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Dividends Restrictions (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024
Dividends Restrictions
Total equity	$ 5,738,974	$ 5,640,985	$ 5,738,974	$ 5,640,985	$ 5,603,658
Related Party | Essent Guaranty
Dividends Restrictions
Unassigned surplus	432,300		432,300
Amount available for dividend distribution	280,500		280,500
Affiliated Entity | Essent Guaranty
Dividends Restrictions
Dividends paid to parent company	85,000	58,000	215,000	165,500
Affiliated Entity | Essent Re
Dividends Restrictions
Dividends paid to parent company	120,000	$ 87,500	340,000	$ 212,500
Total equity	1,700,000		1,700,000
Affiliated Entity | Essent Re | Minimum | Quota share reinsurance
Dividends Restrictions
Total equity	$ 100,000		$ 100,000

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The amount of dividends that can be declared or paid without affecting the banking or savings institution's regulatory capital position.

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Amount of statutory capital and surplus computed using prescribed or permitted statutory accounting practice that can be distributed to stockholder as dividend payment.

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Amount of equity (deficit) attributable to parent. Excludes temporary equity and equity attributable to noncontrolling interest.

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