For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 42
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482810/280-10-50-42

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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-URI https://asc.fasb.org//1943274/2147482907/825-10-50-21

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
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Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 275
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-Section 50
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-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482861/275-10-50-20

Name:	us-gaap_ConcentrationRiskPercentage1
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

Segment Information - Additional Information (Detail) - Segment	3 Months Ended		12 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Segment Reporting Information [Line Items]
Number of operating divisions	5
Sales Revenue, Net [Member] \| Segment Concentration Risk [Member] \| HCPCI Insurance Operations [Member]
Segment Reporting Information [Line Items]
Concentration risk, percentage	63.70%	61.20%
Sales Revenue, Net [Member] \| Segment Concentration Risk [Member] \| TypTap Group [Member]
Segment Reporting Information [Line Items]
Concentration risk, percentage	33.80%	36.50%
Assets [Member] \| Segment Concentration Risk [Member] \| HCPCI Insurance Operations [Member]
Segment Reporting Information [Line Items]
Concentration risk, percentage	53.10%		55.30%
Assets [Member] \| Segment Concentration Risk [Member] \| TypTap Group [Member]
Segment Reporting Information [Line Items]
Concentration risk, percentage	34.90%		33.60%