$RDN
RADIAN GROUP INC Stock $rdn

$rdn Overview Financials Valuation SEC Filings Company Website

2023 Q1 Form 10-K Financial Statement

#000089092623000007 Filed on February 24, 2023

Income Statement

Concept	2023 Q1	2022 Q4	2022
Revenue	$310.6M	$314.7M	$1.191B
YoY Change	6.02%	-6.99%	-10.47%
Cost Of Revenue	-$16.93M		$82.36M
YoY Change	-79.79%		-20.59%
Gross Profit	$327.5M		$1.108B
YoY Change	-13.06%		-9.61%
Gross Profit Margin	105.45%		93.08%
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$6.293M	$1.587M	$15.20M
YoY Change	-4.72%	83.89%	-4.4%
% of Gross Profit	1.92%		1.37%
Operating Expenses	$106.6M	$74.90M	$138.6M
YoY Change	81.18%	4.74%	-70.95%
Operating Profit	$220.9M		$969.7M
YoY Change	-30.5%		29.47%
Interest Expense	$22.21M	-$21.59M	$84.45M
YoY Change	6.53%	2.16%	0.13%
% of Operating Profit	10.05%		8.71%
Other Income/Expense, Net
YoY Change
Pretax Income	$204.0M	$203.3M	$952.8M
YoY Change	-12.87%	-17.53%	24.57%
Income Tax	$46.25M	$40.97M	$209.8M
% Of Pretax Income	22.67%	20.15%	22.02%
Net Earnings	$157.8M	$162.3M	$742.9M
YoY Change	-12.9%	-16.08%	23.68%
Net Earnings / Revenue	50.79%	51.58%	62.39%
Basic Earnings Per Share	$1.00		$4.42
Diluted Earnings Per Share	$0.98	$1.01	$4.35
COMMON SHARES
Basic Shares Outstanding	157.2M shares	157.0M shares	167.9M shares
Diluted Shares Outstanding	161.3M shares		170.7M shares

Balance Sheet

Concept	2023 Q1	2022 Q4	2022
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$50.17M	$56.18M
Short-Term Investments
Other Short-Term Assets		$596.4M	$596.4M
YoY Change
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets	$129.6M	$716.2M	$716.2M
YoY Change	-9.13%	477.51%	477.51%
LONG-TERM ASSETS
Property, Plant & Equipment	$72.11M	$70.98M	$70.98M
YoY Change	-4.2%	-5.47%	-33.64%
Goodwill		$9.800M
YoY Change		0.0%
Intangibles
YoY Change
Long-Term Investments	$5.968B	$5.693B	$5.693B
YoY Change	-7.18%	-13.96%	-13.96%
Other Assets	$577.0K	$377.0K	$377.0K
YoY Change	-65.05%	-74.44%	-74.44%
Total Long-Term Assets	$7.075B	$6.348B	$6.348B
YoY Change	-5.33%	-17.73%	-17.73%
TOTAL ASSETS
Total Short-Term Assets	$129.6M	$716.2M	$716.2M
Total Long-Term Assets	$7.075B	$6.348B	$6.348B
Total Assets	$7.204B	$7.064B	$7.064B
YoY Change	-5.4%	-9.89%	-9.89%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
Accrued Expenses	$46.90M	$49.39M	$49.39M
YoY Change	-8.04%	-7.73%	-7.73%
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	$46.90M	$49.39M	$49.39M
YoY Change	-8.04%	-7.73%	-7.73%
LONG-TERM LIABILITIES
Long-Term Debt	$1.536B	$1.569B	$1.569B
YoY Change	-1.49%	0.57%	0.57%
Other Long-Term Liabilities	$242.8M	$333.6M	$333.6M
YoY Change	-9.77%	37.23%	37.23%
Total Long-Term Liabilities	$1.779B	$1.903B	$1.903B
YoY Change	-2.71%	5.51%	5.51%
TOTAL LIABILITIES
Total Short-Term Liabilities	$46.90M	$49.39M	$49.39M
Total Long-Term Liabilities	$1.779B	$1.903B	$1.903B
Total Liabilities	$3.098B	$3.144B	$3.144B
YoY Change	-10.68%	-12.18%	-12.18%
SHAREHOLDERS EQUITY
Retained Earnings	$3.908B	$3.787B
YoY Change	17.51%	19.05%
Common Stock		$176.0K
YoY Change		-9.28%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$931.3M	$930.6M
YoY Change	1.12%	1.07%
Treasury Stock Shares	19.49M shares	19.45M shares
Shareholders Equity	$4.106B	$3.919B	$3.919B
YoY Change
Total Liabilities & Shareholders Equity	$7.204B	$7.064B	$7.064B
YoY Change	-5.4%	-9.89%	-9.89%

Cashflow Statement

Concept	2023 Q1	2022 Q4	2022
OPERATING ACTIVITIES
Net Income	$157.8M	$162.3M	$742.9M
YoY Change	-12.9%	-16.08%	23.68%
Depreciation, Depletion And Amortization	$6.293M	$1.587M	$15.20M
YoY Change	-4.72%	83.89%	-4.4%
Cash From Operating Activities	$116.8M	$106.1M	$388.3M
YoY Change	0.09%	-30.99%	-30.3%
INVESTING ACTIVITIES
Capital Expenditures	$4.786M	$5.523M	$17.67M
YoY Change	-217.45%	-242.31%	-240.24%
Acquisitions
YoY Change
Other Investing Activities	$165.0K	-$48.21M	$6.887M
YoY Change		-233.9%	-212.42%
Cash From Investing Activities	-$30.54M	-$53.73M	-$5.175M
YoY Change	-57.46%	-267.27%	177.93%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net			$398.9M
YoY Change			0.29%
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-$92.05M	-51.67M	-$479.2M
YoY Change	43.84%	-72.79%	-3.54%
NET CHANGE
Cash From Operating Activities	$116.8M	106.1M	$388.3M
Cash From Investing Activities	-$30.54M	-53.73M	-$5.175M
Cash From Financing Activities	-$92.05M	-51.67M	-$479.2M
Net Change In Cash	-$5.816M	752.0K	-$96.06M
YoY Change	-69.58%	-119.01%	-264.28%
FREE CASH FLOW
Cash From Operating Activities	$116.8M	$106.1M	$388.3M
Capital Expenditures	$4.786M	$5.523M	$17.67M
Free Cash Flow	$112.0M	$100.6M	$370.6M
YoY Change	-7.25%	-36.19%	-34.95%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2022	dei	Entity Central Index Key EntityCentralIndexKey	0000890926
CY2022	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2022
CY2022	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2022	dei	Amendment Flag AmendmentFlag	false
CY2022Q4	us-gaap	Derivative Liability Statement Of Financial Position Extensible Enumeration DerivativeLiabilityStatementOfFinancialPositionExtensibleEnumeration	http://fasb.org/us-gaap/2022#OtherLiabilities
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset Statement Of Financial Position Extensible List OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2022#OtherAssets
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CY2021Q4	us-gaap	Operating Lease Right Of Use Asset Statement Of Financial Position Extensible List OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2022#OtherAssets
CY2022	dei	Local Phone Number LocalPhoneNumber	231-1000
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CY2021Q4	us-gaap	Operating Lease Liability Statement Of Financial Position Extensible List OperatingLeaseLiabilityStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2022#OtherLiabilities
CY2022Q4	us-gaap	Operating Lease Liability Statement Of Financial Position Extensible List OperatingLeaseLiabilityStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2022#OtherLiabilities
CY2022	dei	Document Type DocumentType	10-K
CY2022	dei	Document Annual Report DocumentAnnualReport	true
CY2022	dei	Document Period End Date DocumentPeriodEndDate	2022-12-31
CY2022	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2022	dei	Document Transition Report DocumentTransitionReport	false
CY2022	dei	Entity File Number EntityFileNumber	1-11356
CY2022	dei	Entity Registrant Name EntityRegistrantName	RADIAN GROUP INC
CY2022	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2022	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	23-2691170
CY2022	dei	Entity Address Address Line1 EntityAddressAddressLine1	550 East Swedesford Road
CY2022	dei	Entity Address Address Line2 EntityAddressAddressLine2	Suite 350
CY2022	dei	Entity Address City Or Town EntityAddressCityOrTown	Wayne
CY2022	dei	Entity Address State Or Province EntityAddressStateOrProvince	PA
CY2022	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	19087
CY2022	dei	City Area Code CityAreaCode	215
CY2022	dei	Security12b Title Security12bTitle	Common Stock, $.001 par value per share
CY2022	dei	Trading Symbol TradingSymbol	RDN
CY2022	dei	Security Exchange Name SecurityExchangeName	NYSE
CY2022	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2022	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2022	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2022	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2022	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2022	dei	Entity Small Business EntitySmallBusiness	false
CY2022	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
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CY2022	dei	Auditor Firm AuditorFirmId	238
CY2022	dei	Auditor Name AuditorName	PricewaterhouseCoopers LLP
CY2022	dei	Auditor Location AuditorLocation	Philadelphia, Pennsylvania
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CY2021	us-gaap	Costs And Expenses CostsAndExpenses	565100000	usd
CY2020	us-gaap	Costs And Expenses CostsAndExpenses	959176000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	952779000	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
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	209845000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	164161000	usd
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	85815000	usd
CY2022	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	742934000	usd
CY2021	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	600671000	usd
CY2020	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	393626000	usd
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	4.42
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.19
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.01
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	4.35
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.16
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.00
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	167930000	shares
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
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	170664000	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
CY2022	us-gaap	Net Income Loss NetIncomeLoss	742934000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	600671000	usd
CY2020	us-gaap	Net Income Loss NetIncomeLoss	393626000	usd
CY2022	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-584856000	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
CY2022	rdn	Other Comprehensive Income Loss Reclassification Adjustment For Non Credit Related Impairments Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentForNonCreditRelatedImpairmentsNetOfTax	-7880000	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
CY2022	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 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
CY2022	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-576976000	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
CY2022	rdn	Other Adjustments To Other Comprehensive Income Net Of Tax OtherAdjustmentsToOtherComprehensiveIncomeNetOfTax	84000	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
CY2022	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-576892000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-143632000	usd
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	153237000	usd
CY2022	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	166042000	usd
CY2021	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	457039000	usd
CY2020	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	546863000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	3919327000	usd
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	4258796000	usd
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	4284353000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	742934000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	600671000	usd
CY2020	us-gaap	Net Income Loss NetIncomeLoss	393626000	usd
CY2022	rdn	Net Gains Losses On Investments And Other Financial Instruments NetGainsLossesOnInvestmentsAndOtherFinancialInstruments	-80733000	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
CY2022	us-gaap	Payments To Purchase Mortgage Loans Held For Sale PaymentsToPurchaseMortgageLoansHeldForSale	3890000	usd
CY2021	us-gaap	Payments To Purchase Mortgage Loans Held For Sale PaymentsToPurchaseMortgageLoansHeldForSale	0	usd
CY2020	us-gaap	Payments To Purchase Mortgage Loans Held For Sale PaymentsToPurchaseMortgageLoansHeldForSale	0	usd
CY2022	us-gaap	Proceeds From Collection Of Mortgage Loans Held For Sale ProceedsFromCollectionOfMortgageLoansHeldForSale	393000	usd
CY2021	us-gaap	Proceeds From Collection Of Mortgage Loans Held For Sale ProceedsFromCollectionOfMortgageLoansHeldForSale	0	usd
CY2020	us-gaap	Proceeds From Collection Of Mortgage Loans Held For Sale ProceedsFromCollectionOfMortgageLoansHeldForSale	0	usd
CY2022	rdn	Increase Decrease In Goodwill And Intangible Assets Including Restructuring IncreaseDecreaseInGoodwillAndIntangibleAssetsIncludingRestructuring	4308000	usd
CY2021	rdn	Increase Decrease In Goodwill And Intangible Assets Including Restructuring IncreaseDecreaseInGoodwillAndIntangibleAssetsIncludingRestructuring	3450000	usd
CY2020	rdn	Increase Decrease In Goodwill And Intangible Assets Including Restructuring IncreaseDecreaseInGoodwillAndIntangibleAssetsIncludingRestructuring	5144000	usd
CY2022	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	72267000	usd
CY2021	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	72020000	usd
CY2020	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	66585000	usd
CY2022	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	206925000	usd
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	161793000	usd
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	102079000	usd
CY2022	us-gaap	Increase Decrease In Accrued Investment Income Receivable IncreaseDecreaseInAccruedInvestmentIncomeReceivable	7281000	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
CY2022	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-4210000	usd
CY2021	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	2722000	usd
CY2020	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	29280000	usd
CY2022	us-gaap	Increase Decrease In Reinsurance Recoverable IncreaseDecreaseInReinsuranceRecoverable	-42263000	usd
CY2021	us-gaap	Increase Decrease In Reinsurance Recoverable IncreaseDecreaseInReinsuranceRecoverable	-5306000	usd
CY2020	us-gaap	Increase Decrease In Reinsurance Recoverable IncreaseDecreaseInReinsuranceRecoverable	56226000	usd
CY2022	us-gaap	Increase Decrease In Deferred Policy Acquisition Costs IncreaseDecreaseInDeferredPolicyAcquisitionCosts	2143000	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
CY2022	us-gaap	Increase Decrease In Prepaid Taxes IncreaseDecreaseInPrepaidTaxes	242245000	usd
CY2021	us-gaap	Increase Decrease In Prepaid Taxes IncreaseDecreaseInPrepaidTaxes	143234000	usd
CY2020	us-gaap	Increase Decrease In Prepaid Taxes IncreaseDecreaseInPrepaidTaxes	76089000	usd
CY2022	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-65744000	usd
CY2021	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-65071000	usd
CY2020	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-114769000	usd
CY2022	us-gaap	Increase Decrease In Unearned Premiums IncreaseDecreaseInUnearnedPremiums	-57611000	usd
CY2021	us-gaap	Increase Decrease In Unearned Premiums IncreaseDecreaseInUnearnedPremiums	-119701000	usd
CY2020	us-gaap	Increase Decrease In Unearned Premiums IncreaseDecreaseInUnearnedPremiums	-178031000	usd
CY2022	us-gaap	Increase Decrease In Liability For Claims And Claims Adjustment Expense Reserve IncreaseDecreaseInLiabilityForClaimsAndClaimsAdjustmentExpenseReserve	-401799000	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
CY2022	us-gaap	Increase Decrease In Funds Held Under Reinsurance Agreements IncreaseDecreaseInFundsHeldUnderReinsuranceAgreements	76011000	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
CY2022	us-gaap	Increase Decrease In Accrued Liabilities And Other Operating Liabilities IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities	-40499000	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
CY2022	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	388298000	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
CY2022	us-gaap	Proceeds From Sale And Maturity Of Available For Sale Securities ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities	399371000	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
CY2022	us-gaap	Proceeds From Sale Of Trading Securities Heldforinvestment ProceedsFromSaleOfTradingSecuritiesHeldforinvestment	8868000	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
CY2022	us-gaap	Proceeds From Sale Of Equity Securities Fv Ni ProceedsFromSaleOfEquitySecuritiesFvNi	8004000	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
CY2022	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	789929000	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
CY2022	us-gaap	Proceeds From Maturities Repayments And Calls Of Trading Securities Heldforinvestment ProceedsFromMaturitiesRepaymentsAndCallsOfTradingSecuritiesHeldforinvestment	102121000	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
CY2022	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	1414966000	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
CY2022	us-gaap	Payments To Acquire Equity Securities Fv Ni PaymentsToAcquireEquitySecuritiesFvNi	24637000	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
CY2022	us-gaap	Payments For Proceeds From Short Term Investments PaymentsForProceedsFromShortTermInvestments	-150694000	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
CY2022	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	6887000	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
CY2022	us-gaap	Proceeds From Divestiture Of Businesses And Interests In Affiliates ProceedsFromDivestitureOfBusinessesAndInterestsInAffiliates	0	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
CY2022	us-gaap	Payments For Proceeds From Productive Assets PaymentsForProceedsFromProductiveAssets	17672000	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
CY2022	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-5175000	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
CY2022	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	135437000	usd
CY2021	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	103298000	usd
CY2020	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	97458000	usd
CY2022	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	1341000	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
CY2022	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	400195000	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
CY2022	us-gaap	Proceeds From Debt Net Of Issuance Costs ProceedsFromDebtNetOfIssuanceCosts	0	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
CY2022	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-814000	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
CY2022	us-gaap	Increase Decrease In Securities Lending Payable IncreaseDecreaseInSecuritiesLendingPayable	102983000	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
CY2022	us-gaap	Proceeds From Short Term Debt Maturing In More Than Three Months ProceedsFromShortTermDebtMaturingInMoreThanThreeMonths	28704000	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
CY2022	us-gaap	Repayments Of Short Term Debt Maturing In More Than Three Months RepaymentsOfShortTermDebtMaturingInMoreThanThreeMonths	75765000	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	138006000	usd
CY2022	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-479183000	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
CY2022	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-96060000	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
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
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	56560000	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
CY2022	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	243500000	usd
CY2021	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	143973000	usd
CY2020	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	81404000	usd
CY2022	us-gaap	Interest Paid Net InterestPaidNet	79062000	usd
CY2021	us-gaap	Interest Paid Net InterestPaidNet	78704000	usd
CY2020	us-gaap	Interest Paid Net InterestPaidNet	60564000	usd
CY2022	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	2	segment
CY2022	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>
CY2022	rdn	Maximum Maturity Duration For Short Term Investment Grouping MaximumMaturityDurationForShortTermInvestmentGrouping	P12M
CY2022	us-gaap	Number Of Reporting Units NumberOfReportingUnits	1	reportingunit
CY2022	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	15200000	usd
CY2021	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	15900000	usd
CY2020	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	18300000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	263335000	usd
CY2022Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	192354000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	70981000	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
CY2022	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	742934000	usd
CY2022	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	742934000	usd
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	600671000	usd
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	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
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	167930000	shares
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
CY2022	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	2734000	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
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	170664000	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
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	4.42
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.19
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.01
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	4.35
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.16
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.00
CY2022	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	2	segment
CY2022	rdn	Increase Decrease In Goodwill And Intangible Assets IncreaseDecreaseInGoodwillAndIntangibleAssets	4308000	usd
CY2021	rdn	Increase Decrease In Goodwill And Intangible Assets IncreaseDecreaseInGoodwillAndIntangibleAssets	3450000	usd
CY2020	rdn	Increase Decrease In Goodwill And Intangible Assets IncreaseDecreaseInGoodwillAndIntangibleAssets	5144000	usd
CY2022	us-gaap	Impairment Of Long Lived Assets Held For Use ImpairmentOfLongLivedAssetsHeldForUse	14850000	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
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	952779000	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
CY2022	us-gaap	Premiums Earned Net PremiumsEarnedNet	981131000	usd
CY2022	rdn	Services Revenue Net ServicesRevenueNet	92216000	usd
CY2022	us-gaap	Net Investment Income NetInvestmentIncome	195658000	usd
CY2022	rdn	Net Gains Losses On Investments And Other Financial Instruments NetGainsLossesOnInvestmentsAndOtherFinancialInstruments	-80733000	usd
CY2022	us-gaap	Other Income OtherIncome	2454000	usd
CY2022	us-gaap	Revenues Revenues	1190726000	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
CY2022	rdn	Services Revenue Net ServicesRevenueNet	92216000	usd
CY2021	rdn	Services Revenue Net ServicesRevenueNet	125825000	usd
CY2020	rdn	Services Revenue Net ServicesRevenueNet	105385000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Number Of Positions DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsNumberOfPositions	858	security
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	3463314000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	312320000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Number Of Positions DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerNumberOfPositions	426	security
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	1434379000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	269173000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Number Of Positions DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions	1284	security
CY2022Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	4897693000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	581493000	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
CY2022	rdn	Securities Lending Rate Of Collateral Required SecuritiesLendingRateOfCollateralRequired	1.02
CY2022	us-gaap	Gross Investment Income Operating GrossInvestmentIncomeOperating	202524000	usd
CY2021	us-gaap	Gross Investment Income Operating GrossInvestmentIncomeOperating	154956000	usd
CY2020	us-gaap	Gross Investment Income Operating GrossInvestmentIncomeOperating	160633000	usd
CY2022	us-gaap	Investment Income Investment Expense InvestmentIncomeInvestmentExpense	6866000	usd
CY2021	us-gaap	Investment Income Investment Expense InvestmentIncomeInvestmentExpense	7047000	usd
CY2020	us-gaap	Investment Income Investment Expense InvestmentIncomeInvestmentExpense	6596000	usd
CY2022	us-gaap	Investment Income Net InvestmentIncomeNet	195658000	usd
CY2021	us-gaap	Investment Income Net InvestmentIncomeNet	147909000	usd
CY2020	us-gaap	Investment Income Net InvestmentIncomeNet	154037000	usd
CY2022	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	28000	usd
CY2021	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	0	usd
CY2020	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	0	usd
CY2022	rdn	Realized Gains Losses On Investments Net RealizedGainsLossesOnInvestmentsNet	-8278000	usd
CY2021	rdn	Realized Gains Losses On Investments Net RealizedGainsLossesOnInvestmentsNet	20842000	usd
CY2020	rdn	Realized Gains Losses On Investments Net RealizedGainsLossesOnInvestmentsNet	35826000	usd
CY2022	rdn	Change In Unrealized Gains Losses On Investments Sold Or Redeemed ChangeInUnrealizedGainsLossesOnInvestmentsSoldOrRedeemed	-3458000	usd
CY2021	rdn	Change In Unrealized Gains Losses On Investments Sold Or Redeemed ChangeInUnrealizedGainsLossesOnInvestmentsSoldOrRedeemed	-8714000	usd
CY2020	rdn	Change In Unrealized Gains Losses On Investments Sold Or Redeemed ChangeInUnrealizedGainsLossesOnInvestmentsSoldOrRedeemed	-1630000	usd
CY2022	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss Writeoff DebtSecuritiesAvailableForSaleAllowanceForCreditLossWriteoff	0	usd
CY2021	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss Writeoff DebtSecuritiesAvailableForSaleAllowanceForCreditLossWriteoff	0	usd
CY2020	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss Writeoff DebtSecuritiesAvailableForSaleAllowanceForCreditLossWriteoff	1401000	usd
CY2022	rdn	Other Than Temporary Impairment Losses Investments Expected Credit Losses OtherThanTemporaryImpairmentLossesInvestmentsExpectedCreditLosses	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
CY2022	us-gaap	Increase Decrease In Mortgage Loans Held For Sale IncreaseDecreaseInMortgageLoansHeldForSale	51000	usd
CY2021	us-gaap	Increase Decrease In Mortgage Loans Held For Sale IncreaseDecreaseInMortgageLoansHeldForSale	0	usd
CY2020	us-gaap	Increase Decrease In Mortgage Loans Held For Sale IncreaseDecreaseInMortgageLoansHeldForSale	0	usd
CY2022	rdn	Changein Unrealized Holding Gain Loss ChangeinUnrealizedHoldingGainLoss	-53291000	usd
CY2021	rdn	Changein Unrealized Holding Gain Loss ChangeinUnrealizedHoldingGainLoss	4053000	usd
CY2020	rdn	Changein Unrealized Holding Gain Loss ChangeinUnrealizedHoldingGainLoss	12590000	usd
CY2022	us-gaap	Gain Loss On Investments GainLossOnInvestments	-65027000	usd
CY2021	us-gaap	Gain Loss On Investments GainLossOnInvestments	17099000	usd
CY2020	us-gaap	Gain Loss On Investments GainLossOnInvestments	44131000	usd
CY2022	rdn	Gain Loss On Financial Instruments GainLossOnFinancialInstruments	-15706000	usd
CY2021	rdn	Gain Loss On Financial Instruments GainLossOnFinancialInstruments	-1496000	usd
CY2020	rdn	Gain Loss On Financial Instruments GainLossOnFinancialInstruments	16146000	usd
CY2022	rdn	Net Gains Losses On Investments And Other Financial Instruments NetGainsLossesOnInvestmentsAndOtherFinancialInstruments	-80733000	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
CY2022Q4	us-gaap	Goodwill Goodwill	9800000	usd
CY2021Q4	us-gaap	Goodwill Goodwill	9800000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	5500000	usd
CY2022	us-gaap	Direct Premiums Written DirectPremiumsWritten	992418000	usd
CY2021	us-gaap	Direct Premiums Written DirectPremiumsWritten	1024660000	usd
CY2020	us-gaap	Direct Premiums Written DirectPremiumsWritten	1108513000	usd
CY2022	us-gaap	Direct Premiums Earned DirectPremiumsEarned	1050029000	usd
CY2021	us-gaap	Direct Premiums Earned DirectPremiumsEarned	1144361000	usd
CY2020	us-gaap	Direct Premiums Earned DirectPremiumsEarned	1286527000	usd
CY2022	us-gaap	Ceded Premiums Written CededPremiumsWritten	12652000	usd
CY2021	us-gaap	Ceded Premiums Written CededPremiumsWritten	48279000	usd
CY2020	us-gaap	Ceded Premiums Written CededPremiumsWritten	87201000	usd
CY2022	us-gaap	Ceded Premiums Earned CededPremiumsEarned	72923000	usd
CY2021	us-gaap	Ceded Premiums Earned CededPremiumsEarned	114244000	usd
CY2020	us-gaap	Ceded Premiums Earned CededPremiumsEarned	183420000	usd
CY2022	us-gaap	Premiums Written Net PremiumsWrittenNet	983791000	usd
CY2021	us-gaap	Premiums Written Net PremiumsWrittenNet	983447000	usd
CY2020	us-gaap	Premiums Written Net PremiumsWrittenNet	1033509000	usd
CY2022	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2022	us-gaap	Premiums Earned Net PremiumsEarnedNet	981131000	usd
CY2021	us-gaap	Premiums Earned Net PremiumsEarnedNet	1037183000	usd
CY2020	us-gaap	Premiums Earned Net PremiumsEarnedNet	1115321000	usd
CY2022	rdn	Ceding Commissions Earned CedingCommissionsEarned	18998000	usd
CY2021	rdn	Ceding Commissions Earned CedingCommissionsEarned	31745000	usd
CY2020	rdn	Ceding Commissions Earned CedingCommissionsEarned	53654000	usd
CY2022	us-gaap	Reinsurance Effect On Claims And Benefits Incurred Amount Ceded ReinsuranceEffectOnClaimsAndBenefitsIncurredAmountCeded	41980000	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 Assumed ReinsuranceEffectOnClaimsAndBenefitsIncurredAmountAssumed	58266000	usd
CY2022Q4	rdn	Unearned Ceding Commissions UnearnedCedingCommissions	27400000	usd
CY2021Q4	rdn	Unearned Ceding Commissions UnearnedCedingCommissions	38600000	usd
CY2022Q4	rdn	Funds Held Under Reinsurance Agreements Off Balance Sheet Asset FundsHeldUnderReinsuranceAgreementsOffBalanceSheetAsset	174500000	usd
CY2021Q4	rdn	Funds Held Under Reinsurance Agreements Off Balance Sheet Asset FundsHeldUnderReinsuranceAgreementsOffBalanceSheetAsset	167900000	usd
CY2022Q4	us-gaap	Prepaid Reinsurance Premiums PrepaidReinsurancePremiums	141402000	usd
CY2021Q4	us-gaap	Prepaid Reinsurance Premiums PrepaidReinsurancePremiums	201674000	usd
CY2022Q4	us-gaap	Securities Loaned Asset SecuritiesLoanedAsset	112139000	usd
CY2021Q4	us-gaap	Securities Loaned Asset SecuritiesLoanedAsset	103996000	usd
CY2022Q4	us-gaap	Life Insurance Corporate Or Bank Owned Amount LifeInsuranceCorporateOrBankOwnedAmount	105331000	usd
CY2021Q4	us-gaap	Life Insurance Corporate Or Bank Owned Amount LifeInsuranceCorporateOrBankOwnedAmount	113386000	usd
CY2022Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	21099000	usd
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	31878000	usd
CY2022Q4	us-gaap	Other Assets Miscellaneous OtherAssetsMiscellaneous	47053000	usd
CY2021Q4	us-gaap	Other Assets Miscellaneous OtherAssetsMiscellaneous	32246000	usd
CY2022Q4	us-gaap	Other Assets OtherAssets	427024000	usd
CY2021Q4	us-gaap	Other Assets OtherAssets	483180000	usd
CY2021Q2	rdn	Lessee Operating Lease Number Of Contracts LesseeOperatingLeaseNumberOfContracts	2	lease
CY2022	us-gaap	Operating Lease Impairment Loss OperatingLeaseImpairmentLoss	7600000	usd
CY2021	us-gaap	Operating Lease Impairment Loss OperatingLeaseImpairmentLoss	1100000	usd
CY2021	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
CY2022	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	2920000	usd
CY2021	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	2368000	usd
CY2020	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	-16264000	usd
CY2022	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	206925000	usd
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	161793000	usd
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	102079000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	209845000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	164161000	usd
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	85815000	usd
CY2022	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	200084000	usd
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
CY2022	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	20869000	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
CY2022	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	-13791000	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
CY2022	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-1076000	usd
CY2021	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	853000	usd
CY2020	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-14784000	usd
CY2022	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	3759000	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
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	209845000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	164161000	usd
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	85815000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Other Comprehensive Loss DeferredTaxAssetsOtherComprehensiveLoss	121497000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Other Comprehensive Loss DeferredTaxAssetsOtherComprehensiveLoss	0	usd
CY2022Q4	rdn	Deferred Tax Assets Operating Loss Carryforwards Stateand Local Netof Federal Benefit DeferredTaxAssetsOperatingLossCarryforwardsStateandLocalNetofFederalBenefit	58031000	usd
CY2021Q4	rdn	Deferred Tax Assets Operating Loss Carryforwards Stateand Local Netof Federal Benefit DeferredTaxAssetsOperatingLossCarryforwardsStateandLocalNetofFederalBenefit	77637000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Goodwill And Intangible Assets DeferredTaxAssetsGoodwillAndIntangibleAssets	30782000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Goodwill And Intangible Assets DeferredTaxAssetsGoodwillAndIntangibleAssets	29723000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Unearned Premiums Reserve DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsUnearnedPremiumsReserve	26108000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Unearned Premiums Reserve DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsUnearnedPremiumsReserve	23699000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	11913000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	16584000	usd
CY2022Q4	rdn	Deferred Tax Assets Lease Liability DeferredTaxAssetsLeaseLiability	10371000	usd
CY2021Q4	rdn	Deferred Tax Assets Lease Liability DeferredTaxAssetsLeaseLiability	11240000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Unrealized Losses On Trading Securities DeferredTaxAssetsUnrealizedLossesOnTradingSecurities	5998000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Unrealized Losses On Trading Securities DeferredTaxAssetsUnrealizedLossesOnTradingSecurities	0	usd
CY2022Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Loss Reserves DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsLossReserves	3102000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Loss Reserves DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsLossReserves	6286000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	32328000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	27932000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	300130000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	193101000	usd
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CY2021Q4	rdn	Deferred Tax Liabilities Contingency Reserve DeferredTaxLiabilitiesContingencyReserve	368000000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	10031000	usd
CY2021Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	12775000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities Other Comprehensive Income DeferredTaxLiabilitiesOtherComprehensiveIncome	0	usd
CY2021Q4	us-gaap	Deferred Tax Liabilities Other Comprehensive Income DeferredTaxLiabilitiesOtherComprehensiveIncome	31876000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities Unrealized Gains On Trading Securities DeferredTaxLiabilitiesUnrealizedGainsOnTradingSecurities	0	usd
CY2021Q4	us-gaap	Deferred Tax Liabilities Unrealized Gains On Trading Securities DeferredTaxLiabilitiesUnrealizedGainsOnTradingSecurities	7763000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	23823000	usd
CY2021Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	26768000	usd
CY2022Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	621576000	usd
CY2021Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	447182000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	69637000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	83428000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	391083000	usd
CY2021Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	337509000	usd
CY2022Q4	rdn	Income Taxes Payable Federal Current IncomeTaxesPayableFederalCurrent	21400000	usd
CY2021Q4	rdn	Income Taxes Payable Federal Current IncomeTaxesPayableFederalCurrent	19900000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	69600000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	83400000	usd
CY2022Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	2800000	usd
CY2022	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	-200000	usd
CY2021	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	700000	usd
CY2021Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	19888000	usd
CY2020Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	20249000	usd
CY2022	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	1791000	usd
CY2021	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	267000	usd
CY2022	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromCurrentPeriodTaxPositions	0	usd
CY2021	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromCurrentPeriodTaxPositions	858000	usd
CY2022	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	17666000	usd
CY2021	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	230000	usd
CY2022	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	17000	usd
CY2021	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	0	usd
CY2022	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	18518000	usd
CY2021	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	0	usd
CY2022Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	20810000	usd
CY2021Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	19888000	usd
CY2022	us-gaap	Unrecognized Tax Benefits Period Increase Decrease UnrecognizedTaxBenefitsPeriodIncreaseDecrease	900000	usd
CY2022Q4	us-gaap	Decrease In Unrecognized Tax Benefits Is Reasonably Possible DecreaseInUnrecognizedTaxBenefitsIsReasonablyPossible	400000	usd
CY2022Q4	us-gaap	Liability For Claims And Claims Adjustment Expense LiabilityForClaimsAndClaimsAdjustmentExpense	426843000	usd
CY2021Q4	us-gaap	Liability For Claims And Claims Adjustment Expense LiabilityForClaimsAndClaimsAdjustmentExpense	828642000	usd
CY2022	us-gaap	Schedule Of Liability For Unpaid Claims And Claims Adjustment Expense ScheduleOfLiabilityForUnpaidClaimsAndClaimsAdjustmentExpense	<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 the periods indicated, the following table presents information relating to our mortgage insurance reserve for losses, including our IBNR reserve and LAE.</span></div><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%">2022</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%">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></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 beginning of year</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%">823,136 </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%">$</span></td><td style="border-top:1pt solid #c7c9c7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">844,107 </span></td><td style="border-top:1pt solid #c7c9c7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="border-top:1pt solid #c7c9c7;padding:0 1pt"/><td style="border-top:1pt solid #c7c9c7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">$</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"/></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 recoverable </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%">66,676 </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%">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"/></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 beginning of year, net of reinsurance recoverable</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"><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%">160,049 </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%">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"/></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%">(499,423)</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%">(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"/></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%">(339,374)</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%">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"/></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%">499 </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%">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"/></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%">20,359 </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%">34,205 </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"/></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%">20,858 </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%">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"/></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 recoverable</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%">396,228 </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%">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"/></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 recoverable</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%">24,727 </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%">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"/></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 end of year</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%">$</span></td><td style="background-color:#f4f4f4;border-bottom:3pt double #c7c9c7;border-top:1pt solid #c7c9c7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">420,955 </span></td><td style="background-color:#f4f4f4;border-bottom:3pt double #c7c9c7;border-top:1pt solid #c7c9c7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#f4f4f4;border-bottom:1pt solid #ffffff;border-top:1pt solid #ffffff;padding:0 1pt"/><td style="background-color:#f4f4f4;border-bottom:3pt double #c7c9c7;border-top:1pt solid #c7c9c7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">$</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%">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"/></tr></table></div><div style="padding-left:22.5pt;text-indent:-22.5pt"><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:12.74pt">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.
CY2022Q4	rdn	Time In Default TimeInDefault	P2Y
CY2022Q4	rdn	Number Of Payments Missed For Insured Loans NumberOfPaymentsMissedForInsuredLoans	2	payment
CY2022Q4	us-gaap	Other Borrowings OtherBorrowings	155822000	usd
CY2021Q4	us-gaap	Other Borrowings OtherBorrowings	150983000	usd
CY2020Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.125
CY2022	us-gaap	Operating Lease Cost OperatingLeaseCost	10633000	usd
CY2021	us-gaap	Operating Lease Cost OperatingLeaseCost	9333000	usd
CY2022	us-gaap	Short Term Lease Cost ShortTermLeaseCost	220000	usd
CY2021	us-gaap	Short Term Lease Cost ShortTermLeaseCost	384000	usd
CY2022	us-gaap	Lease Cost LeaseCost	10853000	usd
CY2021	us-gaap	Lease Cost LeaseCost	9717000	usd
CY2022	us-gaap	Operating Lease Payments OperatingLeasePayments	12520000	usd
CY2021	us-gaap	Operating Lease Payments OperatingLeasePayments	9060000	usd
CY2022Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	21099000	usd
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	31878000	usd
CY2022Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	49386000	usd
CY2021Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	53523000	usd
CY2022Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P7Y6M
CY2021Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P7Y10M24D
CY2022Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.069
CY2021Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.062
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	13050000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	12832000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	10606000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	8147000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	7233000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	29361000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	81229000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	31843000	usd
CY2022Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	49386000	usd
CY2021Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.14
CY2021Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	175421000	shares
CY2020Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	191606000	shares
CY2019Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	201164000	shares
CY2022	rdn	Share Based Payment Arrangement Net Of Shares Withheld For Tax Withholding Obligation ShareBasedPaymentArrangementNetOfSharesWithheldForTaxWithholdingObligation	1141000	shares
CY2021	rdn	Share Based Payment Arrangement Net Of Shares Withheld For Tax Withholding Obligation ShareBasedPaymentArrangementNetOfSharesWithheldForTaxWithholdingObligation	1567000	shares
CY2020	rdn	Share Based Payment Arrangement Net Of Shares Withheld For Tax Withholding Obligation ShareBasedPaymentArrangementNetOfSharesWithheldForTaxWithholdingObligation	1478000	shares
CY2022Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	157056000	shares
CY2021Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	175421000	shares
CY2020Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	191606000	shares
CY2022Q1	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	400000000	usd
CY2020Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.125
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	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.125
CY2021Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.14
CY2021Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.14
CY2021Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.14
CY2022Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.20
CY2022Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.20
CY2022Q4	rdn	Statutory Accounting Practices Statutory Capital And Surplus Distributions Return Of Capital StatutoryAccountingPracticesStatutoryCapitalAndSurplusDistributionsReturnOfCapital	282000000	usd
CY2022Q4	us-gaap	Prepaid Taxes PrepaidTaxes	596400000	usd
CY2022	us-gaap	Debt Instrument Term DebtInstrumentTerm	P10Y
CY2022Q4	rdn	Number Of Insurance Subsidiaries NumberOfInsuranceSubsidiaries	2	insurancesubsidiary
CY2022Q4	rdn	Risk To Capital Ratio Regulatory Maximum RiskToCapitalRatioRegulatoryMaximum	25
CY2022Q4	rdn	Restricted Net Assets Held By Consolidated Subsidiaries RestrictedNetAssetsHeldByConsolidatedSubsidiaries	4300000000	usd
CY2022Q4	rdn	Statutory Accounting Practices Statutory Capital And Surplus Distributions Return Of Capital StatutoryAccountingPracticesStatutoryCapitalAndSurplusDistributionsReturnOfCapital	282000000	usd
CY2022	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	38061000	usd
CY2021	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	28363000	usd
CY2020	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	19193000	usd
CY2022	rdn	Share Based Payment Arrangement Expense Federal Income Tax Expense Benefit ShareBasedPaymentArrangementExpenseFederalIncomeTaxExpenseBenefit	-7524000	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
CY2022	rdn	Share Based Payment Arrangement Compensation Cost Excluding Amounts Deferred As Policy Acquisition Costs Net Of Income Taxes ShareBasedPaymentArrangementCompensationCostExcludingAmountsDeferredAsPolicyAcquisitionCostsNetOfIncomeTaxes	30537000	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
CY2021Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.001
CY2022	us-gaap	Defined Contribution Plan Maximum Annual Contributions Per Employee Percent DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent	1
CY2022	us-gaap	Defined Contribution Plan Maximum Annual Contributions Per Employee Amount DefinedContributionPlanMaximumAnnualContributionsPerEmployeeAmount	20500	usd
CY2022	rdn	Defined Contribution Plan Employee Discretionary Contribution Maximum Amount DefinedContributionPlanEmployeeDiscretionaryContributionMaximumAmount	6500	usd
CY2022	us-gaap	Defined Contribution Plan Employers Matching Contribution Annual Vesting Percentage DefinedContributionPlanEmployersMatchingContributionAnnualVestingPercentage	1
CY2022	us-gaap	Defined Contribution Plan Employer Matching Contribution Percent DefinedContributionPlanEmployerMatchingContributionPercent	0.060
CY2022	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	9700000	usd
CY2021	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	7800000	usd
CY2020	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	7800000	usd
CY2022Q4	us-gaap	Summary Of Investments Other Than Investments In Related Parties Cost SummaryOfInvestmentsOtherThanInvestmentsInRelatedPartiesCost	6407842000	usd
CY2022Q4	us-gaap	Summary Of Investments Other Than Investments In Related Parties Fair Value SummaryOfInvestmentsOtherThanInvestmentsInRelatedPartiesFairValue	5805630000	usd
CY2022Q4	us-gaap	Summary Of Investments Other Than Investments In Related Parties Carrying Amount SummaryOfInvestmentsOtherThanInvestmentsInRelatedPartiesCarryingAmount	5805630000	usd
CY2022Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.001
CY2022Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	485000000	shares
CY2021Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	485000000	shares
CY2022Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	176509000	shares
CY2022Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	157056000	shares
CY2021Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	194408000	shares
CY2021Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	175421000	shares
CY2022Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	19453000	shares
CY2021Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	18987000	shares
CY2022	us-gaap	Proceeds From Issuance Of Secured Debt ProceedsFromIssuanceOfSecuredDebt	60270000	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
CY2022	rdn	Total Operating Expenses Allocated To Subsidiaries From Parent Company TotalOperatingExpensesAllocatedToSubsidiariesFromParentCompany	163000000	usd
CY2021	rdn	Total Operating Expenses Allocated To Subsidiaries From Parent Company TotalOperatingExpensesAllocatedToSubsidiariesFromParentCompany	147386000	usd
CY2020	rdn	Total Operating Expenses Allocated To Subsidiaries From Parent Company TotalOperatingExpensesAllocatedToSubsidiariesFromParentCompany	129870000	usd
CY2022	rdn	Total Interest Expense Allocated To Subsidiaries From Parent Company TotalInterestExpenseAllocatedToSubsidiariesFromParentCompany	82568000	usd
CY2021	rdn	Total Interest Expense Allocated To Subsidiaries From Parent Company TotalInterestExpenseAllocatedToSubsidiariesFromParentCompany	82833000	usd
CY2020	rdn	Total Interest Expense Allocated To Subsidiaries From Parent Company TotalInterestExpenseAllocatedToSubsidiariesFromParentCompany	68938000	usd
CY2022	rdn	Statutory Accounting Practices Statutory Capital And Surplus Distributions StatutoryAccountingPracticesStatutoryCapitalAndSurplusDistributions	882000000	usd
CY2022	us-gaap	Direct Premiums Earned DirectPremiumsEarned	1050029000	usd
CY2022	us-gaap	Ceded Premiums Earned CededPremiumsEarned	72923000	usd
CY2022	us-gaap	Assumed Premiums Earned AssumedPremiumsEarned	4025000	usd
CY2022	us-gaap	Premiums Earned Net PremiumsEarnedNet	981131000	usd
CY2022	us-gaap	Premiums Percentage Assumed To Net PremiumsPercentageAssumedToNet	0.0041
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

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$RDN
RADIAN GROUP INC Stock $rdn

2023 Q1 Form 10-K Financial Statement

#000089092623000007 Filed on February 24, 2023

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$RDN RADIAN GROUP INC Stock $rdn

2023 Q1 Form 10-K Financial Statement

#000089092623000007 Filed on February 24, 2023

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$RDN
RADIAN GROUP INC Stock $rdn