Name:	cik0000726865_RbcRatioCompanyActionLevelHighEnd
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The low end of the risk-based capital percentage range that requires an insurer to submit a plan to the regulator detailing corrective action it proposes to undertake

No definition available.

Name:	cik0000726865_RbcRatioCompanyActionLevelLowEnd
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Regulatory restrictions on payment of dividends, Statutory limitation as percentage of insurer contract holder surplus

No definition available.

Name:	cik0000726865_RegulatoryRestrictionsOnPaymentOfDividendsStatutoryLimitationAsPercentageOfInsurerContractHolderSurplus
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Data Type:	num:percentItemType
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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.

No definition available.

Name:	us-gaap_StatutoryAccountingPracticesLineItems
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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Amount of dividends available for payment after computation of statutory restrictions on capital surplus.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(e))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690