Subsequent Event [Member] \| Series A Preferred Stock [Member] \| Unpaid Dividends [Member]
Subsequent Event [Line Items]
Preferred Stock redemption value					$ 2,923
Subsequent Event [Member] \| Series A Preferred Stock [Member] \| Preferred Stock - Par Value [Member]
Subsequent Event [Line Items]
Preferred Stock redemption value					100,000
Subsequent Event [Member] \| Revolving Credit Facility [Member]
Subsequent Event [Line Items]
Line of credit withdrawn for redemption					$ 50,000
Subsequent Event [Member] \| Amended Warrants [Member] \| Maximum [Member]
Subsequent Event [Line Items]
Remaining Warrants \| shares					450,000
Subsequent Event [Member] \| Original Warrants [Member]
Subsequent Event [Line Items]
Underlying Warrants \| shares					300,000
Subsequent Event [Member] \| Four Point Two Five Percentage Convertible Senior Notes [Member]
Subsequent Event [Line Items]
Debt Instrument, Interest Rate, Stated Percentage									4.25%
Debt Conversion, Original Debt, Amount									$ 23,380
Long-Term Debt, Gross									$ 23,916
Debt Conversion, Converted Instrument, Shares Issued \| shares									387,928
Subsequent Event [Member] \| Warrant Increment 1 [Member]
Subsequent Event [Line Items]
Warrants Expiration Date					Dec. 31, 2026
Subsequent Event [Member] \| Warrant Increment 1 [Member] \| Amended Warrants [Member]
Subsequent Event [Line Items]
Warrants Outstanding 1 \| shares					150,000
Subsequent Event [Member] \| Warrant Increment 2 [Member]
Subsequent Event [Line Items]
Warrants Expiration Date					Dec. 31, 2027
Subsequent Event [Member] \| Warrant Increment 2 [Member] \| Amended Warrants [Member]
Subsequent Event [Line Items]
Warrants Outstanding 2 \| shares					150,000
Subsequent Event [Member] \| Warrant Increment 3 [Member]
Subsequent Event [Line Items]
Warrants Expiration Date					Dec. 31, 2028
Subsequent Event [Member] \| Warrant Increment 3 [Member] \| Amended Warrants [Member]
Subsequent Event [Line Items]
Warrants Outstanding 3 \| shares					150,000
Subsequent Event [Member] \| TypTap
Subsequent Event [Line Items]
Assumed Policies \| InsurancePolicy				947,800
Annualized Premiums Written				$ 48,012
Net Withdrawal From Funds Held Under Reinsurance Agreement		$ 15,000						$ 4,462