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Amount of accrued investment income held by the closed block.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 805
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478072/944-805-50-3

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Cash and highly liquid, safe investments that can be readily converted into cash (cash equivalents) allocated to the segregated group of participating or dividend-paying policies and contracts identified as the closed block.

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

Fair value of equity securities allocated to the segregated group of participating or dividend-paying policies and contracts identified as the closed block.

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Fair value of investments in debt securities that are deemed to be available for sale that are allocated to the segregated group of participating or dividend-paying policies and contracts identified as the closed block. Change in fair of such securities is a component of change in other comprehensive income in the period, which is reflected in the closed block disclosure.

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Amount of investments held by the closed block.

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Data Type:	xbrli:monetaryItemType
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Carrying amount of investments in mortgage loans on real estate allocated to the segregated group of participating or dividend-paying policies and contracts identified as the closed block.

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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

Amount of other assets held by the closed block. Excludes other investments.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
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Amount of other investments held by the closed block.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 805
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (b)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478072/944-805-50-3

Name:	us-gaap_AssetsDesignatedToClosedBlockOtherInvestments
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Data Type:	xbrli:monetaryItemType
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Carrying amount of loans to policy holders secured by benefits under insurance policies that are allocated to the segregated group of participating or dividend-paying policies and contracts identified as the closed block.

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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

Short-term investments allocated to the segregated group of participating or dividend-paying policies and contracts identified as the closed block.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 805
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (b)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478072/944-805-50-3

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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

Amount of investments in debt securities classified as trading that are held by the closed block.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 805
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (b)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478072/944-805-50-3

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For the segregated group of participating or dividend-paying policies and contracts identified as the closed block, the change in the period in the obligation representing amounts to be distributed to policyholders owning contracts in the closed block. Also a component of change in other comprehensive income in the period, which is reflected in the closed block disclosure.

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- References

No definition available.

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Data Type:	xbrli:stringItemType
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The carrying amount of closed block liabilities in excess of the carrying amount of closed block assets at the date of demutualization (adjusted to eliminate the impact of related amounts in accumulated other comprehensive income).

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 944
-SubTopic 805
-Name Accounting Standards Codification
-Section 55
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477301/944-805-55-4

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Topic 944
-SubTopic 805
-Name Accounting Standards Codification
-Section 55
-Paragraph 5
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477301/944-805-55-5

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 805
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (b)(9)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478072/944-805-50-3

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Data Type:	xbrli:monetaryItemType
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The net increase or decrease in the period in the fair value of the fixed maturity and equity investments designated as available for sale as of the balance sheet date that were allocated to the segregated group of participating or dividend-paying policies and contracts identified as a closed block. Also a component of change in other comprehensive income in the period, which is reflected in the closed block disclosure.

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For the segregated group of participating or dividend-paying policies and contracts along with the assets backing them (known as a closed block), the total of future policy benefits, policyholder account balance, policyholder dividend obligation and any other closed block liabilities.

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- References

No definition available.

Name:	us-gaap_ClosedBlockLiabilitiesAbstract
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Data Type:	xbrli:stringItemType
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The liability as of the balance sheet date for future benefits to be paid to or on behalf of policyholders and expenses, less the present value of future net premiums payable under the insurance contracts and the policy cash accumulations, for the segregated group of participating or dividend-paying policies and contracts identified as a closed block.

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Amount of liabilities allocated to the closed block, classified as other.

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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

Amount of closed block policyholder funds held, which are refundable.

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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The liability as of the balance sheet date for the excess of the cumulative actual closed block earnings over the cumulative expected (actuarially determined) closed block earnings (each) for the period from the actuarial calculation date to the date of measurement. The excess will result in future dividends to closed block policyholders, unless offset by less favorable than expected future performance of the closed block. The policyholder dividend obligation, which may not have a negative balance, recognizes that a portion of earnings in certain cases will not inure to the stockholders of the insurance entity.

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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

Amount of dividends payable as of the balance sheet date to policyholders of contracts in the closed block.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
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The difference between the liabilities of and the assets allocated to the segregated group of participating or dividend-paying policies and contracts identified as the closed block.