$RDN
RADIAN GROUP INC Stock $rdn

$rdn Overview Financials Valuation SEC Filings Company Website

2021 Q4 Form 10-K Financial Statement

#000089092622000007 Filed on February 25, 2022

Income Statement

Concept	2021 Q4	2021 Q2	2021
Revenue	$338.4M	$337.0M	$1.330B
YoY Change	787.75%	-7.53%	-7.55%
Cost Of Revenue		$3.648M	$103.7M
YoY Change		-79.7%	20.51%
Gross Profit		$333.3M	$1.226B
YoY Change		-3.79%	-9.34%
Gross Profit Margin		98.92%	92.2%
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$863.0K	$4.838M	$15.90M
YoY Change	-88.33%	-19.57%	-13.11%
% of Gross Profit		1.45%	1.3%
Operating Expenses	$71.51M	$141.5M	$477.2M
YoY Change	-55.99%	-65.21%	-45.79%
Operating Profit		$191.8M	$749.0M
YoY Change		-418.71%	58.57%
Interest Expense	-$21.14M	$21.07M	$84.34M
YoY Change	-0.3%	26.15%	18.54%
% of Operating Profit		10.98%	11.26%
Other Income/Expense, Net
YoY Change
Pretax Income	$246.5M	$195.5M	$764.8M
YoY Change	37.56%	-563.0%	59.53%
Income Tax	$53.06M	$40.29M	$164.2M
% Of Pretax Income	21.53%	20.61%	21.46%
Net Earnings	$193.4M	$155.2M	$600.7M
YoY Change	30.69%	-618.2%	52.6%
Net Earnings / Revenue	57.17%	46.06%	45.17%
Basic Earnings Per Share		$0.80	$3.19
Diluted Earnings Per Share	$1.061M	$0.80	$3.16
COMMON SHARES
Basic Shares Outstanding	179.3M shares	193.4M shares	188.4M shares
Diluted Shares Outstanding		194.6M shares	190.3M shares

Balance Sheet

Concept	2021 Q4	2021 Q2	2021
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$151.1M	$134.9M
Short-Term Investments
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets	$124.0M	$153.1M	$124.0M
YoY Change	2.24%	38.33%	2.24%
LONG-TERM ASSETS
Property, Plant & Equipment	$75.09M	$74.29M	$107.0M
YoY Change	-6.68%	170.1%	80.99%
Goodwill	$9.800M
YoY Change	0.0%
Intangibles
YoY Change
Long-Term Investments	$6.618B	$6.813B	$6.618B
YoY Change	-2.52%	5.93%	-2.52%
Other Assets	$1.475M	$2.968M	$1.475M
YoY Change	-76.21%	-81.79%	-76.21%
Total Long-Term Assets	$7.715B	$7.856B	$7.715B
YoY Change	-1.43%	5.33%	-1.43%
TOTAL ASSETS
Total Short-Term Assets	$124.0M	$153.1M	$124.0M
Total Long-Term Assets	$7.715B	$7.856B	$7.715B
Total Assets	$7.839B	$8.009B	$7.839B
YoY Change	-1.37%	5.81%	-1.37%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
Accrued Expenses	$53.52M	$56.00M	$53.52M
YoY Change	0.23%	2.19%	0.23%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$53.52M	$56.00M	$53.52M
YoY Change	0.23%	2.19%	0.23%
LONG-TERM LIABILITIES
Long-Term Debt	$1.560B	$1.562B	$1.560B
YoY Change	-1.37%	-1.11%	-1.37%
Other Long-Term Liabilities	$243.1M	$247.4M	$243.1M
YoY Change	1.92%	17.77%	1.92%
Total Long-Term Liabilities	$1.804B	$1.809B	$1.804B
YoY Change	-0.94%	1.11%	-0.94%
TOTAL LIABILITIES
Total Short-Term Liabilities	$53.52M	$56.00M	$53.52M
Total Long-Term Liabilities	$1.804B	$1.809B	$1.804B
Total Liabilities	$3.580B	$3.675B	$3.580B
YoY Change	-2.27%	2.57%	-2.27%
SHAREHOLDERS EQUITY
Retained Earnings	$3.181B	$2.913B
YoY Change	18.49%	18.88%
Common Stock	$194.0K	$207.0K
YoY Change	-7.62%	-99.99%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$920.8M	$920.2M
YoY Change	1.17%	1.15%
Treasury Stock Shares	18.99M shares
Shareholders Equity	$4.259B	$4.334B	$4.259B
YoY Change
Total Liabilities & Shareholders Equity	$7.839B	$8.009B	$7.839B
YoY Change	-1.37%	5.81%	-1.37%

Cashflow Statement

Concept	2021 Q4	2021 Q2	2021
OPERATING ACTIVITIES
Net Income	$193.4M	$155.2M	$600.7M
YoY Change	30.69%	-618.2%	52.6%
Depreciation, Depletion And Amortization	$863.0K	$4.838M	$15.90M
YoY Change	-88.33%	-19.57%	-13.11%
Cash From Operating Activities	$153.8M	$122.9M	$557.1M
YoY Change	-3.63%	-17.8%	-15.39%
INVESTING ACTIVITIES
Capital Expenditures	-$3.881M	-$2.893M	-$12.60M
YoY Change	68.74%	-48.34%	-25.88%
Acquisitions
YoY Change
Other Investing Activities	$36.00M	$8.500M	-$6.126M
YoY Change	-125.12%	-101.4%	327.2%
Cash From Investing Activities	$32.12M	$5.507M	-$1.862M
YoY Change	-122.08%	-100.9%	-99.79%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net			$397.7M
YoY Change			76.96%
Debt Paid & Issued, Net			$0.00
YoY Change
Cash From Financing Activities	-189.9M	-114.2M	-$496.8M
YoY Change	2821.31%	-123.53%	-323.15%
NET CHANGE
Cash From Operating Activities	153.8M	122.9M	$557.1M
Cash From Investing Activities	32.12M	5.507M	-$1.862M
Cash From Financing Activities	-189.9M	-114.2M	-$496.8M
Net Change In Cash	-3.955M	14.16M	$58.47M
YoY Change	-152.04%	-37.62%	-2847.84%
FREE CASH FLOW
Cash From Operating Activities	$153.8M	$122.9M	$557.1M
Capital Expenditures	-$3.881M	-$2.893M	-$12.60M
Free Cash Flow	$157.7M	$125.8M	$569.7M
YoY Change	-2.6%	-18.9%	-15.65%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2021	dei	Entity Registrant Name EntityRegistrantName	RADIAN GROUP INC
CY2021	dei	Entity Central Index Key EntityCentralIndexKey	0000890926
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2021	dei	Document Type DocumentType	10-K
CY2021	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2021
CY2021	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2021	dei	Amendment Flag AmendmentFlag	false
CY2022Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	175525591	shares
CY2021Q2	dei	Entity Public Float EntityPublicFloat	4164813673	USD
CY2020Q4	us-gaap	Operating Lease Right Of Use Asset Statement Of Financial Position Extensible List OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2021-01-31#OtherAssets
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset Statement Of Financial Position Extensible List OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2021-01-31#OtherAssets
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset Statement Of Financial Position Extensible List OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2021-01-31#OtherAssets
CY2021Q4	us-gaap	Operating Lease Liability Statement Of Financial Position Extensible List OperatingLeaseLiabilityStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2021-01-31#OtherLiabilities
CY2021Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.001
CY2021Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	485000000	shares
CY2020Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	485000000	shares
CY2021Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	194408000	shares
CY2021	dei	Local Phone Number LocalPhoneNumber	231-1000
CY2020Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	210130000	shares
CY2021Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	175421000	shares
CY2020Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	191606000	shares
CY2021Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	18987000	shares
CY2020Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	18524000	shares
CY2021	dei	Document Type DocumentType	10-K
CY2021	dei	Document Annual Report DocumentAnnualReport	true
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-31
CY2021	dei	Document Transition Report DocumentTransitionReport	false
CY2021	dei	Entity File Number EntityFileNumber	1-11356
CY2021	dei	Entity Registrant Name EntityRegistrantName	RADIAN GROUP INC
CY2021	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2021	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	23-2691170
CY2021	dei	Entity Address Address Line1 EntityAddressAddressLine1	550 East Swedesford Road
CY2021	dei	Entity Address Address Line2 EntityAddressAddressLine2	Suite 350
CY2021	dei	Entity Address City Or Town EntityAddressCityOrTown	Wayne
CY2021	dei	Entity Address State Or Province EntityAddressStateOrProvince	PA
CY2021	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	19087
CY2021	dei	City Area Code CityAreaCode	215
CY2021	dei	Security12b Title Security12bTitle	Common Stock, $.001 par value per share
CY2021	dei	Trading Symbol TradingSymbol	RDN
CY2021	dei	Security Exchange Name SecurityExchangeName	NYSE
CY2021	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2021	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2021	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2021	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2021	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2021	dei	Entity Small Business EntitySmallBusiness	false
CY2021	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2021	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	true
CY2021	dei	Entity Shell Company EntityShellCompany	false
CY2021Q2	dei	Entity Public Float EntityPublicFloat	4164813673	USD
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CY2021	dei	Auditor Firm AuditorFirmId	238
CY2021	dei	Auditor Name AuditorName	PricewaterhouseCoopers LLP
CY2021	dei	Auditor Location AuditorLocation	Philadelphia, Pennsylvania
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CY2019	rdn	Increase Decreasein Goodwilland Intangible Assets IncreaseDecreaseinGoodwillandIntangibleAssets	22288000	USD
CY2021	us-gaap	Costs And Expenses CostsAndExpenses	565100000	USD
CY2020	us-gaap	Costs And Expenses CostsAndExpenses	959176000	USD
CY2019	us-gaap	Costs And Expenses CostsAndExpenses	677962000	USD
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	764832000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	479441000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	848993000	USD
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	164161000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	85815000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	176684000	USD
CY2021	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	600671000	USD
CY2020	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	393626000	USD
CY2019	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	672309000	USD
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.19
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.01
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.22
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.16
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.00
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.20
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	188370000	shares
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	195443000	shares
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	208773000	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	190263000	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	196642000	shares
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	210340000	shares
CY2021	us-gaap	Net Income Loss NetIncomeLoss	600671000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	393626000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	672309000	USD
CY2021	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-138435000	USD
CY2020	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	178761000	USD
CY2019	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	180441000	USD
CY2021	rdn	Other Comprehensive Income Loss Reclassification Adjustment For Non Credit Related Impairments Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentForNonCreditRelatedImpairmentsNetOfTax	4472000	USD
CY2020	rdn	Other Comprehensive Income Loss Reclassification Adjustment For Non Credit Related Impairments Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentForNonCreditRelatedImpairmentsNetOfTax	26440000	USD
CY2019	rdn	Other Comprehensive Income Loss Reclassification Adjustment For Non Credit Related Impairments Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentForNonCreditRelatedImpairmentsNetOfTax	8897000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	725000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	-991000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	0	USD
CY2021	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-143632000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	153312000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	171544000	USD
CY2021	rdn	Other Adjustments To Other Comprehensive Income Net Of Tax OtherAdjustmentsToOtherComprehensiveIncomeNetOfTax	0	USD
CY2020	rdn	Other Adjustments To Other Comprehensive Income Net Of Tax OtherAdjustmentsToOtherComprehensiveIncomeNetOfTax	-75000	USD
CY2019	rdn	Other Adjustments To Other Comprehensive Income Net Of Tax OtherAdjustmentsToOtherComprehensiveIncomeNetOfTax	-136000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-143632000	USD
CY2021	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	2	segment
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	153237000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	171408000	USD
CY2021	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	457039000	USD
CY2020	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	546863000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	843717000	USD
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	4258796000	USD
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	4284353000	USD
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	4048723000	USD
CY2021	us-gaap	Net Income Loss NetIncomeLoss	600671000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	393626000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	672309000	USD
CY2021	rdn	Net Gains Losses On Investments And Other Financial Instruments NetGainsLossesOnInvestmentsAndOtherFinancialInstruments	15603000	USD
CY2020	rdn	Net Gains Losses On Investments And Other Financial Instruments NetGainsLossesOnInvestmentsAndOtherFinancialInstruments	60277000	USD
CY2019	rdn	Net Gains Losses On Investments And Other Financial Instruments NetGainsLossesOnInvestmentsAndOtherFinancialInstruments	51719000	USD
CY2021	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	USD
CY2020	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	USD
CY2019	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-22738000	USD
CY2021	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2020	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2019	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	4828000	USD
CY2021	rdn	Increase Decreasein Goodwilland Intangible Assetsincluding Restructuring IncreaseDecreaseinGoodwillandIntangibleAssetsincludingRestructuring	3450000	USD
CY2020	rdn	Increase Decreasein Goodwilland Intangible Assetsincluding Restructuring IncreaseDecreaseinGoodwillandIntangibleAssetsincludingRestructuring	5144000	USD
CY2019	rdn	Increase Decreasein Goodwilland Intangible Assetsincluding Restructuring IncreaseDecreaseinGoodwillandIntangibleAssetsincludingRestructuring	22288000	USD
CY2021	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	72020000	USD
CY2020	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	66585000	USD
CY2019	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	50439000	USD
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	161793000	USD
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	102079000	USD
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	157162000	USD
CY2021	us-gaap	Increase Decrease In Accrued Investment Income Receivable IncreaseDecreaseInAccruedInvestmentIncomeReceivable	-1235000	USD
CY2020	us-gaap	Increase Decrease In Accrued Investment Income Receivable IncreaseDecreaseInAccruedInvestmentIncomeReceivable	1714000	USD
CY2019	us-gaap	Increase Decrease In Accrued Investment Income Receivable IncreaseDecreaseInAccruedInvestmentIncomeReceivable	-2545000	USD
CY2021	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	2722000	USD
CY2020	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	29280000	USD
CY2019	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	25504000	USD
CY2021	us-gaap	Increase Decrease In Reinsurance Recoverable IncreaseDecreaseInReinsuranceRecoverable	-5306000	USD
CY2020	us-gaap	Increase Decrease In Reinsurance Recoverable IncreaseDecreaseInReinsuranceRecoverable	56226000	USD
CY2019	us-gaap	Increase Decrease In Reinsurance Recoverable IncreaseDecreaseInReinsuranceRecoverable	2574000	USD
CY2021	us-gaap	Increase Decrease In Deferred Policy Acquisition Costs IncreaseDecreaseInDeferredPolicyAcquisitionCosts	-1988000	USD
CY2020	us-gaap	Increase Decrease In Deferred Policy Acquisition Costs IncreaseDecreaseInDeferredPolicyAcquisitionCosts	-2454000	USD
CY2019	us-gaap	Increase Decrease In Deferred Policy Acquisition Costs IncreaseDecreaseInDeferredPolicyAcquisitionCosts	3448000	USD
CY2021	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	78163000	USD
CY2020	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-38680000	USD
CY2019	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	77181000	USD
CY2021	us-gaap	Increase Decrease In Unearned Premiums IncreaseDecreaseInUnearnedPremiums	-119701000	USD
CY2020	us-gaap	Increase Decrease In Unearned Premiums IncreaseDecreaseInUnearnedPremiums	-178031000	USD
CY2019	us-gaap	Increase Decrease In Unearned Premiums IncreaseDecreaseInUnearnedPremiums	-112535000	USD
CY2021	us-gaap	Increase Decrease In Liability For Claims And Claims Adjustment Expense Reserve IncreaseDecreaseInLiabilityForClaimsAndClaimsAdjustmentExpenseReserve	-19771000	USD
CY2020	us-gaap	Increase Decrease In Liability For Claims And Claims Adjustment Expense Reserve IncreaseDecreaseInLiabilityForClaimsAndClaimsAdjustmentExpenseReserve	443648000	USD
CY2019	us-gaap	Increase Decrease In Liability For Claims And Claims Adjustment Expense Reserve IncreaseDecreaseInLiabilityForClaimsAndClaimsAdjustmentExpenseReserve	3404000	USD
CY2021	us-gaap	Increase Decrease In Funds Held Under Reinsurance Agreements IncreaseDecreaseInFundsHeldUnderReinsuranceAgreements	50477000	USD
CY2020	us-gaap	Increase Decrease In Funds Held Under Reinsurance Agreements IncreaseDecreaseInFundsHeldUnderReinsuranceAgreements	13274000	USD
CY2019	us-gaap	Increase Decrease In Funds Held Under Reinsurance Agreements IncreaseDecreaseInFundsHeldUnderReinsuranceAgreements	29383000	USD
CY2021	us-gaap	Increase Decrease In Accrued Liabilities And Other Operating Liabilities IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities	-2914000	USD
CY2020	us-gaap	Increase Decrease In Accrued Liabilities And Other Operating Liabilities IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities	-54980000	USD
CY2019	us-gaap	Increase Decrease In Accrued Liabilities And Other Operating Liabilities IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities	61062000	USD
CY2021	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	557112000	USD
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	658434000	USD
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	694431000	USD
CY2021	us-gaap	Proceeds From Sale And Maturity Of Available For Sale Securities ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities	735340000	USD
CY2020	us-gaap	Proceeds From Sale And Maturity Of Available For Sale Securities ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities	963589000	USD
CY2019	us-gaap	Proceeds From Sale And Maturity Of Available For Sale Securities ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities	986647000	USD
CY2021	us-gaap	Proceeds From Sale Of Trading Securities Heldforinvestment ProceedsFromSaleOfTradingSecuritiesHeldforinvestment	7952000	USD
CY2020	us-gaap	Proceeds From Sale Of Trading Securities Heldforinvestment ProceedsFromSaleOfTradingSecuritiesHeldforinvestment	11602000	USD
CY2019	us-gaap	Proceeds From Sale Of Trading Securities Heldforinvestment ProceedsFromSaleOfTradingSecuritiesHeldforinvestment	130537000	USD
CY2021	us-gaap	Proceeds From Sale Of Equity Securities Fv Ni ProceedsFromSaleOfEquitySecuritiesFvNi	36748000	USD
CY2020	us-gaap	Proceeds From Sale Of Equity Securities Fv Ni ProceedsFromSaleOfEquitySecuritiesFvNi	90450000	USD
CY2019	us-gaap	Proceeds From Sale Of Equity Securities Fv Ni ProceedsFromSaleOfEquitySecuritiesFvNi	69779000	USD
CY2021	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	1225626000	USD
CY2020	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	645068000	USD
CY2019	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	464777000	USD
CY2021	us-gaap	Proceeds From Maturities Repayments And Calls Of Trading Securities Heldforinvestment ProceedsFromMaturitiesRepaymentsAndCallsOfTradingSecuritiesHeldforinvestment	16668000	USD
CY2020	us-gaap	Proceeds From Maturities Repayments And Calls Of Trading Securities Heldforinvestment ProceedsFromMaturitiesRepaymentsAndCallsOfTradingSecuritiesHeldforinvestment	22913000	USD
CY2019	us-gaap	Proceeds From Maturities Repayments And Calls Of Trading Securities Heldforinvestment ProceedsFromMaturitiesRepaymentsAndCallsOfTradingSecuritiesHeldforinvestment	37684000	USD
CY2021	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	1980155000	USD
CY2020	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	2449762000	USD
CY2019	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	1913703000	USD
CY2021	us-gaap	Payments To Acquire Equity Securities Fv Ni PaymentsToAcquireEquitySecuritiesFvNi	105649000	USD
CY2020	us-gaap	Payments To Acquire Equity Securities Fv Ni PaymentsToAcquireEquitySecuritiesFvNi	85014000	USD
CY2019	us-gaap	Payments To Acquire Equity Securities Fv Ni PaymentsToAcquireEquitySecuritiesFvNi	57422000	USD
CY2021	us-gaap	Payments For Proceeds From Short Term Investments PaymentsForProceedsFromShortTermInvestments	-68083000	USD
CY2020	us-gaap	Payments For Proceeds From Short Term Investments PaymentsForProceedsFromShortTermInvestments	82925000	USD
CY2019	us-gaap	Payments For Proceeds From Short Term Investments PaymentsForProceedsFromShortTermInvestments	-8017000	USD
CY2021	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-6126000	USD
CY2020	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-1434000	USD
CY2019	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	739000	USD
CY2021	us-gaap	Proceeds From Divestiture Of Businesses And Interests In Affiliates ProceedsFromDivestitureOfBusinessesAndInterestsInAffiliates	0	USD
CY2020	us-gaap	Proceeds From Divestiture Of Businesses And Interests In Affiliates ProceedsFromDivestitureOfBusinessesAndInterestsInAffiliates	16481000	USD
CY2019	us-gaap	Proceeds From Divestiture Of Businesses And Interests In Affiliates ProceedsFromDivestitureOfBusinessesAndInterestsInAffiliates	0	USD
CY2021	us-gaap	Payments For Proceeds From Productive Assets PaymentsForProceedsFromProductiveAssets	12601000	USD
CY2020	us-gaap	Payments For Proceeds From Productive Assets PaymentsForProceedsFromProductiveAssets	17016000	USD
CY2019	us-gaap	Payments For Proceeds From Productive Assets PaymentsForProceedsFromProductiveAssets	27626000	USD
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1862000	USD
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-883180000	USD
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-302049000	USD
CY2021	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	103298000	USD
CY2020	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	97458000	USD
CY2019	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	2061000	USD
CY2021	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	1382000	USD
CY2020	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	1553000	USD
CY2019	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	2416000	USD
CY2021	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	399100000	USD
CY2020	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	226305000	USD
CY2019	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	300201000	USD
CY2021	us-gaap	Proceeds From Debt Net Of Issuance Costs ProceedsFromDebtNetOfIssuanceCosts	0	USD
CY2020	us-gaap	Proceeds From Debt Net Of Issuance Costs ProceedsFromDebtNetOfIssuanceCosts	515567000	USD
CY2019	us-gaap	Proceeds From Debt Net Of Issuance Costs ProceedsFromDebtNetOfIssuanceCosts	442439000	USD
CY2021	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	0	USD
CY2020	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	0	USD
CY2019	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	610763000	USD
CY2021	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-3325000	USD
CY2020	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-2292000	USD
CY2019	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-989000	USD
CY2021	us-gaap	Increase Decrease In Securities Lending Payable IncreaseDecreaseInSecuritiesLendingPayable	13565000	USD
CY2020	us-gaap	Increase Decrease In Securities Lending Payable IncreaseDecreaseInSecuritiesLendingPayable	-37475000	USD
CY2019	us-gaap	Increase Decrease In Securities Lending Payable IncreaseDecreaseInSecuritiesLendingPayable	13862000	USD
CY2021	us-gaap	Proceeds From Short Term Debt Maturing In More Than Three Months ProceedsFromShortTermDebtMaturingInMoreThanThreeMonths	42000000	USD
CY2020	us-gaap	Proceeds From Short Term Debt Maturing In More Than Three Months ProceedsFromShortTermDebtMaturingInMoreThanThreeMonths	207034000	USD
CY2019	us-gaap	Proceeds From Short Term Debt Maturing In More Than Three Months ProceedsFromShortTermDebtMaturingInMoreThanThreeMonths	115275000	USD
CY2021	us-gaap	Repayments Of Short Term Debt Maturing In More Than Three Months RepaymentsOfShortTermDebtMaturingInMoreThanThreeMonths	48000000	USD
CY2020	us-gaap	Repayments Of Short Term Debt Maturing In More Than Three Months RepaymentsOfShortTermDebtMaturingInMoreThanThreeMonths	137927000	USD
CY2019	us-gaap	Repayments Of Short Term Debt Maturing In More Than Three Months RepaymentsOfShortTermDebtMaturingInMoreThanThreeMonths	62932000	USD
CY2021	us-gaap	Repayments Of Other Debt RepaymentsOfOtherDebt	0	USD
CY2020	us-gaap	Repayments Of Other Debt RepaymentsOfOtherDebt	79000	USD
CY2019	us-gaap	Repayments Of Other Debt RepaymentsOfOtherDebt	152000	USD
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-496776000	USD
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	222618000	USD
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-403106000	USD
CY2021	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	0	USD
CY2020	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	0	USD
CY2019	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	-4000	USD
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	58474000	USD
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-2128000	USD
CY2019	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-10728000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	94146000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	96274000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	107002000	USD
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	152620000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	94146000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	96274000	USD
CY2021	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	143973000	USD
CY2020	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	81404000	USD
CY2019	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	71469000	USD
CY2021	us-gaap	Interest Paid Net InterestPaidNet	78704000	USD
CY2020	us-gaap	Interest Paid Net InterestPaidNet	60564000	USD
CY2019	us-gaap	Interest Paid Net InterestPaidNet	45762000	USD
CY2021	us-gaap	Use Of Estimates UseOfEstimates	<div style="margin-bottom:7pt;margin-top:9pt"><span style="color:#002b49;font-family:'Arial',sans-serif;font-size:13pt;font-weight:700;line-height:120%">Use of Estimates</span></div><div style="margin-bottom:5pt;margin-top:5pt;text-indent:22.5pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The preparation of financial statements in conformity with GAAP requires us to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of our contingent assets and liabilities at the dates of the financial statements, as well as the reported amounts of revenues and expenses during the reporting periods. While the amounts included in our consolidated financial statements include our best estimates and assumptions, actual results may vary materially.</span></div>
CY2021	rdn	Maximum Maturity Duration For Short Term Investment Grouping MaximumMaturityDurationForShortTermInvestmentGrouping	P12M
CY2020Q4	rdn	Second Lien Reservefor Premium Deficiency SecondLienReserveforPremiumDeficiency	100000	USD
CY2021Q4	rdn	Percentof Lt Vatwhich Hpa Must Be Canceled Automatically PercentofLTVatwhichHPAMustBeCanceledAutomatically	0.78
CY2021	us-gaap	Revenue Recognition Sales Of Services RevenueRecognitionSalesOfServices	<div style="margin-bottom:6pt;margin-top:8pt"><span style="color:#4d6b80;font-family:'Arial',sans-serif;font-size:11pt;font-weight:700;line-height:120%">Title Insurance and Related Services </span></div><div style="margin-bottom:5pt;margin-top:5pt;text-indent:22.5pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Title insurance premiums are recognized as revenue upon closing and completion of the real estate transaction. Premiums generally are calculated with reference to the policy amount. Premiums are charged to customers based on rates predetermined in coordination with each state’s respective Department of Insurance. Such regulations vary from state to state. Premium revenues from agency title operations are primarily comprised of premiums recognized upon title order and completion of real estate transaction closing.</span></div><div style="margin-bottom:5pt;margin-top:5pt;text-indent:22.5pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Other title-related fees and income are closely related to title insurance premiums and are primarily associated with managing the closing of real estate transactions. As such, revenue is primarily recognized upon closing of the real estate transaction or completion and billing of services. We offer title services that include tax and title data services; centralized recording services; document retrieval; default curative title services; deed reports; property reports and other real estate or title-related activities. Expenses typically associated with premiums include third-party agent commissions and premium taxes.</span></div><div style="margin-bottom:6pt;margin-top:8pt"><span style="color:#4d6b80;font-family:'Arial',sans-serif;font-size:11pt;font-weight:700;line-height:120%">Other Services</span></div><div style="margin-bottom:5pt;margin-top:5pt;text-indent:22.5pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We recognize revenue representing the transfer of services to customers in an amount that reflects the consideration that we expect to be entitled to receive in exchange for those services, which are recognized as the performance obligations are satisfied. Due to the transactional nature of our business, our services revenue may fluctuate from period to period as transactions are commenced or completed.</span></div><div style="margin-bottom:5pt;margin-top:5pt;text-indent:22.5pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Prior to our January 2020 sale of Clayton, our services included transaction management services related to loan acquisition, RMBS securitization and distressed asset reviews and servicer and loan surveillance services. Also, through December 2020, we offered residential real estate appraisal services through a panel of independent contractor appraisers; however, consistent with increased market demand for technology-driven solutions, in October 2020 we announced the wind down of this traditional appraisal business, in order to focus on our digital valuation services that are expected to produce higher growth. Our remaining services and related revenue recognition considerations are as follows:</span></div><div style="margin-bottom:5pt;margin-top:5pt;text-indent:22.5pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:700;line-height:120%">Real Estate Services.</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> We provide real estate services, including asset management and valuation services. Asset management services include management of the entire REO disposition process, services such as diligence and underwriting that serve the single family rental asset class, and a web-based asset management workflow solution for task driven asset management, including the management of REO assets, rental properties, due diligence for bulk acquisitions, loss mitigation efforts and short sales. Revenue attributable to REO services provided is based on a percentage of the sale and recognized over time, measured based on the progress to date and typically coincides with the client’s successful closing on the property. In certain instances, fees are received at the time that an asset is assigned to Radian for management. These fees are recorded as deferred revenue and are recognized over time based on progress to date and the availability to customers. </span></div><div style="margin-bottom:5pt;margin-top:5pt;text-indent:22.5pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">For valuation services, we leverage technology and a quality control process to deliver real estate valuation products and services to our customers, which include: appraisal review products; hybrid/ancillary appraisal products; automated valuation products; interactive valuation products; and broker price opinions. Each service qualifies as a separate performance obligation for which revenue is recognized as the service is performed and made available to the client.</span></div>Mortgage Services. We provide third-party contract underwriting and fulfillment solutions to our mortgage customers. Generally, revenue is recognized when contract underwriting results are made available to the customer or fulfillment services are completed.
CY2021	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	15900000	USD
CY2020	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	18300000	USD
CY2019	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	20800000	USD
CY2021Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	247375000	USD
CY2021Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	172289000	USD
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	75086000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	234486000	USD
CY2020Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	154029000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	80457000	USD
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	600671000	USD
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	600671000	USD
CY2020	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	393626000	USD
CY2020	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	393626000	USD
CY2019	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	672309000	USD
CY2019	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	672309000	USD
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	188370000	shares
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	195443000	shares
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	208773000	shares
CY2021	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1893000	shares
CY2020	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1199000	shares
CY2019	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1567000	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	190263000	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	196642000	shares
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	210340000	shares
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.19
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.01
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.22
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.16
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.00
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.20
CY2021	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	2	segment
CY2021	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	USD
CY2020	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	USD
CY2019	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-22738000	USD
CY2021	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2020	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2019	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	4828000	USD
CY2021	rdn	Increase Decreasein Goodwilland Intangible Assets IncreaseDecreaseinGoodwillandIntangibleAssets	3450000	USD
CY2020	rdn	Increase Decreasein Goodwilland Intangible Assets IncreaseDecreaseinGoodwillandIntangibleAssets	5144000	USD
CY2019	rdn	Increase Decreasein Goodwilland Intangible Assets IncreaseDecreaseinGoodwillandIntangibleAssets	22288000	USD
CY2021	us-gaap	Impairment Of Long Lived Assets Held For Use ImpairmentOfLongLivedAssetsHeldForUse	3561000	USD
CY2020	us-gaap	Impairment Of Long Lived Assets Held For Use ImpairmentOfLongLivedAssetsHeldForUse	7759000	USD
CY2019	us-gaap	Impairment Of Long Lived Assets Held For Use ImpairmentOfLongLivedAssetsHeldForUse	7507000	USD
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	764832000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	479441000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	848993000	USD
CY2021	us-gaap	Premiums Earned Net PremiumsEarnedNet	1037183000	USD
CY2021	rdn	Services Revenue Net ServicesRevenueNet	125825000	USD
CY2021	us-gaap	Net Investment Income NetInvestmentIncome	147909000	USD
CY2021	rdn	Net Gains Losses On Investments And Other Financial Instruments NetGainsLossesOnInvestmentsAndOtherFinancialInstruments	15603000	USD
CY2021	us-gaap	Other Income OtherIncome	3412000	USD
CY2021	us-gaap	Revenues Revenues	1329932000	USD
CY2020	us-gaap	Premiums Earned Net PremiumsEarnedNet	1115321000	USD
CY2020	rdn	Services Revenue Net ServicesRevenueNet	105385000	USD
CY2020	us-gaap	Net Investment Income NetInvestmentIncome	154037000	USD
CY2020	rdn	Net Gains Losses On Investments And Other Financial Instruments NetGainsLossesOnInvestmentsAndOtherFinancialInstruments	60277000	USD
CY2020	us-gaap	Other Income OtherIncome	3597000	USD
CY2020	us-gaap	Revenues Revenues	1438617000	USD
CY2019	us-gaap	Premiums Earned Net PremiumsEarnedNet	1145349000	USD
CY2019	rdn	Services Revenue Net ServicesRevenueNet	154596000	USD
CY2019	us-gaap	Net Investment Income NetInvestmentIncome	171796000	USD
CY2019	rdn	Net Gains Losses On Investments And Other Financial Instruments NetGainsLossesOnInvestmentsAndOtherFinancialInstruments	51719000	USD
CY2019	us-gaap	Other Income OtherIncome	3495000	USD
CY2019	us-gaap	Revenues Revenues	1526955000	USD
CY2021	rdn	Services Revenue Net ServicesRevenueNet	125825000	USD
CY2020	rdn	Services Revenue Net ServicesRevenueNet	105385000	USD
CY2019	rdn	Services Revenue Net ServicesRevenueNet	154596000	USD
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Number Of Positions DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsNumberOfPositions	519	security
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	2004842000	USD
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	28445000	USD
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Number Of Positions DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerNumberOfPositions	60	security
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	166248000	USD
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	9593000	USD
CY2021Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Number Of Positions DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions	579	security
CY2021Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	2171090000	USD
CY2021Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	38038000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Number Of Positions DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsNumberOfPositions	194	security
CY2020	us-gaap	Investment Income Investment Expense InvestmentIncomeInvestmentExpense	6596000	USD
CY2019	us-gaap	Investment Income Investment Expense InvestmentIncomeInvestmentExpense	8136000	USD
CY2021	us-gaap	Investment Income Net InvestmentIncomeNet	147909000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	679631000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	12101000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Number Of Positions DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerNumberOfPositions	36	security
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	158852000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	2056000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Number Of Positions DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions	230	security
CY2020Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	838483000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	14157000	USD
CY2021	rdn	Securities Lending Rateof Collateral Required SecuritiesLendingRateofCollateralRequired	1.02
CY2021	us-gaap	Gross Investment Income Operating GrossInvestmentIncomeOperating	154956000	USD
CY2020	us-gaap	Gross Investment Income Operating GrossInvestmentIncomeOperating	160633000	USD
CY2019	us-gaap	Gross Investment Income Operating GrossInvestmentIncomeOperating	179932000	USD
CY2021	us-gaap	Investment Income Investment Expense InvestmentIncomeInvestmentExpense	7047000	USD
CY2020	us-gaap	Investment Income Net InvestmentIncomeNet	154037000	USD
CY2019	us-gaap	Investment Income Net InvestmentIncomeNet	171796000	USD
CY2021	rdn	Realized Gains Losseson Investments Net RealizedGainsLossesonInvestmentsNet	20842000	USD
CY2020	rdn	Realized Gains Losseson Investments Net RealizedGainsLossesonInvestmentsNet	35826000	USD
CY2019	rdn	Realized Gains Losseson Investments Net RealizedGainsLossesonInvestmentsNet	10843000	USD
CY2021	us-gaap	Impairment Of Investments ImpairmentOfInvestments	0	USD
CY2020	us-gaap	Impairment Of Investments ImpairmentOfInvestments	1401000	USD
CY2019	us-gaap	Impairment Of Investments ImpairmentOfInvestments	0	USD
CY2021	rdn	Other Than Temporary Impairment Losses Investments Expected Credit Losses OtherThanTemporaryImpairmentLossesInvestmentsExpectedCreditLosses	-918000	USD
CY2020	rdn	Other Than Temporary Impairment Losses Investments Expected Credit Losses OtherThanTemporaryImpairmentLossesInvestmentsExpectedCreditLosses	1254000	USD
CY2019	rdn	Other Than Temporary Impairment Losses Investments Expected Credit Losses OtherThanTemporaryImpairmentLossesInvestmentsExpectedCreditLosses	0	USD
CY2021	rdn	Net Unrealized Gains Losses On Investments NetUnrealizedGainsLossesOnInvestments	-4661000	USD
CY2020	rdn	Net Unrealized Gains Losses On Investments NetUnrealizedGainsLossesOnInvestments	10960000	USD
CY2019	rdn	Net Unrealized Gains Losses On Investments NetUnrealizedGainsLossesOnInvestments	33220000	USD
CY2021	us-gaap	Gain Loss On Investments GainLossOnInvestments	17099000	USD
CY2020	us-gaap	Gain Loss On Investments GainLossOnInvestments	44131000	USD
CY2019	us-gaap	Gain Loss On Investments GainLossOnInvestments	44063000	USD
CY2021	rdn	Changein Unrealized Holding Gain Loss ChangeinUnrealizedHoldingGainLoss	4053000	USD
CY2020	rdn	Changein Unrealized Holding Gain Loss ChangeinUnrealizedHoldingGainLoss	12590000	USD
CY2019	rdn	Changein Unrealized Holding Gain Loss ChangeinUnrealizedHoldingGainLoss	28078000	USD
CY2020Q4	us-gaap	Goodwill Goodwill	9800000	USD
CY2021Q4	us-gaap	Goodwill Goodwill	9800000	USD
CY2021	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	3400000	USD
CY2020	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	5100000	USD
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	8600000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	3397000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	3361000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	3033000	USD
CY2021Q4	rdn	Finite Lived Intangible Asset Expected Amortization After Year Four FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFour	0	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	9791000	USD
CY2021	us-gaap	Direct Premiums Written DirectPremiumsWritten	1024660000	USD
CY2020	us-gaap	Direct Premiums Written DirectPremiumsWritten	1108513000	USD
CY2019	us-gaap	Direct Premiums Written DirectPremiumsWritten	1132338000	USD
CY2021	us-gaap	Direct Premiums Earned DirectPremiumsEarned	1144361000	USD
CY2020	us-gaap	Direct Premiums Earned DirectPremiumsEarned	1286527000	USD
CY2019	us-gaap	Direct Premiums Earned DirectPremiumsEarned	1244870000	USD
CY2021	us-gaap	Ceded Premiums Written CededPremiumsWritten	48279000	USD
CY2020	us-gaap	Ceded Premiums Written CededPremiumsWritten	87201000	USD
CY2019	us-gaap	Ceded Premiums Written CededPremiumsWritten	56132000	USD
CY2021	us-gaap	Ceded Premiums Earned CededPremiumsEarned	114244000	USD
CY2020	us-gaap	Ceded Premiums Earned CededPremiumsEarned	183420000	USD
CY2019	us-gaap	Ceded Premiums Earned CededPremiumsEarned	109903000	USD
CY2021	us-gaap	Premiums Written Net PremiumsWrittenNet	983447000	USD
CY2020	us-gaap	Premiums Written Net PremiumsWrittenNet	1033509000	USD
CY2019	us-gaap	Premiums Written Net PremiumsWrittenNet	1086585000	USD
CY2021	us-gaap	Premiums Earned Net PremiumsEarnedNet	1037183000	USD
CY2020	us-gaap	Premiums Earned Net PremiumsEarnedNet	1115321000	USD
CY2019	us-gaap	Premiums Earned Net PremiumsEarnedNet	1145349000	USD
CY2021	rdn	Ceding Commissions Earned CedingCommissionsEarned	31745000	USD
CY2020	rdn	Ceding Commissions Earned CedingCommissionsEarned	53654000	USD
CY2019	rdn	Ceding Commissions Earned CedingCommissionsEarned	48659000	USD
CY2021	us-gaap	Reinsurance Effect On Claims And Benefits Incurred Amount Ceded ReinsuranceEffectOnClaimsAndBenefitsIncurredAmountCeded	-4570000	USD
CY2020	us-gaap	Reinsurance Effect On Claims And Benefits Incurred Amount Ceded ReinsuranceEffectOnClaimsAndBenefitsIncurredAmountCeded	58266000	USD
CY2019	us-gaap	Reinsurance Effect On Claims And Benefits Incurred Amount Ceded ReinsuranceEffectOnClaimsAndBenefitsIncurredAmountCeded	5859000	USD
CY2021Q4	rdn	Unearned Ceding Commissions UnearnedCedingCommissions	38600000	USD
CY2020Q4	rdn	Unearned Ceding Commissions UnearnedCedingCommissions	52500000	USD
CY2021Q4	rdn	Funds Held Under Reinsurance Agreements Off Balance Sheet Asset FundsHeldUnderReinsuranceAgreementsOffBalanceSheetAsset	167900000	USD
CY2020Q4	rdn	Funds Held Under Reinsurance Agreements Off Balance Sheet Asset FundsHeldUnderReinsuranceAgreementsOffBalanceSheetAsset	228600000	USD
CY2021Q4	us-gaap	Prepaid Taxes PrepaidTaxes	354123000	USD
CY2020Q4	us-gaap	Prepaid Taxes PrepaidTaxes	210889000	USD
CY2021Q4	us-gaap	Prepaid Reinsurance Premiums PrepaidReinsurancePremiums	201674000	USD
CY2020Q4	us-gaap	Prepaid Reinsurance Premiums PrepaidReinsurancePremiums	267638000	USD
CY2021Q4	us-gaap	Life Insurance Corporate Or Bank Owned Amount LifeInsuranceCorporateOrBankOwnedAmount	113386000	USD
CY2020Q4	us-gaap	Life Insurance Corporate Or Bank Owned Amount LifeInsuranceCorporateOrBankOwnedAmount	115586000	USD
CY2021Q4	us-gaap	Securities Loaned Asset SecuritiesLoanedAsset	103996000	USD
CY2020Q4	us-gaap	Securities Loaned Asset SecuritiesLoanedAsset	57499000	USD
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	31878000	USD
CY2020Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	32985000	USD
CY2021Q4	us-gaap	Other Assets Miscellaneous OtherAssetsMiscellaneous	32246000	USD
CY2020Q4	us-gaap	Other Assets Miscellaneous OtherAssetsMiscellaneous	30488000	USD
CY2021Q4	us-gaap	Other Assets OtherAssets	837303000	USD
CY2020Q4	us-gaap	Other Assets OtherAssets	715085000	USD
CY2021Q2	rdn	Lessee Operating Lease Number Of Contracts LesseeOperatingLeaseNumberOfContracts	2	default
CY2021Q2	us-gaap	Impairment Of Leasehold ImpairmentOfLeasehold	3500000	USD
CY2021	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	2368000	USD
CY2020	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	-16264000	USD
CY2019	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	19522000	USD
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	161793000	USD
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	102079000	USD
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	157162000	USD
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	164161000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	85815000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	176684000	USD
CY2019	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2020	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2021	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2021	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	160615000	USD
CY2020	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	100683000	USD
CY2019	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	178289000	USD
CY2021	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	5700000	USD
CY2020	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	11290000	USD
CY2019	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	1941000	USD
CY2021	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	853000	USD
CY2020	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-14784000	USD
CY2019	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	1202000	USD
CY2021	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	-1714000	USD
CY2020	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	-9062000	USD
CY2019	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	-293000	USD
CY2021	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	-1293000	USD
CY2020	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	-2312000	USD
CY2019	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	-4455000	USD
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	164161000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	85815000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	176684000	USD
CY2021Q4	rdn	Deferred Tax Assets Operating Loss Carryforwards Stateand Local Netof Federal Benefit DeferredTaxAssetsOperatingLossCarryforwardsStateandLocalNetofFederalBenefit	77637000	USD
CY2020Q4	rdn	Deferred Tax Assets Operating Loss Carryforwards Stateand Local Netof Federal Benefit DeferredTaxAssetsOperatingLossCarryforwardsStateandLocalNetofFederalBenefit	75499000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Goodwill And Intangible Assets DeferredTaxAssetsGoodwillAndIntangibleAssets	29744000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Goodwill And Intangible Assets DeferredTaxAssetsGoodwillAndIntangibleAssets	32673000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Unearned Premiums Reserve DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsUnearnedPremiumsReserve	23699000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Unearned Premiums Reserve DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsUnearnedPremiumsReserve	27703000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	16584000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	11140000	USD
CY2021Q4	rdn	Deferred Tax Assets Lease Liability DeferredTaxAssetsLeaseLiability	11240000	USD
CY2020Q4	rdn	Deferred Tax Assets Lease Liability DeferredTaxAssetsLeaseLiability	11214000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Loss Reserves DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsLossReserves	6286000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Loss Reserves DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsLossReserves	4578000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	18967000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	25066000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	184157000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	187873000	USD
CY2021Q4	rdn	Deferred Tax Liabilities Contingency Reserve DeferredTaxLiabilitiesContingencyReserve	368000000	USD
CY2020Q4	rdn	Deferred Tax Liabilities Contingency Reserve DeferredTaxLiabilitiesContingencyReserve	216122000	USD
CY2021Q4	us-gaap	Deferred Tax Liabilities Other Comprehensive Income DeferredTaxLiabilitiesOtherComprehensiveIncome	31876000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Other Comprehensive Income DeferredTaxLiabilitiesOtherComprehensiveIncome	70057000	USD
CY2021Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	12775000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	13029000	USD
CY2021Q4	us-gaap	Deferred Tax Liabilities Unrealized Gains On Trading Securities DeferredTaxLiabilitiesUnrealizedGainsOnTradingSecurities	7763000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Unrealized Gains On Trading Securities DeferredTaxLiabilitiesUnrealizedGainsOnTradingSecurities	9087000	USD
CY2021Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	17824000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	15747000	USD
CY2021Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	438238000	USD
CY2020Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	324042000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	83428000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	77728000	USD
CY2021Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	337509000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	213897000	USD
CY2021Q4	rdn	Income Taxes Payable Federal Current IncomeTaxesPayableFederalCurrent	19900000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards State And Local DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal	76100000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	83400000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	77700000	USD
CY2021Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	3900000	USD
CY2021	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	700000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	300000	USD
CY2020Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	20249000	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	37208000	USD
CY2021	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	267000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	250000	USD
CY2021	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromCurrentPeriodTaxPositions	858000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromCurrentPeriodTaxPositions	1788000	USD
CY2021	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	230000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	16568000	USD
CY2021	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2020	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	171000	USD
CY2021	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	0	USD
CY2020	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	31818000	USD
CY2021Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	19888000	USD
CY2020Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	20249000	USD
CY2021	us-gaap	Unrecognized Tax Benefits Period Increase Decrease UnrecognizedTaxBenefitsPeriodIncreaseDecrease	-400000	USD
CY2021Q4	us-gaap	Decrease In Unrecognized Tax Benefits Is Reasonably Possible DecreaseInUnrecognizedTaxBenefitsIsReasonablyPossible	1200000	USD
CY2021Q4	us-gaap	Liability For Claims And Claims Adjustment Expense LiabilityForClaimsAndClaimsAdjustmentExpense	828642000	USD
CY2020Q4	us-gaap	Liability For Claims And Claims Adjustment Expense LiabilityForClaimsAndClaimsAdjustmentExpense	848413000	USD
CY2021	us-gaap	Schedule Of Liability For Unpaid Claims And Claims Adjustment Expense ScheduleOfLiabilityForUnpaidClaimsAndClaimsAdjustmentExpense	For the periods indicated, the following table presents information relating to our mortgage insurance reserve for losses, including our IBNR reserve and LAE.<div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:54.257%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.841%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:12.739%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.841%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:12.739%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.841%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:12.742%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Rollforward of mortgage insurance reserve for losses</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/></tr><tr style="height:6pt"><td colspan="3" style="border-top:1.5pt solid #99aab6;padding:0 1pt"/><td colspan="3" style="border-top:1.5pt solid #99aab6;padding:0 1pt"/><td colspan="3" style="border-top:1.5pt solid #99aab6;padding:0 1pt"/><td colspan="3" style="border-top:1.5pt solid #99aab6;padding:0 1pt"/><td colspan="3" style="border-top:1.5pt solid #99aab6;padding:0 1pt"/><td colspan="3" style="border-top:1.5pt solid #99aab6;padding:0 1pt"/><td colspan="3" style="border-top:1.5pt solid #99aab6;padding:0 1pt"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="15" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#00bab3;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Years Ended December 31,</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#8b8886;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(In thousands)</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="background-color:#e6f8f8;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#00bab3;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">2021</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="background-color:#f4f4f4;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#00bab3;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">2020</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="background-color:#f4f4f4;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#00bab3;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">2019</span></td></tr><tr><td colspan="3" style="border-top:1pt solid #c7c9c7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Balance at January 1,</span></td><td colspan="3" style="border-top:1pt solid #c7c9c7;padding:0 1pt"/><td style="border-top:1pt solid #c7c9c7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">$</span></td><td style="border-top:1pt solid #c7c9c7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">844,107 </span></td><td style="border-top:1pt solid #c7c9c7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="border-top:1pt solid #c7c9c7;padding:0 1pt"/><td style="border-top:1pt solid #c7c9c7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">$</span></td><td style="border-top:1pt solid #c7c9c7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">401,273 </span></td><td style="border-top:1pt solid #c7c9c7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="border-top:1pt solid #c7c9c7;padding:0 1pt"/><td style="border-top:1pt solid #c7c9c7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">$</span></td><td style="border-top:1pt solid #c7c9c7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">397,891 </span></td><td style="border-top:1pt solid #c7c9c7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="border-top:1pt solid #e9e9e9;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Less: Reinsurance recoverables </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:120%;position:relative;top:-3.15pt;vertical-align:baseline">(1) </span></div></td><td colspan="3" style="padding:0 1pt"/><td colspan="2" style="border-top:1pt solid #e9e9e9;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">71,769 </span></td><td style="border-top:1pt solid #e9e9e9;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="padding:0 1pt"/><td colspan="2" style="border-top:1pt solid #e9e9e9;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">14,594 </span></td><td style="border-top:1pt solid #e9e9e9;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="padding:0 1pt"/><td colspan="2" style="border-top:1pt solid #e9e9e9;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">11,009 </span></td><td style="border-top:1pt solid #e9e9e9;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#f4f4f4;border-top:1pt solid #ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Balance at January 1, net of reinsurance recoverables</span></td><td colspan="3" style="background-color:#f4f4f4;border-top:1pt solid #ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#f4f4f4;border-top:1pt solid #c7c9c7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">772,338 </span></td><td style="background-color:#f4f4f4;border-top:1pt solid #c7c9c7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#f4f4f4;border-top:1pt solid #ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#f4f4f4;border-top:1pt solid #c7c9c7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">386,679 </span></td><td style="background-color:#f4f4f4;border-top:1pt solid #c7c9c7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#f4f4f4;border-top:1pt solid #ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#f4f4f4;border-top:1pt solid #c7c9c7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">386,882 </span></td><td style="background-color:#f4f4f4;border-top:1pt solid #c7c9c7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="border-top:1pt solid #ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Add: Losses and LAE incurred in respect of default notices reported and unreported in:</span></td><td colspan="3" style="border-top:1pt solid #ffffff;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #c7c9c7;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #ffffff;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #c7c9c7;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #ffffff;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #c7c9c7;padding:0 1pt"/></tr><tr><td colspan="3" style="border-top:1pt solid #e9e9e9;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:12pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Current year </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:120%;position:relative;top:-3.15pt;vertical-align:baseline">(2)</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> </span></div></td><td colspan="3" style="padding:0 1pt"/><td colspan="2" style="border-top:1pt solid #e9e9e9;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">160,565 </span></td><td style="border-top:1pt solid #e9e9e9;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="padding:0 1pt"/><td colspan="2" style="border-top:1pt solid #e9e9e9;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">517,807 </span></td><td style="border-top:1pt solid #e9e9e9;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="padding:0 1pt"/><td colspan="2" style="border-top:1pt solid #e9e9e9;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">146,733 </span></td><td style="border-top:1pt solid #e9e9e9;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="border-top:1pt solid #e9e9e9;padding:2px 1pt 2px 13pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Prior years</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="2" style="border-top:1pt solid #e9e9e9;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">(141,126)</span></td><td style="border-top:1pt solid #e9e9e9;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="padding:0 1pt"/><td colspan="2" style="border-top:1pt solid #e9e9e9;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">(34,547)</span></td><td style="border-top:1pt solid #e9e9e9;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="padding:0 1pt"/><td colspan="2" style="border-top:1pt solid #e9e9e9;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">(14,709)</span></td><td style="border-top:1pt solid #e9e9e9;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#f4f4f4;border-top:1pt solid #ffffff;padding:2px 1pt 2px 13pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Total incurred</span></td><td colspan="3" style="background-color:#f4f4f4;border-top:1pt solid #ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#f4f4f4;border-top:1pt solid #c7c9c7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">19,439 </span></td><td style="background-color:#f4f4f4;border-top:1pt solid #c7c9c7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#f4f4f4;border-top:1pt solid #ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#f4f4f4;border-top:1pt solid #c7c9c7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">483,260 </span></td><td style="background-color:#f4f4f4;border-top:1pt solid #c7c9c7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#f4f4f4;border-top:1pt solid #ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#f4f4f4;border-top:1pt solid #c7c9c7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">132,024 </span></td><td style="background-color:#f4f4f4;border-top:1pt solid #c7c9c7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="border-top:1pt solid #ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Deduct: Paid claims and LAE related to:</span></td><td colspan="3" style="border-top:1pt solid #ffffff;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #c7c9c7;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #ffffff;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #c7c9c7;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #ffffff;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #c7c9c7;padding:0 1pt"/></tr><tr><td colspan="3" style="border-top:1pt solid #e9e9e9;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:12pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Current year </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:120%;position:relative;top:-3.15pt;vertical-align:baseline">(2) </span></div></td><td colspan="3" style="padding:0 1pt"/><td colspan="2" style="border-top:1pt solid #e9e9e9;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">1,112 </span></td><td style="border-top:1pt solid #e9e9e9;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="padding:0 1pt"/><td colspan="2" style="border-top:1pt solid #e9e9e9;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">4,148 </span></td><td style="border-top:1pt solid #e9e9e9;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="padding:0 1pt"/><td colspan="2" style="border-top:1pt solid #e9e9e9;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">4,220 </span></td><td style="border-top:1pt solid #e9e9e9;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="border-top:1pt solid #e9e9e9;padding:2px 1pt 2px 13pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Prior years</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="2" style="border-top:1pt solid #e9e9e9;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">34,205 </span></td><td style="border-top:1pt solid #e9e9e9;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="padding:0 1pt"/><td colspan="2" style="border-top:1pt solid #e9e9e9;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">93,453 </span></td><td style="border-top:1pt solid #e9e9e9;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="padding:0 1pt"/><td colspan="2" style="border-top:1pt solid #e9e9e9;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">128,007 </span></td><td style="border-top:1pt solid #e9e9e9;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#f4f4f4;border-top:1pt solid #ffffff;padding:2px 1pt 2px 13pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Total paid</span></td><td colspan="3" style="background-color:#f4f4f4;border-top:1pt solid #ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#f4f4f4;border-top:1pt solid #c7c9c7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">35,317 </span></td><td style="background-color:#f4f4f4;border-top:1pt solid #c7c9c7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#f4f4f4;border-top:1pt solid #ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#f4f4f4;border-top:1pt solid #c7c9c7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">97,601 </span></td><td style="background-color:#f4f4f4;border-top:1pt solid #c7c9c7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#f4f4f4;border-top:1pt solid #ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#f4f4f4;border-top:1pt solid #c7c9c7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">132,227 </span></td><td style="background-color:#f4f4f4;border-top:1pt solid #c7c9c7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#f4f4f4;border-top:1pt solid #ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Balance at end of period, net of reinsurance recoverables</span></td><td colspan="3" style="background-color:#f4f4f4;border-top:1pt solid #ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#f4f4f4;border-top:1pt solid #c7c9c7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">756,460 </span></td><td style="background-color:#f4f4f4;border-top:1pt solid #c7c9c7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#f4f4f4;border-top:1pt solid #ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#f4f4f4;border-top:1pt solid #c7c9c7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">772,338 </span></td><td style="background-color:#f4f4f4;border-top:1pt solid #c7c9c7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#f4f4f4;border-top:1pt solid #ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#f4f4f4;border-top:1pt solid #c7c9c7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">386,679 </span></td><td style="background-color:#f4f4f4;border-top:1pt solid #c7c9c7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="border-top:1pt solid #ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Add: reinsurance recoverables</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:120%;position:relative;top:-3.15pt;vertical-align:baseline"> (1) </span></div></td><td colspan="3" style="border-top:1pt solid #ffffff;padding:0 1pt"/><td colspan="2" style="border-top:1pt solid #ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">66,676 </span></td><td style="border-top:1pt solid #ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="border-top:1pt solid #ffffff;padding:0 1pt"/><td colspan="2" style="border-top:1pt solid #ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">71,769 </span></td><td style="border-top:1pt solid #ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="border-top:1pt solid #ffffff;padding:0 1pt"/><td colspan="2" style="border-top:1pt solid #ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">14,594 </span></td><td style="border-top:1pt solid #ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#f4f4f4;border-bottom:1pt solid #ffffff;border-top:1pt solid #ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Balance at December 31,</span></td><td colspan="3" style="background-color:#f4f4f4;border-bottom:1pt solid #ffffff;border-top:1pt solid #ffffff;padding:0 1pt"/><td style="background-color:#f4f4f4;border-bottom:3pt double #c7c9c7;border-top:1pt solid #c7c9c7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">$</span></td><td style="background-color:#f4f4f4;border-bottom:3pt double #c7c9c7;border-top:1pt solid #c7c9c7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">823,136 </span></td><td style="background-color:#f4f4f4;border-bottom:3pt double #c7c9c7;border-top:1pt solid #c7c9c7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#f4f4f4;border-bottom:1pt solid #ffffff;border-top:1pt solid #ffffff;padding:0 1pt"/><td style="background-color:#f4f4f4;border-bottom:3pt double #c7c9c7;border-top:1pt solid #c7c9c7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">$</span></td><td style="background-color:#f4f4f4;border-bottom:3pt double #c7c9c7;border-top:1pt solid #c7c9c7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">844,107 </span></td><td style="background-color:#f4f4f4;border-bottom:3pt double #c7c9c7;border-top:1pt solid #c7c9c7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#f4f4f4;border-bottom:1pt solid #ffffff;border-top:1pt solid #ffffff;padding:0 1pt"/><td style="background-color:#f4f4f4;border-bottom:3pt double #c7c9c7;border-top:1pt solid #c7c9c7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">$</span></td><td style="background-color:#f4f4f4;border-bottom:3pt double #c7c9c7;border-top:1pt solid #c7c9c7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">401,273 </span></td><td style="background-color:#f4f4f4;border-bottom:3pt double #c7c9c7;border-top:1pt solid #c7c9c7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#64615d;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(1)</span><span style="color:#64615d;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%;padding-left:8.24pt">Related to ceded losses recoverable, if any, on reinsurance transactions. See Note 8 for additional information.</span></div>(2)Related to underlying defaulted loans with a most recent default notice dated in the year indicated. For example, if a loan had defaulted in a prior year, but then subsequently cured and later re-defaulted in the current year, that default would be considered a current year default.
CY2021Q4	rdn	Time In Default TimeInDefault	P2Y
CY2021Q4	rdn	Number Of States That Accounted For More Than10 Of Mortgage Insurance Business Measured By Primary Risk In Force NumberOfStatesThatAccountedForMoreThan10OfMortgageInsuranceBusinessMeasuredByPrimaryRiskInForce	0	state
CY2021Q4	rdn	Number Of Payments Missed For Insured Loans NumberOfPaymentsMissedForInsuredLoans	2	payment
CY2021	us-gaap	Operating Lease Cost OperatingLeaseCost	9333000	USD
CY2020	us-gaap	Operating Lease Cost OperatingLeaseCost	8798000	USD
CY2021	us-gaap	Short Term Lease Cost ShortTermLeaseCost	384000	USD
CY2020	us-gaap	Short Term Lease Cost ShortTermLeaseCost	13000	USD
CY2021	us-gaap	Lease Cost LeaseCost	9717000	USD
CY2020	us-gaap	Lease Cost LeaseCost	8811000	USD
CY2021	us-gaap	Operating Lease Payments OperatingLeasePayments	9060000	USD
CY2020	us-gaap	Operating Lease Payments OperatingLeasePayments	9595000	USD
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	31878000	USD
CY2020Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	32985000	USD
CY2021Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P7Y10M24D
CY2020Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P9Y3M18D
CY2021Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0621
CY2020Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0672
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	12033000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	12191000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	11952000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	9704000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	7225000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	32646000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	85751000	USD
CY2021Q4	rdn	Lessee Operating Lease Imputed Interest LesseeOperatingLeaseImputedInterest	32228000	USD
CY2020Q4	rdn	Lessee Operating Sublease Future Minimum Receipts LesseeOperatingSubleaseFutureMinimumReceipts	0	USD
CY2021Q4	rdn	Lessee Operating Sublease Future Minimum Receipts LesseeOperatingSubleaseFutureMinimumReceipts	0	USD
CY2020Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.125
CY2021Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.125
CY2020Q2	rdn	Common Stock Dividends Announced CommonStockDividendsAnnounced	0.125
CY2020Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.125
CY2021Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.125
CY2020Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.125
CY2020Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.125
CY2020Q2	rdn	Common Stock Dividends Announced CommonStockDividendsAnnounced	0.125
CY2020Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.125
CY2020Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.125
CY2021Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.14
CY2021Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.14
CY2021Q4	us-gaap	Prepaid Taxes PrepaidTaxes	354100000	USD
CY2021	us-gaap	Debt Instrument Term DebtInstrumentTerm	P10Y
CY2021Q4	rdn	Number Of Insurance Subsidiaries NumberOfInsuranceSubsidiaries	2	insuranceSubsidiary
CY2021Q4	rdn	Risk To Capital Ratio Regulatory Maximum RiskToCapitalRatioRegulatoryMaximum	25
CY2021Q4	rdn	Restricted Net Assets Held By Consolidated Subsidiaries RestrictedNetAssetsHeldByConsolidatedSubsidiaries	4800000000	USD
CY2021	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	28363000	USD
CY2020	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	19193000	USD
CY2019	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	21414000	USD
CY2021	rdn	Share Based Compensation Arrangement Amount Deferred As Policy Acquisition Cost ShareBasedCompensationArrangementAmountDeferredAsPolicyAcquisitionCost	0	USD
CY2020	rdn	Share Based Compensation Arrangement Amount Deferred As Policy Acquisition Cost ShareBasedCompensationArrangementAmountDeferredAsPolicyAcquisitionCost	0	USD
CY2019	rdn	Share Based Compensation Arrangement Amount Deferred As Policy Acquisition Cost ShareBasedCompensationArrangementAmountDeferredAsPolicyAcquisitionCost	373000	USD
CY2021	rdn	Share Based Compensation Arrangement By Share Based Payment Award Compensation Cost Excluding Amounts Deferred As Policy Acquisition Costs Prior To Income Taxes ShareBasedCompensationArrangementByShareBasedPaymentAwardCompensationCostExcludingAmountsDeferredAsPolicyAcquisitionCostsPriorToIncomeTaxes	28363000	USD
CY2020	rdn	Share Based Compensation Arrangement By Share Based Payment Award Compensation Cost Excluding Amounts Deferred As Policy Acquisition Costs Prior To Income Taxes ShareBasedCompensationArrangementByShareBasedPaymentAwardCompensationCostExcludingAmountsDeferredAsPolicyAcquisitionCostsPriorToIncomeTaxes	19193000	USD
CY2019	rdn	Share Based Compensation Arrangement By Share Based Payment Award Compensation Cost Excluding Amounts Deferred As Policy Acquisition Costs Prior To Income Taxes ShareBasedCompensationArrangementByShareBasedPaymentAwardCompensationCostExcludingAmountsDeferredAsPolicyAcquisitionCostsPriorToIncomeTaxes	21041000	USD
CY2021	rdn	Share Based Payment Arrangement Expense Federal Income Tax Expense Benefit ShareBasedPaymentArrangementExpenseFederalIncomeTaxExpenseBenefit	-7168000	USD
CY2020	rdn	Share Based Payment Arrangement Expense Federal Income Tax Expense Benefit ShareBasedPaymentArrangementExpenseFederalIncomeTaxExpenseBenefit	-4264000	USD
CY2019	rdn	Share Based Payment Arrangement Expense Federal Income Tax Expense Benefit ShareBasedPaymentArrangementExpenseFederalIncomeTaxExpenseBenefit	-6343000	USD
CY2021	rdn	Share Based Payment Arrangement Compensation Cost Excluding Amounts Deferred As Policy Acquisition Costs Net Of Income Taxes ShareBasedPaymentArrangementCompensationCostExcludingAmountsDeferredAsPolicyAcquisitionCostsNetOfIncomeTaxes	21195000	USD
CY2020	rdn	Share Based Payment Arrangement Compensation Cost Excluding Amounts Deferred As Policy Acquisition Costs Net Of Income Taxes ShareBasedPaymentArrangementCompensationCostExcludingAmountsDeferredAsPolicyAcquisitionCostsNetOfIncomeTaxes	14929000	USD
CY2019	rdn	Share Based Payment Arrangement Compensation Cost Excluding Amounts Deferred As Policy Acquisition Costs Net Of Income Taxes ShareBasedPaymentArrangementCompensationCostExcludingAmountsDeferredAsPolicyAcquisitionCostsNetOfIncomeTaxes	14698000	USD
CY2021	us-gaap	Defined Contribution Plan Maximum Annual Contributions Per Employee Percent DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent	1
CY2021	us-gaap	Defined Contribution Plan Maximum Annual Contributions Per Employee Amount DefinedContributionPlanMaximumAnnualContributionsPerEmployeeAmount	19500	USD
CY2021	rdn	Defined Contribution Plan Employee Discretionary Contribution Maximum Amount DefinedContributionPlanEmployeeDiscretionaryContributionMaximumAmount	6500	USD
CY2021	us-gaap	Defined Contribution Plan Employers Matching Contribution Annual Vesting Percentage DefinedContributionPlanEmployersMatchingContributionAnnualVestingPercentage	1
CY2021	us-gaap	Defined Contribution Plan Employer Matching Contribution Percent DefinedContributionPlanEmployerMatchingContributionPercent	0.060
CY2021	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	7800000	USD
CY2020	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	7800000	USD
CY2019	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	5600000	USD
CY2021Q4	us-gaap	Summary Of Investments Other Than Investments In Related Parties Cost SummaryOfInvestmentsOtherThanInvestmentsInRelatedPartiesCost	6432651000	USD
CY2021Q4	us-gaap	Summary Of Investments Other Than Investments In Related Parties Fair Value SummaryOfInvestmentsOtherThanInvestmentsInRelatedPartiesFairValue	6617538000	USD
CY2021Q4	us-gaap	Summary Of Investments Other Than Investments In Related Parties Carrying Amount SummaryOfInvestmentsOtherThanInvestmentsInRelatedPartiesCarryingAmount	6617538000	USD
CY2021	us-gaap	Proceeds From Issuance Of Secured Debt ProceedsFromIssuanceOfSecuredDebt	1057000	USD
CY2020	us-gaap	Proceeds From Issuance Of Secured Debt ProceedsFromIssuanceOfSecuredDebt	0	USD
CY2019	us-gaap	Proceeds From Issuance Of Secured Debt ProceedsFromIssuanceOfSecuredDebt	0	USD
CY2021	rdn	Total Operating Expenses Allocatedto Subsidiaries From Parent Company TotalOperatingExpensesAllocatedtoSubsidiariesFromParentCompany	147386000	USD
CY2020	rdn	Total Operating Expenses Allocatedto Subsidiaries From Parent Company TotalOperatingExpensesAllocatedtoSubsidiariesFromParentCompany	129870000	USD
CY2019	rdn	Total Operating Expenses Allocatedto Subsidiaries From Parent Company TotalOperatingExpensesAllocatedtoSubsidiariesFromParentCompany	124412000	USD
CY2021	rdn	Total Interest Expense Allocatedto Subsidiaries From Parent Company TotalInterestExpenseAllocatedtoSubsidiariesFromParentCompany	82833000	USD
CY2020	rdn	Total Interest Expense Allocatedto Subsidiaries From Parent Company TotalInterestExpenseAllocatedtoSubsidiariesFromParentCompany	68938000	USD
CY2019	rdn	Total Interest Expense Allocatedto Subsidiaries From Parent Company TotalInterestExpenseAllocatedtoSubsidiariesFromParentCompany	53692000	USD
CY2021	us-gaap	Direct Premiums Earned DirectPremiumsEarned	1144361000	USD
CY2021	us-gaap	Ceded Premiums Earned CededPremiumsEarned	114244000	USD
CY2021	us-gaap	Assumed Premiums Earned AssumedPremiumsEarned	7066000	USD
CY2021	us-gaap	Premiums Earned Net PremiumsEarnedNet	1037183000	USD
CY2021	us-gaap	Premiums Percentage Assumed To Net PremiumsPercentageAssumedToNet	0.0068
CY2020	us-gaap	Direct Premiums Earned DirectPremiumsEarned	1286527000	USD
CY2020	us-gaap	Ceded Premiums Earned CededPremiumsEarned	183420000	USD
CY2020	us-gaap	Assumed Premiums Earned AssumedPremiumsEarned	12214000	USD
CY2020	us-gaap	Premiums Earned Net PremiumsEarnedNet	1115321000	USD
CY2020	us-gaap	Premiums Percentage Assumed To Net PremiumsPercentageAssumedToNet	0.0110
CY2019	us-gaap	Direct Premiums Earned DirectPremiumsEarned	1244870000	USD
CY2019	us-gaap	Ceded Premiums Earned CededPremiumsEarned	109903000	USD
CY2019	us-gaap	Assumed Premiums Earned AssumedPremiumsEarned	10382000	USD
CY2019	us-gaap	Premiums Earned Net PremiumsEarnedNet	1145349000	USD
CY2019	us-gaap	Premiums Percentage Assumed To Net PremiumsPercentageAssumedToNet	0.0091

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$RDN
RADIAN GROUP INC Stock $rdn

2021 Q4 Form 10-K Financial Statement

#000089092622000007 Filed on February 25, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$RDN RADIAN GROUP INC Stock $rdn

2021 Q4 Form 10-K Financial Statement

#000089092622000007 Filed on February 25, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$RDN
RADIAN GROUP INC Stock $rdn