Statutory Information - Narrative (Details) $ in Millions |
1 Months Ended | 6 Months Ended |
|---|---|---|
|
Apr. 30, 2026
USD ($)
|
Jun. 30, 2026
jurisdiction
|
|
| Statutory capital requirements [Abstract] | ||
| Number of jurisdictions with risk-to-capital requirements (in jurisdictions) | jurisdiction | 16 | |
| Mortgage Guaranty Insurance Corporation | ||
| Statutory capital requirements [Abstract] | ||
| Percentage of statutory policyholders surplus used to determine maximum allowable dividends (as a percent) | 10.00% | |
| Adjusted statutory net income measurement period (in years) | 3 years | |
| Adjusted statutory net income dividend payment measurement period (in years) | 2 years | |
| Dividend paid to MGIC Investment Corp | $ | $ 400 |