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Insurance Operations - Assets Held by Insurance Regulators (Detail) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Investments [Member]
Statutory Accounting Practices [Line Items]
Assets held by insurance regulators	$ 3,434	$ 3,876
Restricted Cash and Cash Equivalents [Member]
Statutory Accounting Practices [Line Items]
Assets held by insurance regulators	$ 2,635	$ 2,635

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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 825
-Section 50
-Paragraph 1A
-URI http://asc.fasb.org/extlink&oid=75763970&loc=SL75763979-209797

+ Details

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X

- 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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- Details

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