Provision for Loss Participation Feature

No definition available.

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- Definition

Provision for Sliding Scale Commission

+ References

No definition available.

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

Receivable for Sliding Scale Commission

+ References

No definition available.

+ Details

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- Definition

Reinsurance, Agreement Term

+ References

No definition available.

+ Details

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- Definition

Reinsurance, Number of Reinsurers

+ References

No definition available.

+ Details

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- Definition

Reinsurance, Number of Third-Party Reinsurers

+ References

No definition available.

+ Details

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- Definition

Reinsurance, Percentage Attributable To Program

+ References

No definition available.

+ Details

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- Definition

Reinsurance, Reimbursement Protection, Percentage

+ References

No definition available.

+ Details

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- Definition

Reinsurance Retention Policy, Ceded Risk, Percentage

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

Reinsurance Retention Policy, Excess Retention, Year Return Period Ratio

+ References

No definition available.

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Amount of the write-down or write-off of a receivable from a reinsurer.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479319/326-20-50-13

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Percentage of risk ceded to reinsurer in excess of risk undertaken originally by insurer that is not ceded to reinsurer.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479838/944-20-50-3

+ Details

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Data Type:	dtr-types:percentItemType
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Period Type:	duration

- Definition

Percentage of risk undertaken originally by insurer ceded to reinsurer.

+ References

+ Details

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

- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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Reinsurance - Narrative (Details)	3 Months Ended		9 Months Ended		12 Months Ended
Reinsurance - Narrative (Details)	Sep. 30, 2023 USD ($) reinsurer	Sep. 30, 2022 USD ($)	Sep. 30, 2023 USD ($) reinsurer	Sep. 30, 2022 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 reinsurer
Effects of Reinsurance [Line Items]
Loss on uncollectible accounts in period	$ 0	$ 0	$ 0	$ 0
Provision for sliding scale commission	15,600,000		15,600,000		$ 3,500,000
Receivable for sliding scale commission	5,400,000		5,400,000		4,500,000
Provision for loss participation feature	$ 106,000,000		$ 106,000,000		$ 51,300,000
Maximum \| Florida Hurricane Catastrophe Fund \| Florida
Effects of Reinsurance [Line Items]
Reimbursement protection, percentage (as a percent)	90.00%		90.00%
Reinsurance Policy, Type [Axis]: Non-Proportional Reinsurance
Effects of Reinsurance [Line Items]
Excess retention, year return period, ratio	0.004		0.004
Reinsurance Policy, Type [Axis]: Non-Proportional Reinsurance \| Maximum
Effects of Reinsurance [Line Items]
Excess retention, percentage (as a percent)			0.40%
Reinsurance Policy, Type [Axis]: Other Reinsurance - Corporate Catastrophe Excess of Loss Catastrophe Coverage
Effects of Reinsurance [Line Items]
Excess retention, year return period, ratio	0.004		0.004
Reinsurance Policy, Type [Axis]: Other Reinsurance - Corporate Catastrophe Excess of Loss Catastrophe Coverage \| Maximum
Effects of Reinsurance [Line Items]
Excess retention, percentage (as a percent)			0.40%
Reinsurance Policy, Type [Axis]: Other Reinsurance - Proportional and Excess of Loss Catastrophe Coverage \| Maximum
Effects of Reinsurance [Line Items]
Ceded risk, percentage (as a percent)			100.00%
Reinsurance Policy, Type [Axis]: Other Reinsurance - Proportional and Excess of Loss Catastrophe Coverage \| Minimum
Effects of Reinsurance [Line Items]
Ceded risk, percentage (as a percent)			75.00%
Reinsurance Policy, Type [Axis]: Proportional Reinsurance Treaties
Effects of Reinsurance [Line Items]
Reinsured risk, percentage (as a percent)			40.00%		10.00%	12.00%
Number of reinsurers \| reinsurer						2
Percentage attributable to program (as a percent)						33.00%
Agreement term (in years)						3 years
Reinsurance Policy, Type [Axis]: Proportional Reinsurance Treaties, Business Channel
Effects of Reinsurance [Line Items]
Reinsured risk, percentage (as a percent)			58.00%
Reinsurance, number of third-party reinsurers \| reinsurer	3		3