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
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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-URI http://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		6 Months Ended		12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Segment Reporting Information [Line Items]
Number of operating divisions			4
Sales Revenue, Net [Member] \| Segment Concentration Risk [Member] \| TypTap [Member]
Segment Reporting Information [Line Items]
Concentration risk, percentage	27.90%	20.30%	28.10%	18.90%
Sales Revenue, Net [Member] \| Segment Concentration Risk [Member] \| HCPCI Insurance Operations [Member]
Segment Reporting Information [Line Items]
Concentration risk, percentage	69.80%	77.60%	69.80%	77.80%
Assets [Member] \| Segment Concentration Risk [Member] \| TypTap [Member]
Segment Reporting Information [Line Items]
Concentration risk, percentage			33.10%		29.30%
Assets [Member] \| Segment Concentration Risk [Member] \| HCPCI Insurance Operations [Member]
Segment Reporting Information [Line Items]
Concentration risk, percentage			55.20%		58.70%