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v3.23.3

Borrowings and Financing Activities - Narrative (Details) | 9 Months Ended |  |  |
--- | --- | --- | --- | ---
Sep. 30, 2023 USD ($) | Jul. 31, 2023 USD ($) | Apr. 30, 2023 USD ($) | Dec. 31, 2022 USD ($)
Debt Instrument [Line Items] |  |  |  |
Collateral | $ 5,885,652,000 |  |  | $ 5,693,491,000
Radian Mortgage Capital |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Minimum net worth for debt covenants | 3,000,000 |  |  |
Mortgages | BMO Master Repurchase Agreement |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Maximum borrowing capacity |  |  | $ 150,000,000 | 300,000,000
Outstanding borrowings | 118,000,000 |  |  |
Mortgages | Goldman Sachs Master Repurchase Agreement |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Long-term debt |  | $ 100,000,000 |  | 300,000,000
Outstanding borrowings | 4,000,000 |  |  |
Revolving Credit Facility |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Current borrowing capacity | 275,000,000 |  |  |
Fair value of amount outstanding | $ 0 |  |  |
Minimum | FHLB advances |  |  |  |
Debt Instrument [Line Items] |  |  |  |
FHLB, ratio of market value of collateral to advances | 1.03 |  |  |
Maximum | FHLB advances |  |  |  |
Debt Instrument [Line Items] |  |  |  |
FHLB, ratio of market value of collateral to advances | 1.14 |  |  |
Fixed maturities AFS and trading securities | Debt securities |  |  |  |
Debt Instrument [Line Items] |  |  |  |
FHLB, collateral pledged | $ 127,000,000 |  |  | 164,000,000
Mortgage loans held for sale | Asset Pledged as Collateral |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Collateral | $ 128,000,000 |  |  | $ 2,000,000

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