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Dividends Restrictions (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Dividends Restrictions
Total equity	$ 4,808,007,000	$ 4,294,208,000	$ 4,808,007,000	$ 4,294,208,000	$ 4,462,309,000
Affiliated Entity | Essent Guaranty
Dividends Restrictions
Unassigned surplus	284,600,000		284,600,000
Dividends paid to parent company	60,000,000	60,000,000	240,000,000	260,000,000
Amount available for dividend distribution	284,600,000		284,600,000
Affiliated Entity | Essent PA
Dividends Restrictions
Unassigned surplus	13,300,000		13,300,000
Dividends paid to parent company	0	$ 0	0	$ 0
Amount available for dividend distribution	5,300,000		5,300,000
Affiliated Entity | Essent Re
Dividends Restrictions
Total equity	1,700,000,000		1,700,000,000
Affiliated Entity | Essent Re | Minimum | Quota Share Reinsurance
Dividends Restrictions
Total equity	$ 100,000,000		$ 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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