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Dividends Restrictions (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Jan. 01, 2023
Dividends Restrictions
Total equity	$ 5,102,550,000	$ 4,462,309,000	$ 4,236,114,000
Contribution	40,038,000	74,620,000	67,397,000
Tile Insurance Subsidiary
Dividends Restrictions
Contribution	38,100,000
Related Party
Dividends Restrictions
Dividends paid to parent company	60,000,000	0	0
Essent Guaranty | Related Party
Dividends Restrictions
Unassigned surplus	298,800,000
Amount available for dividend distribution				$ 298,800,000
Essent Guaranty | Affiliated Entity
Dividends Restrictions
Dividends paid to parent company	295,000,000	315,000,000	247,200,000
Essent PA | Related Party
Dividends Restrictions
Unassigned surplus	15,000,000
Amount available for dividend distribution				$ 5,400,000
Essent PA | Affiliated Entity
Dividends Restrictions
Dividends paid to parent company	0	$ 5,000,000	$ 0
Essent Re | Affiliated Entity
Dividends Restrictions
Dividends paid to parent company	60,000,000
Total equity	1,800,000,000
Essent Re | Affiliated Entity | Minimum | Quota share reinsurance
Dividends Restrictions
Total equity	$ 100,000,000

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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.

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The cash outflow associated with the purchase of or advances to an equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence.

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