XML 113 R51.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Investments (Details 18) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2013 | Jun. 30, 2012 | Jun. 30, 2013 | Jun. 30, 2012 | Dec. 31, 2012
Financing Receivable Impaired [Line Items] |  |  |  |  |  |  |  |  |
Unpaid Principal Balance | $ 38,296 |  |  |  | $ 38,296 |  |  |  | $ 40,566
Recorded Investment | 37,617 |  |  |  | 37,617 |  |  |  | 39,956
Related Allowance | 4,738 |  |  |  | 4,738 |  |  |  | 6,980
Carrying Value | 32,879 |  |  |  | 32,879 |  |  |  | 32,976
Average Investment | 39,392 | [1] | 52,332 | [1] | 39,580 | [1] | 55,189 | [1] |
Interest Income | 343 |  | 438 |  | 718 |  | 915 |  |
Impaired mortgage loans with valuation allowance recorded |  |  |  |  |  |  |  |  |
Financing Receivable Impaired [Line Items] |  |  |  |  |  |  |  |  |
Unpaid Principal Balance | 21,582 |  |  |  | 21,582 |  |  |  | 27,527
Recorded Investment | 21,513 |  |  |  | 21,513 |  |  |  | 27,460
Related Allowance | 4,738 |  |  |  | 4,738 |  |  |  | 6,980
Carrying Value | 16,775 |  |  |  | 16,775 |  |  |  | 20,480
Average Investment | 24,211 | [1] | 41,747 | [1] | 25,294 | [1] | 37,634 | [1] |
Interest Income | 294 |  | 410 |  | 534 |  | 718 |  |
Impaired mortgage loans with no valuation allowance recorded |  |  |  |  |  |  |  |  |
Financing Receivable Impaired [Line Items] |  |  |  |  |  |  |  |  |
Unpaid Principal Balance | 16,714 |  |  |  | 16,714 |  |  |  | 13,039
Recorded Investment | 16,104 |  |  |  | 16,104 |  |  |  | 12,496
Related Allowance | 0 |  |  |  | 0 |  |  |  | 0
Carrying Value | 16,104 |  |  |  | 16,104 |  |  |  | 12,496
Average Investment | 15,181 | [1] | 10,585 | [1] | 14,286 | [1] | 17,555 | [1] |
Interest Income | $ 49 |  | $ 28 |  | $ 184 |  | $ 197 |  |
[1] | Average recorded investment represents the average loan balances as of the beginning of period and all subsequent quarterly end of period balances.

X
- Definition No authoritative reference available. + References No definition available. + Details
Name: | rga_ImpairedFinancingReceivableNetOfRelatedAllowance
Namespace Prefix: | rga_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_FinancingReceivableImpairedLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=28368275&loc=d3e5212-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=28368275&loc=d3e5258-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableAverageRecordedInvestment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of interest income recognized that the financing receivables (with related allowance for credit losses and without a related allowance for credit losses) were impaired. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=28368275&loc=d3e5212-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableInterestIncomeAccrualMethod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=28368275&loc=SL6953550-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableRecordedInvestment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of allowance for credit losses related to recorded investment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=28368275&loc=d3e5212-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableRelatedAllowance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of unpaid principal balance of impaired financing receivables with related allowance for credit losses and without related allowance for credit losses. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=28368275&loc=d3e5212-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant