XML 31 R57.htm IDEA: XBRL DOCUMENT v2.4.1.9
Schedule of Rollforward of Level Three Assets and Liabilities Held at Fair Value on Recurring Basis (Detail) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended 9 Months Ended 3 Months Ended
Dec. 31, 2013
Dec. 01, 2013
Dec. 31, 2012
Dec. 31, 2014
Mar. 31, 2014
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]          
Level 3 assets, Balance at beginning of period $ 312us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue $ 312us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue $ 2,919us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue    
Level 3 assets, Transfers into Level 3   0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3 0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3    
Level 3 assets, Transfers out of Level 3     (2,321)us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3    
Level 3 assets, Issues 0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssues   0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssues    
Level 3 assets, Settlements (312)us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements   (286)us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements    
Level 3 assets, Balance at end of period     312us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue    
Equity indexed annuity contracts          
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]          
Level 3 liabilities, Balance at beginning of period       (58,038)us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= ck0000910739_AnnuityContractsMember		  
Level 3 liabilities, Total gains (losses) included in net income       (5,622)us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= ck0000910739_AnnuityContractsMember		  
Level 3 liabilities, Total gains (losses) included in OCI       0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInOtherComprehensiveIncome
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= ck0000910739_AnnuityContractsMember		  
Level 3 liabilities, Transfers into Level 3       0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersIntoLevel3
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= ck0000910739_AnnuityContractsMember		  
Level 3 liabilities, Transfers out of Level 3       0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersOutOfLevel3
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= ck0000910739_AnnuityContractsMember		  
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchases       0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchases
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= ck0000910739_AnnuityContractsMember		  
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySales       0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySales
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= ck0000910739_AnnuityContractsMember		  
FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValueEndingBalance       (63,660)us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= ck0000910739_AnnuityContractsMember		  
Equity indexed life contracts          
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]          
Level 3 liabilities, Balance at beginning of period       (15,691)us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= ck0000910739_LifeSettlementContractsMember		  
Level 3 liabilities, Total gains (losses) included in net income       (3,029)us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= ck0000910739_LifeSettlementContractsMember		  
Level 3 liabilities, Total gains (losses) included in OCI       0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInOtherComprehensiveIncome
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= ck0000910739_LifeSettlementContractsMember		  
Level 3 liabilities, Transfers into Level 3       0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersIntoLevel3
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= ck0000910739_LifeSettlementContractsMember		  
Level 3 liabilities, Transfers out of Level 3       0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersOutOfLevel3
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= ck0000910739_LifeSettlementContractsMember		  
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchases       0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchases
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= ck0000910739_LifeSettlementContractsMember		  
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySales       0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySales
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= ck0000910739_LifeSettlementContractsMember		  
FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValueEndingBalance       (18,720)us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= ck0000910739_LifeSettlementContractsMember		  
GMWB/GMAB          
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]          
Level 3 liabilities, Balance at beginning of period       (8,499)us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= ck0000910739_GuaranteedMinimumWithdrawalBenefitAndGuaranteedMinimumAccumulationBenefitMember		 [1]  
Level 3 liabilities, Total gains (losses) included in net income       (1,766)us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= ck0000910739_GuaranteedMinimumWithdrawalBenefitAndGuaranteedMinimumAccumulationBenefitMember		 [1]  
Level 3 liabilities, Total gains (losses) included in OCI       0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInOtherComprehensiveIncome
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= ck0000910739_GuaranteedMinimumWithdrawalBenefitAndGuaranteedMinimumAccumulationBenefitMember		 [1]  
Level 3 liabilities, Transfers into Level 3       0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersIntoLevel3
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= ck0000910739_GuaranteedMinimumWithdrawalBenefitAndGuaranteedMinimumAccumulationBenefitMember		 [1]  
Level 3 liabilities, Transfers out of Level 3       0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersOutOfLevel3
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= ck0000910739_GuaranteedMinimumWithdrawalBenefitAndGuaranteedMinimumAccumulationBenefitMember		 [1]  
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchases       0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchases
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= ck0000910739_GuaranteedMinimumWithdrawalBenefitAndGuaranteedMinimumAccumulationBenefitMember		 [1]  
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySales       0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySales
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= ck0000910739_GuaranteedMinimumWithdrawalBenefitAndGuaranteedMinimumAccumulationBenefitMember		 [1]  
FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValueEndingBalance       (6,733)us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= ck0000910739_GuaranteedMinimumWithdrawalBenefitAndGuaranteedMinimumAccumulationBenefitMember		 [1]  
All other corporate securities          
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]          
Level 3 assets, Balance at beginning of period 312us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_CorporateDebtSecuritiesMember		 312us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_CorporateDebtSecuritiesMember		 598us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_CorporateDebtSecuritiesMember		 400,527us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_CorporateDebtSecuritiesMember		  
Level 3 assets, Total gains (losses) included in net income       6,693us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_CorporateDebtSecuritiesMember		  
Level 3 assets, Total gains (losses) included in OCI       (7,841)us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_CorporateDebtSecuritiesMember		  
Level 3 assets, Transfers into Level 3   0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_CorporateDebtSecuritiesMember		 0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_CorporateDebtSecuritiesMember		 0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_CorporateDebtSecuritiesMember		  
Level 3 assets, Transfers out of Level 3       (291,802)us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_CorporateDebtSecuritiesMember		  
Level 3 assets, Purchases       4,930us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_CorporateDebtSecuritiesMember		  
Level 3 assets, Sales       (97,228)us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_CorporateDebtSecuritiesMember		  
Level 3 assets, Issues 0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssues
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_CorporateDebtSecuritiesMember		   0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssues
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_CorporateDebtSecuritiesMember		 0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssues
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_CorporateDebtSecuritiesMember		  
Level 3 assets, Settlements (312)us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_CorporateDebtSecuritiesMember		   (286)us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_CorporateDebtSecuritiesMember		    
Level 3 assets, Balance at end of period     312us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_CorporateDebtSecuritiesMember		 15,279us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_CorporateDebtSecuritiesMember		  
Short-term investments          
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]          
Level 3 assets, Balance at beginning of period       24,095us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_ShortTermInvestmentsMember		  
Level 3 assets, Total gains (losses) included in net income       29us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_ShortTermInvestmentsMember		  
Level 3 assets, Transfers into Level 3       0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_ShortTermInvestmentsMember		  
Level 3 assets, Sales       (411)us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_ShortTermInvestmentsMember		  
Level 3 assets, Issues       0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssues
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_ShortTermInvestmentsMember		  
Level 3 assets, Balance at end of period       23,713us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_ShortTermInvestmentsMember		  
Residential mortgage-backed securities ("RMBS")          
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]          
Level 3 assets, Balance at beginning of period     2,321us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_ResidentialMortgageBackedSecuritiesMember		    
Level 3 assets, Transfers into Level 3     0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_ResidentialMortgageBackedSecuritiesMember		    
Level 3 assets, Transfers out of Level 3     (2,321)us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_ResidentialMortgageBackedSecuritiesMember		    
Level 3 assets, Issues     0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssues
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_ResidentialMortgageBackedSecuritiesMember		    
Predecessor          
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]          
Level 3 liabilities, Balance at beginning of period (314,926)us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember		   (506,678)us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember		   (267,859)us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember
Level 3 liabilities, Total gains (losses) included in net income 43,244us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember		 [2]   131,054us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember		 [3]   18,525us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember		 [4]
Level 3 liabilities, Total gains (losses) included in OCI 0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInOtherComprehensiveIncome
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember		   0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInOtherComprehensiveIncome
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember		   0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInOtherComprehensiveIncome
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember
Level 3 liabilities, Transfers into Level 3 0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersIntoLevel3
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember		   0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersIntoLevel3
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember		   0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersIntoLevel3
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember
Level 3 liabilities, Transfers out of Level 3 0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersOutOfLevel3
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember		   0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersOutOfLevel3
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember		   0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersOutOfLevel3
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchases 0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchases
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember		   0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchases
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember		   0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchases
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySales 0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySales
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember		   0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySales
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember		   0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySales
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues (6,621)us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember		   (11,024)us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember		   (3,764)us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements 10,444us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember		   71,722us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember		   2,612us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember
FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValueEndingBalance (267,859)us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember		   (314,926)us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember		   (250,486)us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember
Predecessor | Derivatives embedded in life and annuity contracts          
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]          
Level 3 liabilities, Balance at beginning of period (314,926)us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue
/ us-gaap_FairValueByLiabilityClassAxis
= ck0000910739_DerivativesEmbeddedInAnnuityContractsMember
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember		   (506,678)us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue
/ us-gaap_FairValueByLiabilityClassAxis
= ck0000910739_DerivativesEmbeddedInAnnuityContractsMember
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember		   (267,859)us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue
/ us-gaap_FairValueByLiabilityClassAxis
= ck0000910739_DerivativesEmbeddedInAnnuityContractsMember
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember
Level 3 liabilities, Total gains (losses) included in net income 43,244us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings
/ us-gaap_FairValueByLiabilityClassAxis
= ck0000910739_DerivativesEmbeddedInAnnuityContractsMember
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember		 [2]   131,054us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings
/ us-gaap_FairValueByLiabilityClassAxis
= ck0000910739_DerivativesEmbeddedInAnnuityContractsMember
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember		 [3]   18,525us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings
/ us-gaap_FairValueByLiabilityClassAxis
= ck0000910739_DerivativesEmbeddedInAnnuityContractsMember
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember		 [4]
Level 3 liabilities, Total gains (losses) included in OCI 0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInOtherComprehensiveIncome
/ us-gaap_FairValueByLiabilityClassAxis
= ck0000910739_DerivativesEmbeddedInAnnuityContractsMember
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember		   0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInOtherComprehensiveIncome
/ us-gaap_FairValueByLiabilityClassAxis
= ck0000910739_DerivativesEmbeddedInAnnuityContractsMember
/ us-gaap_StatementScenarioAxis
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[1] These amount are 100% ceded in accordance with the Company's reinsurance agreements.
[2] The amount attributable to derivatives embedded in life and annuity contracts was reported as follows: $33.0 million in interest credited to contractholder funds and $10.2 million in contract benefits. These amounts were ceded in accordance with the Company's reinsurance agreements.
[3] The amount attributable to derivatives embedded in life and annuity contracts was reported as follows: $125.9 million in interest credited to contractholder funds and $5.1 million in contract benefits. These amounts were ceded in accordance with the Company's reinsurance agreements.
[4] The amount attributable to derivatives embedded in life and annuity contracts was reported as follows: $17.6 million in interest credited to contractholder funds and $946 thousand in contract benefits. These amounts were ceded in accordance with the Company's reinsurance agreements.