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Condensed Consolidated Statements of Comprehensive Income (Loss) (Unaudited) (USD $) In Thousands, unless otherwise specified | 3 Months Ended
--- | ---
Mar. 31, 2015 | Mar. 31, 2014
Net income | $ 92,257 us-gaap_NetIncomeLoss | $ 202,759 us-gaap_NetIncomeLoss
Other comprehensive income, net of tax (see Note 11): |  |
Net foreign currency translation adjustments | (126)us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax | 0 us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
Unrealized gains on investments: |  |
Unrealized holding gains arising during the period | 6,454 us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax | 2,669 us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
Less: Reclassification adjustment for net (losses) gains included in net income | (33)us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax | 4 us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax
Net unrealized gains on investments | 6,487 rdn_OtherComprehensiveIncomeLossNetofTaxUnrealizedGainsLossesonInvestmentsContinuingOperations | 2,665 rdn_OtherComprehensiveIncomeLossNetofTaxUnrealizedGainsLossesonInvestmentsContinuingOperations
Net unrealized gains on investments recorded as assets held for sale | 1,828 rdn_OtherComprehensiveIncomeLossNetofTaxUnrealizedGainsLossesonInvestmentsRecordedasAssetsHeldforSale | 1,296 rdn_OtherComprehensiveIncomeLossNetofTaxUnrealizedGainsLossesonInvestmentsRecordedasAssetsHeldforSale
Other comprehensive income, net of tax | 8,189 us-gaap_OtherComprehensiveIncomeLossNetOfTax | 3,961 us-gaap_OtherComprehensiveIncomeLossNetOfTax
Comprehensive income | $ 100,446 us-gaap_ComprehensiveIncomeNetOfTax | $ 206,720 us-gaap_ComprehensiveIncomeNetOfTax

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- Definition Amount after tax and reclassification adjustments, of appreciation (loss) in value of unsold available-for-sale securities from continuing operations. Excludes assets held for sale and amounts related to other than temporary impairment (OTTI) loss. + References No definition available. + Details
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- Definition Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners. + References Reference 1: 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 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Comprehensive Income -URI http://asc.fasb.org/extlink&oid=35737396 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=36458714&loc=d3e557-108580 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 + Details
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- Definition Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=36458714&loc=SL7669646-108580 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 45 -Paragraph 20 -Subparagraph (b,c) -URI http://asc.fasb.org/extlink&oid=6915805&loc=d3e32211-110900 + Details
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