$RDN
RADIAN GROUP INC Stock $rdn

$rdn Overview Financials Valuation SEC Filings Company Website

2021 Q4 Form 10-Q Financial Statement

#000089092621000102 Filed on November 05, 2021

Income Statement

Concept	2021 Q4	2021 Q3	2020 Q3
Revenue	$338.4M	$325.8M	$375.2M
YoY Change	787.75%	-13.19%	-1.34%
Cost Of Revenue		$17.31M	$24.35M
YoY Change		-28.94%	-16.15%
Gross Profit		$308.5M	$350.9M
YoY Change		-12.09%	-0.12%
Gross Profit Margin		94.69%	93.51%
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$863.0K	$7.924M	$10.17M
YoY Change	-88.33%	-22.05%	435.05%
% of Gross Profit		2.57%	2.9%
Operating Expenses	$71.51M	$164.1M	$214.0M
YoY Change	-55.99%	-23.32%	31.58%
Operating Profit		$144.3M	$136.9M
YoY Change		5.47%	-27.45%
Interest Expense	-$21.14M	$21.03M	$21.09M
YoY Change	-0.3%	-0.29%	56.3%
% of Operating Profit		14.57%	15.41%
Other Income/Expense, Net
YoY Change
Pretax Income	$246.5M	$161.6M	$161.2M
YoY Change	37.56%	0.27%	-25.94%
Income Tax	$53.06M	$35.23M	$26.10M
% Of Pretax Income	21.53%	21.79%	16.19%
Net Earnings	$193.4M	$126.4M	$135.1M
YoY Change	30.69%	-6.43%	-22.1%
Net Earnings / Revenue	57.17%	38.81%	36.0%
Basic Earnings Per Share		$0.68	$0.70
Diluted Earnings Per Share	$1.061M	$0.67	$0.70
COMMON SHARES
Basic Shares Outstanding	179.3M shares	186.7M shares	193.2M shares
Diluted Shares Outstanding		188.0M shares	194.2M shares

Balance Sheet

Concept	2021 Q4	2021 Q3	2020 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$151.1M	$154.7M	$82.02M
Short-Term Investments
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets	$124.0M	$166.7M	$145.2M
YoY Change	2.24%	14.83%	0.76%
LONG-TERM ASSETS
Property, Plant & Equipment	$75.09M	$74.17M	$27.17M
YoY Change	-6.68%	173.01%	-20.88%
Goodwill	$9.800M
YoY Change	0.0%
Intangibles
YoY Change
Long-Term Investments	$6.618B	$6.794B	$6.585B
YoY Change	-2.52%	3.17%	18.99%
Other Assets	$1.475M	$1.866M	$4.400M
YoY Change	-76.21%	-57.59%	51.72%
Total Long-Term Assets	$7.715B	$7.875B	$7.632B
YoY Change	-1.43%	3.18%	16.94%
TOTAL ASSETS
Total Short-Term Assets	$124.0M	$166.7M	$145.2M
Total Long-Term Assets	$7.715B	$7.875B	$7.632B
Total Assets	$7.839B	$8.042B	$7.777B
YoY Change	-1.37%	3.4%	16.59%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
Accrued Expenses	$53.52M	$54.30M	$55.30M
YoY Change	0.23%	-1.81%	-15.96%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$53.52M	$54.30M	$55.30M
YoY Change	0.23%	-1.81%	-15.96%
LONG-TERM LIABILITIES
Long-Term Debt	$1.560B	$1.581B	$1.546B
YoY Change	-1.37%	2.29%	55.97%
Other Long-Term Liabilities	$243.1M	$304.1M	$241.4M
YoY Change	1.92%	25.97%	-17.5%
Total Long-Term Liabilities	$1.804B	$1.885B	$1.787B
YoY Change	-0.94%	5.49%	39.22%
TOTAL LIABILITIES
Total Short-Term Liabilities	$53.52M	$54.30M	$55.30M
Total Long-Term Liabilities	$1.804B	$1.885B	$1.787B
Total Liabilities	$3.580B	$3.784B	$3.655B
YoY Change	-2.27%	3.52%	33.0%
SHAREHOLDERS EQUITY
Retained Earnings	$3.181B	$3.013B	$2.561B
YoY Change	18.49%	17.65%	14.89%
Common Stock	$194.0K	$200.0K	$2.239B
YoY Change	-7.62%	-99.99%	-9.32%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$920.8M	$920.4M	$909.7M
YoY Change	1.17%	1.17%	0.91%
Treasury Stock Shares	18.99M shares		18.51M shares
Shareholders Equity	$4.259B	$4.258B	$4.122B
YoY Change
Total Liabilities & Shareholders Equity	$7.839B	$8.042B	$7.777B
YoY Change	-1.37%	3.4%	16.59%

Cashflow Statement

Concept	2021 Q4	2021 Q3	2020 Q3
OPERATING ACTIVITIES
Net Income	$193.4M	$126.4M	$135.1M
YoY Change	30.69%	-6.43%	-22.1%
Depreciation, Depletion And Amortization	$863.0K	$7.924M	$10.17M
YoY Change	-88.33%	-22.05%	435.05%
Cash From Operating Activities	$153.8M	$127.4M	$193.5M
YoY Change	-3.63%	-34.16%	14.7%
INVESTING ACTIVITIES
Capital Expenditures	-$3.881M	-$3.727M	-$4.100M
YoY Change	68.74%	-9.1%	-25.45%
Acquisitions
YoY Change
Other Investing Activities	$36.00M	$46.14M	-$153.1M
YoY Change	-125.12%	-130.13%	1115.08%
Cash From Investing Activities	$32.12M	$42.41M	-$157.3M
YoY Change	-122.08%	-126.96%	769.06%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-189.9M	-151.1M	-34.40M
YoY Change	2821.31%	339.39%	-80.62%
NET CHANGE
Cash From Operating Activities	153.8M	127.4M	193.5M
Cash From Investing Activities	32.12M	42.41M	-157.3M
Cash From Financing Activities	-189.9M	-151.1M	-34.40M
Net Change In Cash	-3.955M	18.67M	1.800M
YoY Change	-152.04%	937.11%	-106.69%
FREE CASH FLOW
Cash From Operating Activities	$153.8M	$127.4M	$193.5M
Capital Expenditures	-$3.881M	-$3.727M	-$4.100M
Free Cash Flow	$157.7M	$131.1M	$197.6M
YoY Change	-2.6%	-33.64%	13.43%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
	dei	Security Exchange Name SecurityExchangeName	NYSE
	dei	Entity Central Index Key EntityCentralIndexKey	0000890926
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2021
	dei	Document Type DocumentType	10-Q
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
	dei	Amendment Flag AmendmentFlag	false
CY2021Q4	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	179333136	shares
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Period End Date DocumentPeriodEndDate	2021-09-30
	dei	Document Transition Report DocumentTransitionReport	false
	dei	Entity File Number EntityFileNumber	1-11356
	dei	Entity Registrant Name EntityRegistrantName	Radian Group Inc
	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	23-2691170
	dei	Entity Address Address Line1 EntityAddressAddressLine1	550 East Swedesford Road
	dei	Entity Address Address Line2 EntityAddressAddressLine2	Suite 350
	dei	Entity Address City Or Town EntityAddressCityOrTown	Wayne
	dei	Entity Address State Or Province EntityAddressStateOrProvince	PA
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	19087
	dei	City Area Code CityAreaCode	215
	dei	Local Phone Number LocalPhoneNumber	231-1000
	dei	Security12b Title Security12bTitle	Common Stock, $0.001 par value per share
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Trading Symbol TradingSymbol	RDN
	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
	dei	Entity Small Business EntitySmallBusiness	false
	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
	dei	Entity Shell Company EntityShellCompany	false
CY2021Q4	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	179333136	shares
CY2021Q3	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	0	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	948000	USD
CY2021Q3	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	5391584000	USD
CY2020Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	5393623000	USD
CY2021Q3	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	5580212000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	5723340000	USD
CY2021Q3	us-gaap	Trading Securities Debt Amortized Cost TradingSecuritiesDebtAmortizedCost	239709000	USD
CY2020Q4	us-gaap	Trading Securities Debt Amortized Cost TradingSecuritiesDebtAmortizedCost	260773000	USD
CY2021Q3	us-gaap	Trading Securities Debt TradingSecuritiesDebt	263363000	USD
CY2020Q4	us-gaap	Trading Securities Debt TradingSecuritiesDebt	290885000	USD
CY2021Q3	us-gaap	Equity Securities Fv Ni Cost EquitySecuritiesFvNiCost	188501000	USD
CY2020Q4	us-gaap	Equity Securities Fv Ni Cost EquitySecuritiesFvNiCost	145501000	USD
CY2021Q3	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	193498000	USD
CY2020Q4	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	151240000	USD
CY2021Q3	rdn	Reinvested Cash Collateral Held Under Securities Lending Agreements ReinvestedCashCollateralHeldUnderSecuritiesLendingAgreements	41661000	USD
CY2020Q4	rdn	Reinvested Cash Collateral Held Under Securities Lending Agreements ReinvestedCashCollateralHeldUnderSecuritiesLendingAgreements	15587000	USD
CY2021Q3	us-gaap	Other Short Term Investments OtherShortTermInvestments	617515000	USD
CY2020Q4	us-gaap	Other Short Term Investments OtherShortTermInvestments	618004000	USD
CY2021Q3	us-gaap	Other Investments OtherInvestments	3899000	USD
CY2020Q4	us-gaap	Other Investments OtherInvestments	4973000	USD
CY2021Q3	us-gaap	Investments Investments	6658487000	USD
CY2020Q4	us-gaap	Investments Investments	6788442000	USD
CY2021Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	154709000	USD
CY2020Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	87915000	USD
CY2021Q3	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	1866000	USD
CY2020Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	6231000	USD
CY2021Q3	rdn	Accrued Investment Income AccruedInvestmentIncome	33258000	USD
CY2020Q4	rdn	Accrued Investment Income AccruedInvestmentIncome	34047000	USD
CY2021Q3	us-gaap	Accounts Receivable Net AccountsReceivableNet	166730000	USD
CY2020Q4	us-gaap	Accounts Receivable Net AccountsReceivableNet	121294000	USD
CY2021Q3	rdn	Reinsurance Recoverables Paid Losses ReinsuranceRecoverablesPaidLosses	12000	USD
CY2020Q4	rdn	Reinsurance Recoverables Paid Losses ReinsuranceRecoverablesPaidLosses	32000	USD
CY2021Q3	us-gaap	Reinsurance Recoverables ReinsuranceRecoverables	76048000	USD
CY2020Q4	us-gaap	Reinsurance Recoverables ReinsuranceRecoverables	73202000	USD
CY2021Q3	us-gaap	Deferred Policy Acquisition Costs DeferredPolicyAcquisitionCosts	16823000	USD
CY2020Q4	us-gaap	Deferred Policy Acquisition Costs DeferredPolicyAcquisitionCosts	18305000	USD
CY2021Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	74170000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	80457000	USD
CY2021Q3	us-gaap	Intangible Assets Net Including Goodwill IntangibleAssetsNetIncludingGoodwill	20456000	USD
CY2020Q4	us-gaap	Intangible Assets Net Including Goodwill IntangibleAssetsNetIncludingGoodwill	23043000	USD
CY2021Q3	us-gaap	Other Assets OtherAssets	839061000	USD
CY2020Q4	us-gaap	Other Assets OtherAssets	715085000	USD
CY2021Q3	us-gaap	Assets Assets	8041608000	USD
CY2020Q4	us-gaap	Assets Assets	7948021000	USD
CY2021Q3	us-gaap	Unearned Premiums UnearnedPremiums	348322000	USD
CY2020Q4	us-gaap	Unearned Premiums UnearnedPremiums	448791000	USD
CY2021Q3	us-gaap	Liability For Claims And Claims Adjustment Expense LiabilityForClaimsAndClaimsAdjustmentExpense	893155000	USD
CY2020Q4	us-gaap	Liability For Claims And Claims Adjustment Expense LiabilityForClaimsAndClaimsAdjustmentExpense	848413000	USD
CY2021Q3	us-gaap	Senior Notes SeniorNotes	1408502000	USD
CY2020Q4	us-gaap	Senior Notes SeniorNotes	1405674000	USD
CY2021Q3	us-gaap	Advances From Federal Home Loan Banks AdvancesFromFederalHomeLoanBanks	172649000	USD
CY2020Q4	us-gaap	Advances From Federal Home Loan Banks AdvancesFromFederalHomeLoanBanks	176483000	USD
CY2021Q3	us-gaap	Funds Held Under Reinsurance Agreements Liability FundsHeldUnderReinsuranceAgreementsLiability	290502000	USD
CY2020Q4	us-gaap	Funds Held Under Reinsurance Agreements Liability FundsHeldUnderReinsuranceAgreementsLiability	278555000	USD
CY2021Q3	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	286957000	USD
CY2020Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	213897000	USD
CY2021Q3	us-gaap	Other Liabilities OtherLiabilities	383585000	USD
CY2020Q4	us-gaap	Other Liabilities OtherLiabilities	291855000	USD
CY2021Q3	us-gaap	Common Stock Value CommonStockValue	200000	USD
CY2021Q3	us-gaap	Liabilities Liabilities	3783672000	USD
CY2020Q4	us-gaap	Liabilities Liabilities	3663668000	USD
CY2020Q4	us-gaap	Common Stock Value CommonStockValue	210000	USD
CY2021Q3	us-gaap	Treasury Stock Value TreasuryStockValue	920355000	USD
CY2020Q4	us-gaap	Treasury Stock Value TreasuryStockValue	910115000	USD
CY2021Q3	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	2012870000	USD
CY2020Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	2245897000	USD
CY2021Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	3012997000	USD
CY2020Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	2684636000	USD
CY2021Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	152224000	USD
CY2020Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	263725000	USD
CY2021Q3	us-gaap	Stockholders Equity StockholdersEquity	4257936000	USD
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	4284353000	USD
CY2021Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	8041608000	USD
CY2020Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	7948021000	USD
CY2021Q3	us-gaap	Premiums Earned Net PremiumsEarnedNet	249118000	USD
CY2020Q3	us-gaap	Premiums Earned Net PremiumsEarnedNet	286471000	USD
	us-gaap	Premiums Earned Net PremiumsEarnedNet	775746000	USD
	us-gaap	Premiums Earned Net PremiumsEarnedNet	813181000	USD
CY2021Q3	rdn	Services Revenue Net ServicesRevenueNet	37773000	USD
CY2020Q3	rdn	Services Revenue Net ServicesRevenueNet	33943000	USD
	rdn	Services Revenue Net ServicesRevenueNet	90132000	USD
	rdn	Services Revenue Net ServicesRevenueNet	93945000	USD
CY2021Q3	us-gaap	Net Investment Income NetInvestmentIncome	35960000	USD
CY2020Q3	us-gaap	Net Investment Income NetInvestmentIncome	36255000	USD
	us-gaap	Net Investment Income NetInvestmentIncome	110502000	USD
	us-gaap	Net Investment Income NetInvestmentIncome	115922000	USD
CY2021Q3	rdn	Net Gains Losseson Investmentsand Other Financial Instruments NetGainsLossesonInvestmentsandOtherFinancialInstruments	2098000	USD
CY2020Q3	rdn	Net Gains Losseson Investmentsand Other Financial Instruments NetGainsLossesonInvestmentsandOtherFinancialInstruments	17652000	USD
	rdn	Net Gains Losseson Investmentsand Other Financial Instruments NetGainsLossesonInvestmentsandOtherFinancialInstruments	12578000	USD
	rdn	Net Gains Losseson Investmentsand Other Financial Instruments NetGainsLossesonInvestmentsandOtherFinancialInstruments	42901000	USD
CY2021Q3	us-gaap	Other Income OtherIncome	809000	USD
CY2020Q3	us-gaap	Other Income OtherIncome	913000	USD
	us-gaap	Other Income OtherIncome	2607000	USD
	us-gaap	Other Income OtherIncome	2807000	USD
CY2021Q3	us-gaap	Revenues Revenues	325758000	USD
CY2020Q3	us-gaap	Revenues Revenues	375234000	USD
	us-gaap	Revenues Revenues	991565000	USD
	us-gaap	Revenues Revenues	1068756000	USD
CY2021Q3	us-gaap	Policyholder Benefits And Claims Incurred Net PolicyholderBenefitsAndClaimsIncurredNet	17305000	USD
CY2020Q3	us-gaap	Policyholder Benefits And Claims Incurred Net PolicyholderBenefitsAndClaimsIncurredNet	88084000	USD
	us-gaap	Policyholder Benefits And Claims Incurred Net PolicyholderBenefitsAndClaimsIncurredNet	67096000	USD
	us-gaap	Policyholder Benefits And Claims Incurred Net PolicyholderBenefitsAndClaimsIncurredNet	428453000	USD
CY2021Q3	us-gaap	Deferred Policy Acquisition Cost Amortization Expense DeferredPolicyAcquisitionCostAmortizationExpense	7924000	USD
CY2020Q3	us-gaap	Deferred Policy Acquisition Cost Amortization Expense DeferredPolicyAcquisitionCostAmortizationExpense	10166000	USD
	us-gaap	Deferred Policy Acquisition Cost Amortization Expense DeferredPolicyAcquisitionCostAmortizationExpense	21758000	USD
	us-gaap	Deferred Policy Acquisition Cost Amortization Expense DeferredPolicyAcquisitionCostAmortizationExpense	23594000	USD
CY2021Q3	rdn	Cost Of Services Title Insurance CostOfServicesTitleInsurance	30520000	USD
CY2020Q3	rdn	Cost Of Services Title Insurance CostOfServicesTitleInsurance	24353000	USD
	rdn	Cost Of Services Title Insurance CostOfServicesTitleInsurance	75381000	USD
	rdn	Cost Of Services Title Insurance CostOfServicesTitleInsurance	64466000	USD
CY2021Q3	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	86479000	USD
CY2020Q3	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	69377000	USD
	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	243210000	USD
	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	199069000	USD
CY2021Q3	us-gaap	Interest Expense InterestExpense	21027000	USD
CY2020Q3	us-gaap	Interest Expense InterestExpense	21088000	USD
	us-gaap	Interest Expense InterestExpense	63207000	USD
	us-gaap	Interest Expense InterestExpense	49981000	USD
CY2021Q3	rdn	Increase Decreasein Goodwilland Intangible Assets IncreaseDecreaseinGoodwillandIntangibleAssets	862000	USD
CY2020Q3	rdn	Increase Decreasein Goodwilland Intangible Assets IncreaseDecreaseinGoodwillandIntangibleAssets	961000	USD
	rdn	Increase Decreasein Goodwilland Intangible Assets IncreaseDecreaseinGoodwillandIntangibleAssets	2587000	USD
	rdn	Increase Decreasein Goodwilland Intangible Assets IncreaseDecreaseinGoodwillandIntangibleAssets	2919000	USD
CY2021Q3	us-gaap	Operating Expenses OperatingExpenses	164117000	USD
CY2020Q3	us-gaap	Operating Expenses OperatingExpenses	214029000	USD
	us-gaap	Operating Expenses OperatingExpenses	473239000	USD
	us-gaap	Operating Expenses OperatingExpenses	768482000	USD
CY2021Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	161641000	USD
CY2020Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	161205000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	518326000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	300274000	USD
CY2021Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	35229000	USD
CY2020Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	26102000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	111100000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	54661000	USD
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	126412000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	135103000	USD
	us-gaap	Net Income Loss NetIncomeLoss	407226000	USD
	us-gaap	Net Income Loss NetIncomeLoss	245613000	USD
CY2021Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.68
CY2020Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.70
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.13
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.25
CY2021Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.67
CY2020Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.70
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.11
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.25
CY2021Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	186741000	shares
CY2020Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	193176000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	191357000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	196120000	shares
CY2021Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	188042000	shares
CY2020Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	194156000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	192902000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	197247000	shares
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	126412000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	135103000	USD
	us-gaap	Net Income Loss NetIncomeLoss	407226000	USD
	us-gaap	Net Income Loss NetIncomeLoss	245613000	USD
CY2021Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-23394000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	30839000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-106286000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	143602000	USD
CY2021Q3	rdn	Other Comprehensive Income Loss Reclassification Adjustment For Non Credit Related Impairments Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentForNonCreditRelatedImpairmentsNetOfTax	3238000	USD
CY2020Q3	rdn	Other Comprehensive Income Loss Reclassification Adjustment For Non Credit Related Impairments Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentForNonCreditRelatedImpairmentsNetOfTax	10884000	USD
	rdn	Other Comprehensive Income Loss Reclassification Adjustment For Non Credit Related Impairments Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentForNonCreditRelatedImpairmentsNetOfTax	4490000	USD
	rdn	Other Comprehensive Income Loss Reclassification Adjustment For Non Credit Related Impairments Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentForNonCreditRelatedImpairmentsNetOfTax	24172000	USD
CY2021Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	0	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	147000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	725000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	-2051000	USD
CY2021Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-26632000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	19808000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-111501000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	121481000	USD
CY2021Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	99780000	USD
CY2020Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	154911000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	295725000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	367094000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	403304000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	498756000	USD
	us-gaap	Proceeds From Sale And Maturity Of Available For Sale Securities ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities	536387000	USD
	us-gaap	Proceeds From Sale And Maturity Of Available For Sale Securities ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities	894998000	USD
	us-gaap	Proceeds From Sale Of Trading Securities Heldforinvestment ProceedsFromSaleOfTradingSecuritiesHeldforinvestment	7952000	USD
	us-gaap	Proceeds From Sale Of Trading Securities Heldforinvestment ProceedsFromSaleOfTradingSecuritiesHeldforinvestment	11602000	USD
	us-gaap	Proceeds From Sale Of Equity Securities Fv Ni ProceedsFromSaleOfEquitySecuritiesFvNi	29289000	USD
	us-gaap	Proceeds From Sale Of Equity Securities Fv Ni ProceedsFromSaleOfEquitySecuritiesFvNi	77445000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	917027000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	443723000	USD
	us-gaap	Proceeds From Maturities Repayments And Calls Of Trading Securities Heldforinvestment ProceedsFromMaturitiesRepaymentsAndCallsOfTradingSecuritiesHeldforinvestment	11703000	USD
	us-gaap	Proceeds From Maturities Repayments And Calls Of Trading Securities Heldforinvestment ProceedsFromMaturitiesRepaymentsAndCallsOfTradingSecuritiesHeldforinvestment	22112000	USD
	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	1413445000	USD
	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	2099281000	USD
	us-gaap	Payments To Acquire Equity Securities Fv Ni PaymentsToAcquireEquitySecuritiesFvNi	102956000	USD
	us-gaap	Payments To Acquire Equity Securities Fv Ni PaymentsToAcquireEquitySecuritiesFvNi	69206000	USD
	us-gaap	Payments For Proceeds From Short Term Investments PaymentsForProceedsFromShortTermInvestments	17474000	USD
	us-gaap	Payments For Proceeds From Short Term Investments PaymentsForProceedsFromShortTermInvestments	21797000	USD
	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-6253000	USD
	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-989000	USD
	us-gaap	Proceeds From Divestiture Of Businesses And Interests In Affiliates ProceedsFromDivestitureOfBusinessesAndInterestsInAffiliates	0	USD
	us-gaap	Proceeds From Divestiture Of Businesses And Interests In Affiliates ProceedsFromDivestitureOfBusinessesAndInterestsInAffiliates	16481000	USD
	us-gaap	Payments For Proceeds From Productive Assets PaymentsForProceedsFromProductiveAssets	8720000	USD
	us-gaap	Payments For Proceeds From Productive Assets PaymentsForProceedsFromProductiveAssets	14723000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-33984000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-737657000	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	78165000	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	73365000	USD
	us-gaap	Proceeds From Debt Net Of Issuance Costs ProceedsFromDebtNetOfIssuanceCosts	0	USD
	us-gaap	Proceeds From Debt Net Of Issuance Costs ProceedsFromDebtNetOfIssuanceCosts	515567000	USD
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	1225000	USD
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	1505000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	251482000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	226305000	USD
	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-710000	USD
	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-1993000	USD
	us-gaap	Increase Decrease In Securities Lending Payable IncreaseDecreaseInSecuritiesLendingPayable	38241000	USD
	us-gaap	Increase Decrease In Securities Lending Payable IncreaseDecreaseInSecuritiesLendingPayable	-19191000	USD
	us-gaap	Proceeds From Short Term Debt Maturing In More Than Three Months ProceedsFromShortTermDebtMaturingInMoreThanThreeMonths	32000000	USD
	us-gaap	Proceeds From Short Term Debt Maturing In More Than Three Months ProceedsFromShortTermDebtMaturingInMoreThanThreeMonths	138909000	USD
	us-gaap	Repayments Of Short Term Debt Maturing In More Than Three Months RepaymentsOfShortTermDebtMaturingInMoreThanThreeMonths	48000000	USD
	us-gaap	Repayments Of Short Term Debt Maturing In More Than Three Months RepaymentsOfShortTermDebtMaturingInMoreThanThreeMonths	105977000	USD
	us-gaap	Repayments Of Other Debt RepaymentsOfOtherDebt	0	USD
	us-gaap	Repayments Of Other Debt RepaymentsOfOtherDebt	79000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-306891000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	229071000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	62429000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-9830000	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
CY2021Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	156575000	USD
CY2020Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	86444000	USD
	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	2	segment
	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	Certain prior period amounts have been reclassified to conform to current period presentation, including: (i) certain balance sheet line items now reported in other assets and (ii) certain segment reporting balances due to changes in the composition of our segments during 2020.
	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 condensed consolidated financial statements include our best estimates and assumptions, actual results may vary materially.</span></div>
CY2021Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	126412000	USD
CY2021Q3	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	126412000	USD
CY2020Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	135103000	USD
CY2020Q3	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	135103000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	407226000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	407226000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	245613000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	245613000	USD
CY2021Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	186741000	shares
CY2020Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	193176000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	191357000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	196120000	shares
CY2021Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1301000	shares
CY2020Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	980000	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1545000	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1127000	shares
CY2021Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	188042000	shares
CY2020Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	194156000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	192902000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	197247000	shares
CY2021Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.68
CY2020Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.70
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.13
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.25
CY2021Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.67
CY2020Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.70
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.11
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.25
	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	2	segment
CY2021Q3	rdn	Operating Income Loss Pre Tax Non Gaap OperatingIncomeLossPreTaxNonGAAP	157567000	USD
CY2020Q3	rdn	Operating Income Loss Pre Tax Non Gaap OperatingIncomeLossPreTaxNonGAAP	142290000	USD
	rdn	Operating Income Loss Pre Tax Non Gaap OperatingIncomeLossPreTaxNonGAAP	503665000	USD
	rdn	Operating Income Loss Pre Tax Non Gaap OperatingIncomeLossPreTaxNonGAAP	255074000	USD
CY2021Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	161641000	USD
CY2020Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	161205000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	518326000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	300274000	USD
CY2021Q3	rdn	Net Gains Losseson Investmentsand Other Financial Instruments NetGainsLossesonInvestmentsandOtherFinancialInstruments	2098000	USD
CY2020Q3	rdn	Net Gains Losseson Investmentsand Other Financial Instruments NetGainsLossesonInvestmentsandOtherFinancialInstruments	17652000	USD
	rdn	Net Gains Losseson Investmentsand Other Financial Instruments NetGainsLossesonInvestmentsandOtherFinancialInstruments	12578000	USD
	rdn	Net Gains Losseson Investmentsand Other Financial Instruments NetGainsLossesonInvestmentsandOtherFinancialInstruments	42901000	USD
CY2021Q3	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	0	USD
CY2020Q3	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	0	USD
	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	0	USD
	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	247000	USD
CY2021Q3	us-gaap	Revenues Revenues	325758000	USD
CY2020Q3	us-gaap	Revenues Revenues	375234000	USD
	us-gaap	Revenues Revenues	991565000	USD
	us-gaap	Revenues Revenues	1068756000	USD
CY2021Q3	rdn	Services Revenue Net ServicesRevenueNet	37773000	USD
CY2020Q3	rdn	Services Revenue Net ServicesRevenueNet	33943000	USD
	rdn	Services Revenue Net ServicesRevenueNet	90132000	USD
	rdn	Services Revenue Net ServicesRevenueNet	93945000	USD
CY2021Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Number Of Positions DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsNumberOfPositions	411	security
CY2021Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	1644089000	USD
CY2021Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	23471000	USD
CY2021Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Number Of Positions DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerNumberOfPositions	65	security
CY2021Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	184506000	USD
CY2021Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	10551000	USD
CY2021Q3	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Number Of Positions DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions	476	security
CY2021Q3	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	1828595000	USD
CY2021Q3	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	34022000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Number Of Positions DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsNumberOfPositions	194	security
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	679631000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	12101000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Number Of Positions DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerNumberOfPositions	36	security
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	158852000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	2056000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Number Of Positions DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions	230	security
CY2020Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	838483000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	14157000	USD
CY2021Q3	rdn	Realized Gains Losseson Investments Net RealizedGainsLossesonInvestmentsNet	14246000	USD
CY2020Q3	rdn	Realized Gains Losseson Investments Net RealizedGainsLossesonInvestmentsNet	13973000	USD
	rdn	Realized Gains Losseson Investments Net RealizedGainsLossesonInvestmentsNet	18330000	USD
	rdn	Realized Gains Losseson Investments Net RealizedGainsLossesonInvestmentsNet	32636000	USD
CY2021Q3	rdn	Other Than Temporary Impairment Losses Investments Due To Intent To Sell OtherThanTemporaryImpairmentLossesInvestmentsDueToIntentToSell	0	USD
CY2020Q3	rdn	Other Than Temporary Impairment Losses Investments Due To Intent To Sell OtherThanTemporaryImpairmentLossesInvestmentsDueToIntentToSell	0	USD
	rdn	Other Than Temporary Impairment Losses Investments Due To Intent To Sell OtherThanTemporaryImpairmentLossesInvestmentsDueToIntentToSell	0	USD
	rdn	Other Than Temporary Impairment Losses Investments Due To Intent To Sell OtherThanTemporaryImpairmentLossesInvestmentsDueToIntentToSell	1401000	USD
CY2021Q3	rdn	Other Than Temporary Impairment Losses Investments Expected Credit Losses OtherThanTemporaryImpairmentLossesInvestmentsExpectedCreditLosses	0	USD
CY2020Q3	rdn	Other Than Temporary Impairment Losses Investments Expected Credit Losses OtherThanTemporaryImpairmentLossesInvestmentsExpectedCreditLosses	-186000	USD
	rdn	Other Than Temporary Impairment Losses Investments Expected Credit Losses OtherThanTemporaryImpairmentLossesInvestmentsExpectedCreditLosses	-918000	USD
	rdn	Other Than Temporary Impairment Losses Investments Expected Credit Losses OtherThanTemporaryImpairmentLossesInvestmentsExpectedCreditLosses	2596000	USD
CY2021Q3	rdn	Net Unrealized Gains Losses On Investments NetUnrealizedGainsLossesOnInvestments	-11342000	USD
CY2020Q3	rdn	Net Unrealized Gains Losses On Investments NetUnrealizedGainsLossesOnInvestments	2813000	USD
	rdn	Net Unrealized Gains Losses On Investments NetUnrealizedGainsLossesOnInvestments	-5825000	USD
	rdn	Net Unrealized Gains Losses On Investments NetUnrealizedGainsLossesOnInvestments	916000	USD
CY2021Q3	us-gaap	Gain Loss On Investments GainLossOnInvestments	2904000	USD
CY2020Q3	us-gaap	Gain Loss On Investments GainLossOnInvestments	16972000	USD
	us-gaap	Gain Loss On Investments GainLossOnInvestments	13423000	USD
	us-gaap	Gain Loss On Investments GainLossOnInvestments	29555000	USD
CY2021Q3	rdn	Changein Unrealized Holding Gain Loss ChangeinUnrealizedHoldingGainLoss	-3758000	USD
CY2020Q3	rdn	Changein Unrealized Holding Gain Loss ChangeinUnrealizedHoldingGainLoss	3132000	USD
	rdn	Changein Unrealized Holding Gain Loss ChangeinUnrealizedHoldingGainLoss	1290000	USD
	rdn	Changein Unrealized Holding Gain Loss ChangeinUnrealizedHoldingGainLoss	1984000	USD
CY2021Q3	us-gaap	Direct Premiums Written DirectPremiumsWritten	253239000	USD
CY2020Q3	us-gaap	Direct Premiums Written DirectPremiumsWritten	269240000	USD
	us-gaap	Direct Premiums Written DirectPremiumsWritten	762707000	USD
	us-gaap	Direct Premiums Written DirectPremiumsWritten	820267000	USD
CY2021Q3	us-gaap	Direct Premiums Earned DirectPremiumsEarned	277948000	USD
CY2020Q3	us-gaap	Direct Premiums Earned DirectPremiumsEarned	328729000	USD
	us-gaap	Direct Premiums Earned DirectPremiumsEarned	863176000	USD
	us-gaap	Direct Premiums Earned DirectPremiumsEarned	945288000	USD
CY2021Q3	us-gaap	Ceded Premiums Written CededPremiumsWritten	14555000	USD
CY2020Q3	us-gaap	Ceded Premiums Written CededPremiumsWritten	9789000	USD
	us-gaap	Ceded Premiums Written CededPremiumsWritten	35157000	USD
	us-gaap	Ceded Premiums Written CededPremiumsWritten	72912000	USD
CY2021Q3	us-gaap	Ceded Premiums Earned CededPremiumsEarned	30513000	USD
CY2020Q3	us-gaap	Ceded Premiums Earned CededPremiumsEarned	45204000	USD
	us-gaap	Ceded Premiums Earned CededPremiumsEarned	93026000	USD
	us-gaap	Ceded Premiums Earned CededPremiumsEarned	141706000	USD
CY2021Q3	us-gaap	Premiums Written Net PremiumsWrittenNet	240367000	USD
CY2020Q3	us-gaap	Premiums Written Net PremiumsWrittenNet	262393000	USD
	us-gaap	Premiums Written Net PremiumsWrittenNet	733146000	USD
	us-gaap	Premiums Written Net PremiumsWrittenNet	756940000	USD
CY2021Q3	us-gaap	Premiums Earned Net PremiumsEarnedNet	249118000	USD
CY2020Q3	us-gaap	Premiums Earned Net PremiumsEarnedNet	286471000	USD
	us-gaap	Premiums Earned Net PremiumsEarnedNet	775746000	USD
	us-gaap	Premiums Earned Net PremiumsEarnedNet	813181000	USD
CY2021Q3	rdn	Ceding Commissions Earned CedingCommissionsEarned	7120000	USD
CY2020Q3	rdn	Ceding Commissions Earned CedingCommissionsEarned	17038000	USD
	rdn	Ceding Commissions Earned CedingCommissionsEarned	25446000	USD
	rdn	Ceding Commissions Earned CedingCommissionsEarned	40457000	USD
CY2021Q3	us-gaap	Reinsurance Effect On Claims And Benefits Incurred Amount Ceded ReinsuranceEffectOnClaimsAndBenefitsIncurredAmountCeded	795000	USD
CY2020Q3	us-gaap	Reinsurance Effect On Claims And Benefits Incurred Amount Ceded ReinsuranceEffectOnClaimsAndBenefitsIncurredAmountCeded	10189000	USD
	us-gaap	Reinsurance Effect On Claims And Benefits Incurred Amount Ceded ReinsuranceEffectOnClaimsAndBenefitsIncurredAmountCeded	3463000	USD
	us-gaap	Reinsurance Effect On Claims And Benefits Incurred Amount Ceded ReinsuranceEffectOnClaimsAndBenefitsIncurredAmountCeded	51786000	USD
CY2021Q3	rdn	Unearned Ceding Commissions UnearnedCedingCommissions	40700000	USD
CY2020Q4	rdn	Unearned Ceding Commissions UnearnedCedingCommissions	52500000	USD
CY2021Q3	us-gaap	Prepaid Taxes PrepaidTaxes	313123000	USD
CY2020Q4	us-gaap	Prepaid Taxes PrepaidTaxes	210889000	USD
CY2021Q3	us-gaap	Prepaid Reinsurance Premiums PrepaidReinsurancePremiums	209769000	USD
CY2020Q4	us-gaap	Prepaid Reinsurance Premiums PrepaidReinsurancePremiums	267638000	USD
CY2021Q3	us-gaap	Securities Loaned Asset SecuritiesLoanedAsset	135058000	USD
CY2020Q4	us-gaap	Securities Loaned Asset SecuritiesLoanedAsset	57499000	USD
CY2021Q3	us-gaap	Life Insurance Corporate Or Bank Owned Amount LifeInsuranceCorporateOrBankOwnedAmount	112503000	USD
CY2020Q4	us-gaap	Life Insurance Corporate Or Bank Owned Amount LifeInsuranceCorporateOrBankOwnedAmount	115586000	USD
CY2021Q3	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	32690000	USD
CY2020Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	32985000	USD
CY2021Q3	us-gaap	Other Assets Miscellaneous OtherAssetsMiscellaneous	35918000	USD
CY2020Q4	us-gaap	Other Assets Miscellaneous OtherAssetsMiscellaneous	30488000	USD
CY2021Q3	us-gaap	Other Assets OtherAssets	839061000	USD
CY2020Q4	us-gaap	Other Assets OtherAssets	715085000	USD
CY2021Q2	us-gaap	Impairment Of Leasehold ImpairmentOfLeasehold	3500000	USD
	us-gaap	Schedule Of Liability For Unpaid Claims And Claims Adjustment Expense ScheduleOfLiabilityForUnpaidClaimsAndClaimsAdjustmentExpense	the following table presents information relating to our mortgage insurance reserve for losses, including our IBNR reserve and LAE, but excluding our second-lien mortgage loan premium deficiency reserve.<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:67.054%"/><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:13.780%"/><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:13.784%"/><td style="width:0.1%"/></tr><tr><td colspan="15" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div><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></div></td></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"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="9" 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%">Nine Months Ended<br/>September 30,</span></td></tr><tr><td colspan="3" style="border-top:1pt solid #ffffff;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="border-top:1pt solid #ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#e6f8f8;border-top:1pt solid #ffffff;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="border-top:1pt solid #ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#f4f4f4;border-top:1pt solid #ffffff;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 period</span></td><td colspan="3" style="border-top:1pt solid #c7c9c7;padding:0 1pt"/><td style="border-top:1pt solid #c7c9c7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">$</span></td><td style="border-top:1pt solid #c7c9c7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">844,107 </span></td><td style="border-top:1pt solid #c7c9c7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="border-top:1pt solid #c7c9c7;padding:0 1pt"/><td style="border-top:1pt solid #c7c9c7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">$</span></td><td style="border-top:1pt solid #c7c9c7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">401,273 </span></td><td style="border-top:1pt solid #c7c9c7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="border-top:1pt solid #e9e9e9;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Less: Reinsurance recoverables </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:120%;position:relative;top:-3.15pt;vertical-align:baseline">(1) </span></div></td><td colspan="3" style="padding:0 1pt"/><td colspan="2" style="border-top:1pt solid #e9e9e9;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">71,769 </span></td><td style="border-top:1pt solid #e9e9e9;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="padding:0 1pt"/><td colspan="2" style="border-top:1pt solid #e9e9e9;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">14,594 </span></td><td style="border-top:1pt solid #e9e9e9;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#f4f4f4;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 period, net of reinsurance recoverables</span></td><td colspan="3" style="background-color:#f4f4f4;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;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="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="padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #c7c9c7;padding:0 1pt"/><td colspan="3" style="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%">119,823 </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%">448,584 </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%">(53,947)</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%">(21,494)</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;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;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%">65,876 </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;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%">427,090 </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="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="padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #c7c9c7;padding:0 1pt"/><td colspan="3" style="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%">2,841 </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%">24,431 </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%">54,167 </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;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;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%">24,930 </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;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%">57,008 </span></td><td style="background-color:#f4f4f4;border-top:1pt solid #c7c9c7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#f4f4f4;border-top:1pt solid #ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Balance at end of period, net of reinsurance recoverables</span></td><td colspan="3" style="background-color:#f4f4f4;border-top:1pt solid #ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#f4f4f4;border-top:1pt solid #c7c9c7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">813,284 </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%">756,761 </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="padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Add: Reinsurance recoverables </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:120%;position:relative;top:-3.15pt;vertical-align:baseline">(1) </span></div></td><td colspan="3" style="padding:0 1pt"/><td colspan="2" style="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%">74,737 </span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="padding:0 1pt"/><td colspan="2" style="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%">64,947 </span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#f4f4f4;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</span></td><td colspan="3" style="background-color:#f4f4f4;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%">888,021 </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;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%">821,708 </span></td><td style="background-color:#f4f4f4;border-bottom:3pt double #c7c9c7;border-top:1pt solid #c7c9c7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#64615d;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(1)</span><span style="color:#64615d;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%;padding-left:8.24pt">Related to ceded losses recoverable, if any, on reinsurance transactions. See Note 8 for additional information.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#64615d;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(2)</span><span style="color:#64615d;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%;padding-left:8.24pt">Related to 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.</span></div>
CY2021Q3	us-gaap	Liability For Claims And Claims Adjustment Expense LiabilityForClaimsAndClaimsAdjustmentExpense	893155000	USD
CY2020Q4	us-gaap	Liability For Claims And Claims Adjustment Expense LiabilityForClaimsAndClaimsAdjustmentExpense	848413000	USD
	us-gaap	Federal Home Loan Bank Advances Maturity Period Fixed Rate FederalHomeLoanBankAdvancesMaturityPeriodFixedRate	P90D
	us-gaap	Federal Home Loan Bank Advances Maturity Period Fixed Rate FederalHomeLoanBankAdvancesMaturityPeriodFixedRate	P90D
CY2020Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.125
CY2020Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.125
CY2020Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.125
CY2021Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.125
CY2020Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.125
CY2020Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.125
CY2020Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.125
CY2020Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.125
CY2021Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.125
CY2020Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.125
CY2021Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.14
CY2021Q3	rdn	Risk To Capital Ratio Regulatory Maximum RiskToCapitalRatioRegulatoryMaximum	25

Files In Submission

Name	View Source	Status
0000890926-21-000102-index-headers.html	Edgar Link	pending
0000890926-21-000102-index.html	Edgar Link	pending
0000890926-21-000102.txt	Edgar Link	pending
0000890926-21-000102-xbrl.zip	Edgar Link	pending
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rdn-ex31_20210930.htm	Edgar Link	pending
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$RDN
RADIAN GROUP INC Stock $rdn

2021 Q4 Form 10-Q Financial Statement

#000089092621000102 Filed on November 05, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$RDN RADIAN GROUP INC Stock $rdn

2021 Q4 Form 10-Q Financial Statement

#000089092621000102 Filed on November 05, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$RDN
RADIAN GROUP INC Stock $rdn