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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 42
-URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e9054-108599

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 18
-URI https://asc.fasb.org/extlink&oid=99393423&loc=d3e6351-108592

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 20
-URI https://asc.fasb.org/extlink&oid=123594938&loc=d3e13531-108611

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
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-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=123594938&loc=d3e13537-108611

Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 20
-URI https://asc.fasb.org/extlink&oid=99393423&loc=d3e6404-108592

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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, 2023	Mar. 31, 2022	Dec. 31, 2022
Segment Reporting Information [Line Items]
Number of operating divisions	4
Sales Revenue, Net [Member] \| Segment Concentration Risk [Member] \| HCPCI Insurance Operations [Member]
Segment Reporting Information [Line Items]
Concentration risk, percentage	61.20%	69.80%
Sales Revenue, Net [Member] \| Segment Concentration Risk [Member] \| TypTap Insurance Group
Segment Reporting Information [Line Items]
Concentration risk, percentage	36.50%	28.30%
Assets [Member] \| Segment Concentration Risk [Member] \| HCPCI Insurance Operations [Member]
Segment Reporting Information [Line Items]
Concentration risk, percentage	52.50%		53.40%
Assets [Member] \| Segment Concentration Risk [Member] \| TypTap Insurance Group
Segment Reporting Information [Line Items]
Concentration risk, percentage	39.00%		37.90%