Reinsurance - Variable Interest Entity (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Effects of Reinsurance [Line Items]
Total VIE Assets	$ 6,542,327	$ 6,547,235
Home Re 2023-1
Effects of Reinsurance [Line Items]
Total VIE Assets	273,417	303,733
Home Re 2022-1
Effects of Reinsurance [Line Items]
Total VIE Assets	263,984	313,229
Home Re 2021-2
Effects of Reinsurance [Line Items]
Total VIE Assets	111,937	136,486
Home Re 2021-1
Effects of Reinsurance [Line Items]
Total VIE Assets	$ 64,783	$ 97,373

Amount of asset recognized for present right to economic benefit.

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+ Details

MGIC INVESTMENT CORP 10-Q