Represents the average size of mortgage loans on real estate held in the portfolio on the balance sheet date.

No definition available.

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- Definition

Represents the percentage of the mortgage loan portfolio represented by an single tenant.

+ References

No definition available.

+ Details

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- Definition

Represents the amount of mortgage loans on real estate due to the entity after the eleventh fiscal year following the latest fiscal year, if the loans are called at their next call dates.

+ References

No definition available.

+ Details

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- Definition

Represents the amount of mortgage loans on real estate due to the entity in the next fiscal year following the latest fiscal year ended, if the loans are called at their next call dates.

+ References

No definition available.

+ Details

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- Definition

Represents the amount of mortgage loans on real estate due to the entity in the seventh fiscal year through the eleventh fiscal year following the latest fiscal year, if the loans are called at their next call dates.

+ References

No definition available.

+ Details

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- Definition

Represents the amount of mortgage loans on real estate due to the entity in the second fiscal year through the sixth fiscal year following the latest fiscal year, if the loans are called at their next call dates.

+ References

No definition available.

+ Details

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- Definition

Represents the amount of the largest mortgage loan on real estate held in the portfolio as of the balance sheet date.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

- Definition

Represents the average size of new mortgage loans on real estate during the reporting period.

+ References

No definition available.

+ Details

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

- Definition

Represents the period within which the call option or interest rate reset option on the mortgage loan on real estate can be exercised.

+ References

No definition available.

+ Details

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Namespace Prefix:	plico_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the number of single tenants whose exposure represents more then two percent of the mortgage loan portfolio.

+ References

No definition available.

+ Details

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Namespace Prefix:	plico_
Data Type:	xbrli:integerItemType
Balance Type:	na
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- Definition

Represents mortgage loans on real estate as a percentage of the total portfolio.

+ References

No definition available.

+ Details

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Namespace Prefix:	plico_
Data Type:	num:percentItemType
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- Definition

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.

+ References

No definition available.

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The balance represents the amount of loans that are secured by real estate mortgages, offset by the reserve to cover probable credit losses on the loan portfolio.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.1(c))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

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

- Definition

The stated interest rate on the mortgage loan receivable or the weighted average interest rate on a group of loans.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 948
-SubTopic 310
-Section S99
-Paragraph 1
-Subparagraph (SX 210.12-29)
-URI http://asc.fasb.org/extlink&oid=6589523&loc=d3e617274-123014

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-SubTopic 10
-Section S99
-Paragraph 6
-Subparagraph (SX 210.5-04.(c) Schedule IV)
-URI http://asc.fasb.org/extlink&oid=27047687&loc=d3e5864-122674

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- Definition

Total amount of new mortgage loans on real estate during the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 948
-SubTopic 310
-Section S99
-Paragraph 1
-Subparagraph (SX 210.12-29.6)
-URI http://asc.fasb.org/extlink&oid=6589523&loc=d3e617274-123014

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-SubTopic 10
-Section S99
-Paragraph 6
-Subparagraph (SX 210.5-04.(c) Schedule IV)
-URI http://asc.fasb.org/extlink&oid=27047687&loc=d3e5864-122674

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MORTGAGE LOANS - Loan Portfolio (Details) $ in Thousands	12 Months Ended
MORTGAGE LOANS - Loan Portfolio (Details) $ in Thousands	Dec. 31, 2016 USD ($) reinsurer	Dec. 31, 2015 USD ($)
Mortgage loans
Number of single tenants whose exposure represents more than 1.7% of mortgage loans \| reinsurer	0
Amount that would become due in 2017, if loans are called at their next call dates	$ 167,600
Amount that would become due in 2018 through 2022, if loans are called at their next call dates	938,300
Amount that would become due in 2023 through 2027, if loans are called at their next call dates	131,000
Amount that would become due after 2027, if loans are called at their next call dates	$ 10,200
Maximum
Mortgage loans
Single tenant's exposure as a percentage of mortgage loans	1.70%
Commercial mortgage loans \| Maximum
Mortgage loans
Period for exercise of call options or interest rate reset options	12 years
Successor
Mortgage loans
Mortgage loans on real estate	$ 6,132,125	$ 5,662,812
Percentage of mortgage loans on real estate	100.00%
Amount of new loans funded	$ 1,400,000
Average loan size of new loans funded	7,800
Average loan size of portfolio	$ 3,400
Weighted-average interest rate on mortgage loans (as a percent)	5.00%
Largest single mortgage loan	$ 48,600
Successor \| All identified states
Mortgage loans
Percentage of mortgage loans on real estate	65.70%
Successor \| Alabama
Mortgage loans
Percentage of mortgage loans on real estate	11.00%
Successor \| Texas
Mortgage loans
Percentage of mortgage loans on real estate	9.90%
Successor \| Florida
Mortgage loans
Percentage of mortgage loans on real estate	8.50%
Successor \| Georgia
Mortgage loans
Percentage of mortgage loans on real estate	7.70%
Successor \| Tennessee
Mortgage loans
Percentage of mortgage loans on real estate	6.30%
Successor \| Utah
Mortgage loans
Percentage of mortgage loans on real estate	5.10%
Successor \| North Carolina
Mortgage loans
Percentage of mortgage loans on real estate	4.80%
Successor \| Ohio
Mortgage loans
Percentage of mortgage loans on real estate	4.80%
Successor \| California
Mortgage loans
Percentage of mortgage loans on real estate	4.00%
Successor \| South Carolina
Mortgage loans
Percentage of mortgage loans on real estate	3.60%
Successor \| Retail
Mortgage loans
Percentage of mortgage loans on real estate	56.50%
Successor \| Office Buildings
Mortgage loans
Percentage of mortgage loans on real estate	12.10%
Successor \| Apartments
Mortgage loans
Percentage of mortgage loans on real estate	8.90%
Successor \| Warehouses
Mortgage loans
Percentage of mortgage loans on real estate	9.60%
Successor \| Senior housing
Mortgage loans
Percentage of mortgage loans on real estate	8.30%
Successor \| Other
Mortgage loans
Percentage of mortgage loans on real estate	4.60%