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Insurance Operations - Assets Held by Insurance Regulators (Detail) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Restricted cash and cash equivalents
Statutory Accounting Practices [Line Items]
Assets held by insurance regulators	$ 2,635	$ 2,635
Restricted cash and cash equivalents | Florida
Statutory Accounting Practices [Line Items]
Assets held by insurance regulators	1,800	1,800
Restricted cash and cash equivalents | Georgia
Statutory Accounting Practices [Line Items]
Assets held by insurance regulators	35	35
Restricted cash and cash equivalents | North Carolina
Statutory Accounting Practices [Line Items]
Assets held by insurance regulators	800	800
Investments
Statutory Accounting Practices [Line Items]
Assets held by insurance regulators	3,418	3,329
Investments | Hawaii
Statutory Accounting Practices [Line Items]
Assets held by insurance regulators	2,842	2,762
Investments | Massachusetts
Statutory Accounting Practices [Line Items]
Assets held by insurance regulators	123	121
Investments | South Carolina
Statutory Accounting Practices [Line Items]
Assets held by insurance regulators	133	131
Investments | Virginia
Statutory Accounting Practices [Line Items]
Assets held by insurance regulators	$ 319	$ 315

X

- Definition

Carrying amount of cash and investment securities on deposit with state regulatory authorities in connection with capital requirements.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 825
-Name Accounting Standards Codification
-Section 50
-Paragraph 1A
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477351/944-825-50-1A

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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

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(23)(c))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1

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