The amount of deferred acquisition costs (DAC) related to investments that was amortized during the period.

No definition available.

Name:	plico_AmortizationOfDeferredPolicyAcquisitionCostsRelatedToInvestments
Namespace Prefix:	plico_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Aggregate net gain (loss) on all derivative instruments recognized in earnings during the period, before tax effects, net of settlements on certain interest rate swaps and activity related to certain annuities.

+ References

No definition available.

+ Details

Name:	plico_GainLossOnDerivativeInstrumentsPreTaxNetOfCertainSettlementsAndAnnuityActivity
Namespace Prefix:	plico_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Represents the net gains (losses) on derivative activities related to certain annuities during the period, before tax effects.

+ References

No definition available.

+ Details

Name:	plico_GainLossOnDerivativeInstrumentsRelatedToAnnuities
Namespace Prefix:	plico_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Aggregate carrying amount, as of the balance sheet date, of investments and other assets not separately identified in the segment information.

+ References

No definition available.

+ Details

Name:	plico_InvestmentsAndOtherAssets
Namespace Prefix:	plico_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Represents the total realized gain (loss) included in earnings during the period as a result of investments other than derivative financial instruments, including the amount recognized in earnings for other than temporary impairments (OTTI) of investments in debt and equity securities.

+ References

No definition available.

+ Details

Name:	plico_RealizedInvestmentGainsLossesAllOtherInvestmentsIncludingOtherThanTemporaryImpairments
Namespace Prefix:	plico_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

+ References

No definition available.

+ Details

Name:	plico_RealizedInvestmentGainsLossesAllOtherInvestmentsIncludingOtherThanTemporaryImpairmentsAndNetOfAmortizationOfDeferredPolicyAcquisitionCosts
Namespace Prefix:	plico_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.18)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 12

-Article 7

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 18

-Article 5

+ Details

Name:	us-gaap_Assets
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Carrying (unamortized) amount as of the balance sheet date of deferred policy acquisition costs and value of business acquired (also called present value of future profits).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 20

-Section S99

-Paragraph 2

-Subparagraph (2)

-URI http://asc.fasb.org/extlink&oid=27015749&loc=d3e569990-122904

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=35755530&loc=d3e11264-158415

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.7)

-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

+ Details

Name:	us-gaap_DeferredPolicyAcquisitionCostsAndValueOfBusinessAcquired
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

Name:	us-gaap_DerivativeGainLossOnDerivativeNetAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Aggregate net gain (loss) on all derivative instruments recognized in earnings during the period, before tax effects.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4A

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5618551-113959

+ Details

Name:	us-gaap_GainLossOnDerivativeInstrumentsNetPretax
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

Name:	us-gaap_GainLossOnInvestmentsAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266

+ Details

Name:	us-gaap_Goodwill
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(h))

-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 08

-Paragraph h

-Article 4

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Income Tax Expense (or Benefit)

-URI http://asc.fasb.org/extlink&oid=6515339

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 9

-Subparagraph (a),(b)

-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319

+ Details

Name:	us-gaap_IncomeTaxExpenseBenefit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 260

-SubTopic 10

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Other Comprehensive Income

-URI http://asc.fasb.org/extlink&oid=6519514

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Net Income

-URI http://asc.fasb.org/extlink&oid=6518256

Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 225

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-04.19)

-URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913

Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.18)

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

Reference 7: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 225

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-04.22)

-URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913

Reference 8: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 19

-Article 5

Reference 9: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Paragraph 20

-Article 9

+ Details

Name:	us-gaap_NetIncomeLoss
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The net result for the period of deducting operating expenses from operating revenues.

+ References

No definition available.

+ Details

Name:	us-gaap_OperatingIncomeLoss
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The net carrying amount as of the balance sheet date of other indefinite-lived and finite-lived intangible assets that are not separately presented on the statement of financial position.

+ References

No definition available.

+ Details

Name:	us-gaap_OtherIntangibleAssetsNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The amount of other than temporary impairment (OTTI) losses on equity securities, OTTI related to credit losses on debt securities, and OTTI losses on debt securities when the entity intends to sell the securities or it is more likely than not that the entity will be required to sell the securities before recovery of its amortized cost basis. Additionally, this item includes OTTI losses recognized during the period on investments accounted for under the cost method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 50

-Paragraph 8B

-URI http://asc.fasb.org/extlink&oid=27724398&loc=SL6284393-111563

+ Details

Name:	us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1)

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 1

-Article 5

+ Details

Name:	us-gaap_Revenues
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

Name:	us-gaap_SegmentReportingInformationAdditionalInformationAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_SegmentReportingInformationLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_ConsolidationItemsAxis=us-gaap_MaterialReconcilingItemsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ConsolidationItemsAxis=us-gaap_OperatingSegmentsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementScenarioAxis=us-gaap_PredecessorMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

OPERATING SEGMENTS (Details) (USD $) In Thousands, unless otherwise specified	2 Months Ended	1 Months Ended	3 Months Ended
	Mar. 31, 2015	Jan. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
Summarized financial information for the company's segments
Revenues	$ 640,961us-gaap_Revenues
Segment Operating Income (Loss)	67,525us-gaap_OperatingIncomeLoss
Realized investment (losses) gains - investments	(42,933)
Realized investment (losses) gains - derivatives	(56)
Income tax expense	(8,116)us-gaap_IncomeTaxExpenseBenefit
Net income	16,420us-gaap_NetIncomeLoss
Realized gain (losses) on investments
Investment gains (losses)	(35,056)
Less: amortization related to DAC/VOBA and benefits and settlement expenses	7,877
Realized investment gains (losses) - investments	(42,933)
Realized gain (losses) on derivatives
Realized investment gains (losses) - derivatives, gross	(4,948)
Less: VA GMWB economic cost	(4,892)
Realized investment gains (losses) - derivatives	(56)
Operating Segment Assets
Investments and other assets	68,021,974plico_InvestmentsAndOtherAssets
Deferred policy acquisition costs and value of business acquired	1,316,346
Other intangibles	676,114us-gaap_OtherIntangibleAssetsNet
Goodwill	735,712us-gaap_Goodwill
Total assets	70,750,146us-gaap_Assets
Operating \| Life Marketing
Summarized financial information for the company's segments
Revenues	254,922
Segment Operating Income (Loss)	4,281
Operating Segment Assets
Investments and other assets	13,568,112
Deferred policy acquisition costs and value of business acquired	991,539
Other intangibles	333,841
Goodwill	203,543
Total assets	15,097,035
Operating \| Acquisitions
Summarized financial information for the company's segments
Revenues	258,789
Segment Operating Income (Loss)	36,070
Operating Segment Assets
Investments and other assets	20,526,268
Deferred policy acquisition costs and value of business acquired	(183,586)
Other intangibles	41,574
Goodwill	14,524
Total assets	20,398,780
Operating \| Annuities
Summarized financial information for the company's segments
Revenues	49,344
Segment Operating Income (Loss)	31,373
Operating Segment Assets
Investments and other assets	20,319,419
Deferred policy acquisition costs and value of business acquired	462,339
Other intangibles	206,778
Goodwill	336,677
Total assets	21,325,213
Operating \| Stable Value Products
Summarized financial information for the company's segments
Revenues	10,342
Segment Operating Income (Loss)	6,115
Operating Segment Assets
Investments and other assets	1,799,982
Other intangibles	9,889
Goodwill	113,813
Total assets	1,923,684
Operating \| Asset Protection
Summarized financial information for the company's segments
Revenues	49,296
Segment Operating Income (Loss)	3,643
Operating Segment Assets
Investments and other assets	733,873
Deferred policy acquisition costs and value of business acquired	46,054
Other intangibles	84,032
Goodwill	67,155
Total assets	931,114
Operating \| Corporate and Other
Summarized financial information for the company's segments
Revenues	18,268
Segment Operating Income (Loss)	(13,957)
Operating Segment Assets
Investments and other assets	11,063,000
Total assets	11,063,000
Adjustments
Operating Segment Assets
Investments and other assets	11,320
Total assets	11,320
Predecessor
Summarized financial information for the company's segments
Revenues		459,646	1,089,349
Segment Operating Income (Loss)		19,000	127,346
Realized investment (losses) gains - investments		89,414	57,930
Realized investment (losses) gains - derivatives		24,433	(33,665)
Income tax expense		(44,325)	(49,062)
Net income		88,522	102,549
Realized gain (losses) on investments
Investment gains (losses)		80,672	70,555
Less: amortization related to DAC/VOBA and benefits and settlement expenses		(8,742)	12,625
Realized investment gains (losses) - investments		89,414	57,930
Realized gain (losses) on derivatives
Realized investment gains (losses) - derivatives, gross		22,031	(39,574)
Less: VA GMWB economic cost		(2,402)	(5,909)
Realized investment gains (losses) - derivatives		24,433	(33,665)
Other-than-temporary impairments		481	1,591
Operating Segment Assets
Investments and other assets				66,759,495
Deferred policy acquisition costs and value of business acquired				3,155,046
Goodwill				77,577
Total assets				69,992,118
Predecessor \| Operating \| Life Marketing
Summarized financial information for the company's segments
Revenues		133,361	352,823
Segment Operating Income (Loss)		(2,271)	22,497
Operating Segment Assets
Investments and other assets				13,858,491
Deferred policy acquisition costs and value of business acquired				1,973,156
Total assets				15,831,647
Predecessor \| Operating \| Acquisitions
Summarized financial information for the company's segments
Revenues		139,761	426,948
Segment Operating Income (Loss)		20,134	60,996
Operating Segment Assets
Investments and other assets				19,858,284
Deferred policy acquisition costs and value of business acquired				600,482
Goodwill				29,419
Total assets				20,488,185
Predecessor \| Operating \| Annuities
Summarized financial information for the company's segments
Revenues		130,918	191,975
Segment Operating Income (Loss)		11,363	45,328
Operating Segment Assets
Investments and other assets				20,678,948
Deferred policy acquisition costs and value of business acquired				539,965
Total assets				21,218,913
Predecessor \| Operating \| Stable Value Products
Summarized financial information for the company's segments
Revenues		8,181	27,851
Segment Operating Income (Loss)		4,529	17,397
Operating Segment Assets
Investments and other assets				1,958,867
Deferred policy acquisition costs and value of business acquired				621
Total assets				1,959,488
Predecessor \| Operating \| Asset Protection
Summarized financial information for the company's segments
Revenues		24,566	72,846
Segment Operating Income (Loss)		1,907	4,809
Operating Segment Assets
Investments and other assets				832,887
Deferred policy acquisition costs and value of business acquired				40,503
Goodwill				48,158
Total assets				921,548
Predecessor \| Operating \| Corporate and Other
Summarized financial information for the company's segments
Revenues		22,859	16,906
Segment Operating Income (Loss)		(16,662)	(23,681)
Operating Segment Assets
Investments and other assets				9,557,226
Deferred policy acquisition costs and value of business acquired				319
Total assets				9,557,545
Predecessor \| Adjustments
Operating Segment Assets
Investments and other assets				14,792
Total assets				$ 14,792