XML 67 R50.htm IDEA: XBRL DOCUMENT
v3.20.2

Note 5 - Investments Net Gains (Losses) on Investments (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019
Gain (Loss) on Securities [Line Items] |  |  |  |  |
Net realized gains (losses) on investments |  | $ 7,024 | $ 1,721 | $ 18,663 | $ 34
Impairment losses due to intent to sell |  | (779) | 0 | (1,401) | 0
Net decrease (increase) in expected credit losses |  | (2,782) | 0 | (2,782) | 0
Net unrealized gain (losses) on investments |  | 24,948 | 9,117 | (1,897) | 28,586
Total net gains (losses) on investments |  | 28,411 | 10,838 | 12,583 | 28,620
Fixed-maturities available for sale |  |  |  |  |
Gain (Loss) on Securities [Line Items] |  |  |  |  |
Fixed maturities available for sale, net realized gain (loss) | [1] | 6,974 | 1,303 | 18,221 | 808
Gross investment gains from sales and redemptions |  | 8,304 | 2,064 | 20,203 | 6,229
Gross investment losses from sales and redemptions |  | (1,330) | (761) | (1,982) | (5,421)
Trading Securities |  |  |  |  |
Gain (Loss) on Securities [Line Items] |  |  |  |  |
Trading securities, net realized gain (loss) |  | (45) | 274 | 4 | (410)
Equity securities |  |  |  |  |
Gain (Loss) on Securities [Line Items] |  |  |  |  |
Equity securities, net realized gain (loss) |  | 51 | 0 | 361 | (680)
Short-term investments |  |  |  |  |
Gain (Loss) on Securities [Line Items] |  |  |  |  |
Other investments, net realized gain (loss) |  | $ 44 | $ 144 | $ 77 | $ 316
[1] | Components of net realized gains (losses) on fixed-maturities available for sale include:
| Three Months Ended June 30, |  |  |  | Six Months Ended June 30, |  |
(In thousands) | 2020 |  | 2019 |  | 2020 |  | 2019
Gross investment gains from sales and redemptions | $ | 8,304 |  |  | $ | 2,064 |  |  | $ | 20,203 |  |  | $ | 6,229 |
Gross investment losses from sales and redemptions | (1,330) |  |  | (761) |  |  | (1,982) |  |  | (5,421) |

X
- Definition Other Than Temporary Impairment Losses, Investments, Due to Intent to Sell + References No definition available. + Details
Name: | rdn_OtherThanTemporaryImpairmentLossesInvestmentsDueToIntentToSell
Namespace Prefix: | rdn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Other than Temporary Impairment Losses, Investments, Expected Credit Losses + References No definition available. + Details
Name: | rdn_OtherThanTemporaryImpairmentLossesInvestmentsExpectedCreditLosses
Namespace Prefix: | rdn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition This amount represents the net realized gains (losses) on all fixed-maturities, equity, trading, short-term, and other-invested assets securities, excluding other-than-temporary impairments and net unrealized gains (losses) on investment securities. + References No definition available. + Details
Name: | rdn_RealizedGainsLossesonInvestmentsNet
Namespace Prefix: | rdn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition This item represents the gross profit realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities. + References No definition available. + Details
Name: | us-gaap_AvailableForSaleSecuritiesGrossRealizedGains
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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 No definition available. + Details
Name: | us-gaap_AvailableForSaleSecuritiesGrossRealizedLosses
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition This item represents the difference between the gross realized gains and losses realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities. + References No definition available. + Details
Name: | us-gaap_AvailableforsaleSecuritiesGrossRealizedGainLossExcludingOtherThanTemporaryImpairments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of unrealized and realized gain (loss) on investment in debt and equity securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(9)(a)) -URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(7)(c)) -URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227 + Details
Name: | us-gaap_DebtAndEquitySecuritiesGainLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of realized gain (loss) from sale of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 321 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=116654751&loc=SL75117546-209714 + Details
Name: | us-gaap_EquitySecuritiesFvNiRealizedGainLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of realized and unrealized gain (loss) on investment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=118939692&loc=d3e27405-111563 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.7(c),9(a)) -URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227 Reference 3: http://www.xbrl.org/2003/role/recommendedDisclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 + Details
Name: | us-gaap_GainLossOnInvestments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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

X
- Definition Amount of gain (loss) realized from securities classified as trading. + References No definition available. + Details
Name: | us-gaap_TradingSecuritiesRealizedGainLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of unrealized gain (loss) recognized in the income statement on unsold other securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 + Details
Name: | us-gaap_UnrealizedGainLossOnSecurities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_InvestmentTypeAxis=us-gaap_FixedMaturitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=rdn_TradingSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=us-gaap_EquitySecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=us-gaap_ShortTermInvestmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |