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Schedule IV - Reinsurance, Insurance Premiums Earned (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items] |  |  |
Gross Amount | $ 1,061,420 | $ 1,040,406 | $ 1,050,029
Ceded to Other Companies | 110,137 | 120,828 | 72,923
Assumed from Other Companies | 0 | 0 | 4,025
Total net premiums earned | $ 951,283 | $ 919,578 | $ 981,131
Assumed Premiums as a Percentage of Net Premiums | 0.00% | 0.00% | 0.41%
Mortgage Insurance |  |  |
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items] |  |  |
Gross Amount | $ 1,049,014 | $ 1,029,941 | $ 1,025,607
Ceded to Other Companies | 109,777 | 120,578 | 72,419
Assumed from Other Companies | 0 | 0 | 4,025
Total net premiums earned | $ 939,237 | $ 909,363 | $ 957,213
Assumed Premiums as a Percentage of Net Premiums | 0.00% | 0.00% | 0.42%
Title Insurance |  |  |
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items] |  |  |
Gross Amount | $ 12,406 | $ 10,465 | $ 24,422
Ceded to Other Companies | 360 | 250 | 504
Assumed from Other Companies | 0 | 0 | 0
Total net premiums earned | $ 12,046 | $ 10,215 | $ 23,918
Assumed Premiums as a Percentage of Net Premiums | 0.00% | 0.00% | 0.00%

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