Segment Reporting (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Segment Reporting Information [Line Items]
Total other underwriting and operating expenses net	$ 47,780	$ 50,967	$ 149,540	$ 162,660
Mortgage Insurance Segment
Segment Reporting Information [Line Items]
Employee costs	36,408	38,908	109,719	121,111
Outside services	8,784	8,133	25,308	25,576
Premium taxes	5,318	5,266	15,965	15,864
Depreciation expense	668	903	2,552	3,187
All other underwriting and operating	(3,398)	(2,243)	(4,004)	(3,078)
Total other underwriting and operating expenses net	$ 47,780	$ 50,967	$ 149,540	$ 162,660