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INVESTMENT OPERATIONS (Details 3) (USD $)
2 Months Ended 3 Months Ended 1 Months Ended 3 Months Ended
Mar. 31, 2015
Mar. 31, 2013
Jan. 31, 2015
Mar. 31, 2014
Fixed maturities        
INVESTMENT OPERATIONS        
Other-than-temporary impairments related to fixed maturities or equity securities that the entity intended to sell or expected to be required to sell $ 0us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsAvailableforsaleSecurities
/ us-gaap_InvestmentTypeAxis
= us-gaap_DebtSecuritiesMember
     
Equity securities        
INVESTMENT OPERATIONS        
Other-than-temporary impairments of investments recorded   1,200,000us-gaap_MarketableSecuritiesRealizedGainLossOtherThanTemporaryImpairmentsAmount
/ us-gaap_InvestmentTypeAxis
= us-gaap_EquitySecuritiesMember
   
Other-than-temporary impairments related to fixed maturities or equity securities that the entity intended to sell or expected to be required to sell 0us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsAvailableforsaleSecurities
/ us-gaap_InvestmentTypeAxis
= us-gaap_EquitySecuritiesMember
     
Predecessor        
INVESTMENT OPERATIONS        
Other-than-temporary impairments of investments recorded     636,000us-gaap_MarketableSecuritiesRealizedGainLossOtherThanTemporaryImpairmentsAmount
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember
423,000us-gaap_MarketableSecuritiesRealizedGainLossOtherThanTemporaryImpairmentsAmount
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember
Other-than-temporary impairments of investments recorded in earnings     481,000us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember
1,591,000us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember
Other-than-temporary impairments of investments recorded in other comprehensive income (loss)     155,000plico_OtherThanTemporaryImpairmentsInOtherComprehensiveIncomeReclassificationBeforeTax
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember
(1,168,000)plico_OtherThanTemporaryImpairmentsInOtherComprehensiveIncomeReclassificationBeforeTax
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember
Additional non-credit losses     100,000plico_OtherThanTemporaryImpairmentAdditionalAmountRecognizedInOtherComprehensiveIncome
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember
 
Predecessor | Fixed maturities        
INVESTMENT OPERATIONS        
Other-than-temporary impairments of investments recorded     600,000us-gaap_MarketableSecuritiesRealizedGainLossOtherThanTemporaryImpairmentsAmount
/ us-gaap_InvestmentTypeAxis
= us-gaap_DebtSecuritiesMember
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember
400,000us-gaap_MarketableSecuritiesRealizedGainLossOtherThanTemporaryImpairmentsAmount
/ us-gaap_InvestmentTypeAxis
= us-gaap_DebtSecuritiesMember
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember
Other-than-temporary impairments related to fixed maturities or equity securities that the entity intended to sell or expected to be required to sell     0us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsAvailableforsaleSecurities
/ us-gaap_InvestmentTypeAxis
= us-gaap_DebtSecuritiesMember
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember
0us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsAvailableforsaleSecurities
/ us-gaap_InvestmentTypeAxis
= us-gaap_DebtSecuritiesMember
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember
Credit losses on debt securities        
Beginning balance     15,463,000us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld
/ us-gaap_InvestmentTypeAxis
= us-gaap_DebtSecuritiesMember
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember
41,674,000us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld
/ us-gaap_InvestmentTypeAxis
= us-gaap_DebtSecuritiesMember
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember
Additions for previously impaired securities     221,000us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsAdditionsAdditionalCreditLosses
/ us-gaap_InvestmentTypeAxis
= us-gaap_DebtSecuritiesMember
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember
474,000us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsAdditionsAdditionalCreditLosses
/ us-gaap_InvestmentTypeAxis
= us-gaap_DebtSecuritiesMember
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember
Reductions for previously impaired securities due to a change in expected cash flows       (21,356,000)us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsCashFlows
/ us-gaap_InvestmentTypeAxis
= us-gaap_DebtSecuritiesMember
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember
Ending balance     15,684,000us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld
/ us-gaap_InvestmentTypeAxis
= us-gaap_DebtSecuritiesMember
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember
20,792,000us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld
/ us-gaap_InvestmentTypeAxis
= us-gaap_DebtSecuritiesMember
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember
Predecessor | Equity securities        
INVESTMENT OPERATIONS        
Other-than-temporary impairments related to fixed maturities or equity securities that the entity intended to sell or expected to be required to sell     $ 0us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsAvailableforsaleSecurities
/ us-gaap_InvestmentTypeAxis
= us-gaap_EquitySecuritiesMember
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember
$ 0us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsAvailableforsaleSecurities
/ us-gaap_InvestmentTypeAxis
= us-gaap_EquitySecuritiesMember
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember