XML 48 R56.htm IDEA: XBRL DOCUMENT
v3.2.0.727

Investments (Narrative) (Details) $ in Thousands | 3 Months Ended | 6 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Jun. 30, 2015 USD ($) securities | Jun. 30, 2014 USD ($) | Jun. 30, 2015 USD ($) securities | Jun. 30, 2014 USD ($) | Mar. 31, 2015 USD ($) | Dec. 31, 2014 USD ($) securities | Mar. 31, 2014 USD ($) | Dec. 31, 2013 USD ($)
Investment Narrative [Line Items] |  |  |  |  |  |  |  |
Other than Temporary Impairment, Credit Losses Recognized in Earnings, Credit Losses on Debt Securities Held | $ 7,284 | $ 7,284 | $ 7,284 | $ 7,284 | $ 7,284 | $ 7,284 | $ 11,696 | $ 11,696
Policy Loans Percent Of Total Investments | 3.60% |  | 3.60% |  |  | 3.50% |  |
Mortgage Loan To Value Ratio on Approval |  |  | 75.00% |  |  |  |  |
Mortgage Loan Percent Of Cash And Invested Assets | 7.80% |  | 7.80% |  |  | 7.40% |  |
Proceeds From Sale Of Available For Sale Securities Sold At Loss | $ 651,300 | 222,800 | $ 850,900 | 457,900 |  |  |  |
Available-for-sale Securities, Gross Realized Losses | $ 14,475 | $ 6,877 | $ 28,071 | $ 13,460 |  |  |  |
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions | securities | 1,566 |  | 1,566 |  |  | 932 |  |
Securities As Percentage Of Consolidated Stockholder Equity | 10.00% |  | 10.00% |  |  |  |  |
Securities Borrowed Or Pledged, Minimum Fair Value Percentage |  |  | 100.00% |  |  |  |  |
Minimum Collateral Balance of Cash Received Fair Value |  |  | 105.00% |  |  |  |  |
Collateral Obtained Percent Of Fair Value Reverse Repurchase Agreements |  |  | 100.00% |  |  |  |  |
Mortgage Loans On Real Estate Commercial And Consumer Net Percentage Of Total | 100.00% |  | 100.00% |  |  | 100.00% |  |
Funds Withheld At Interest Percent Of Total Investments | 14.70% |  | 14.70% |  |  | 16.10% |  |
Funds withheld at interest | $ 5,840,076 |  | $ 5,840,076 |  |  | $ 5,922,561 |  |
Funds Held Under Reinsurance Agreements Asset Specific Client | $ 4,200,000 |  | $ 4,200,000 |  |  |  |  |
Other Invested Assets Percent Of Cash And Invested Assets | 2.80% |  | 2.80% |  |  | 3.30% |  |
Assets Sold under Agreements to Repurchase, Repurchase Liability |  |  |  |  |  | $ 101,400 |  |
Securities Sold under Agreements to Repurchase, Fair Value of Collateral | $ 0 |  | $ 0 |  |  | 107,158 |  |
Investment in mortgage loans |  |  |  |  |  |  |  |
Investment Narrative [Line Items] |  |  |  |  |  |  |  |
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due | $ 0 |  | $ 0 |  |  | $ 0 |  |
CALIFORNIA |  |  |  |  |  |  |  |
Investment Narrative [Line Items] |  |  |  |  |  |  |  |
Mortgage Loans On Real Estate Commercial And Consumer Net Percentage Of Total | 20.60% |  | 20.60% |  |  | 18.70% |  |

X
- Definition Collateral Obtained Percent Of Fair Value Reverse Repurchase Agreements + References No definition available. + Details
Name: | rga_CollateralObtainedPercentOfFairValueReverseRepurchaseAgreements
Namespace Prefix: | rga_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Funds Withheld At Interest concentrated with one client. + References No definition available. + Details
Name: | rga_FundsHeldUnderReinsuranceAgreementsAssetSpecificClient
Namespace Prefix: | rga_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Funds Withheld At Interest As A Percentage Of Total Investments + References No definition available. + Details
Name: | rga_FundsWithheldAtInterestPercentOfTotalInvestments
Namespace Prefix: | rga_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- References No definition available. + Details
Name: | rga_InvestmentNarrativeLineItems
Namespace Prefix: | rga_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The required minimum percentage fair value collateral balance that the Company must maintain of the cash received in repurchase programs in which securities are pledged to a third party. + References No definition available. + Details
Name: | rga_MinimumCollateralBalanceofCashReceivedFairValue
Namespace Prefix: | rga_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Mortgage Loans as a Percent Of total Cash And Invested Assets + References No definition available. + Details
Name: | rga_MortgageLoanPercentOfCashAndInvestedAssets
Namespace Prefix: | rga_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The maximum loan-to-value ratio at the time of mortgage loan approval. + References No definition available. + Details
Name: | rga_MortgageLoanToValueRatioOnApproval
Namespace Prefix: | rga_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount represents the total percentage of each property type in comparison to the total of mortgage loans whose 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 No definition available. + Details
Name: | rga_MortgageLoansOnRealEstateCommercialAndConsumerNetPercentageOfTotal
Namespace Prefix: | rga_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Other Invested Assets as a Percent Of total Cash And Invested Assets + References No definition available. + Details
Name: | rga_OtherInvestedAssetsPercentOfCashAndInvestedAssets
Namespace Prefix: | rga_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Policy Loans as a percentage of total investments. + References No definition available. + Details
Name: | rga_PolicyLoansPercentOfTotalInvestments
Namespace Prefix: | rga_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The cash inflow associated with the sale of debt and equity securities classified as available-for-sale securities. + References No definition available. + Details
Name: | rga_ProceedsFromSaleOfAvailableForSaleSecuritiesSoldAtLoss
Namespace Prefix: | rga_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Securities as percentage of consolidated stockholder equity. + References No definition available. + Details
Name: | rga_SecuritiesAsPercentageOfConsolidatedStockholderEquity
Namespace Prefix: | rga_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Securities Borrowed Or Pledged, Minimum Fair Value Percentage + References No definition available. + Details
Name: | rga_SecuritiesBorrowedOrPledgedMinimumFairValuePercentage
Namespace Prefix: | rga_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount to be repaid to the counterparty to the repurchase agreement when the carrying amount (or market value, if higher than the carrying amount) of securities or other assets sold under the repurchase agreement exceeds 10 percent of total assets. + 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.(m)(1)(i)(A)(ii)) -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 m -Subparagraph 1 -Article 4 + Details
Name: | us-gaap_AssetsSoldUnderAgreementsToRepurchaseRepurchaseLiability
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition This item represents the gross loss realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27357-111563 + Details
Name: | us-gaap_AvailableForSaleSecuritiesGrossRealizedLosses
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Number of investment positions in available-for-sale investments in a continuous unrealized loss position for which an other-than-temporary impairment (OTTI) has not been recognized in the income statement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (b)(3) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27290-111563 + Details
Name: | us-gaap_AvailableforsaleSecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositions1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Financing receivables that are equal to or greater than 90 days past due. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7A -URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953401-111524 + Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentEqualToGreaterThan90DaysPastDue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of the reinsurer's funds held on its behalf by the ceding insurer, including funds held in trust, under reinsurance treaties or contracts with the assuming insurer as security for the payment of the obligations thereunder. + 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 210.7-03.2,10) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 2, 10 -Article 7 + Details
Name: | us-gaap_FundsHeldUnderReinsuranceAgreementsAsset
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The cumulative amount of credit losses recognized in earnings related to debt securities held for which a portion of an other than temporary impairment (OTTI) was recognized in other comprehensive income (a component of shareholders' equity). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27340-111563 + Details
Name: | us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value of securities pledged as collateral against securities sold under agreement to repurchase. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=36459792&loc=SL20226013-175313 + Details
Name: | us-gaap_SecuritiesSoldUnderAgreementsToRepurchaseFairValueOfCollateral
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=us-gaap_MortgageReceivablesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | invest_InvestmentGeographicRegionAxis=stpr_CA
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |