Borrowings - Additional Information (Detail) $ in Millions	6 Months Ended
Jun. 30, 2022 USD ($)
Genworth Holdings \| Fixed Rate Senior Notes \| Minimum
Debt Instrument [Line Items]
Senior notes option to redeem	100.00%
Enact Holdings \| Revolving Credit Facility
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity	$ 200
Debt instrument, Term	5 years
Line of credit facility additional borrowing capacity	$ 100
Enact Holdings \| 6.50% Senior Notes, Due 2025
Debt Instrument [Line Items]
Debt instrument, option to redeem date, prior to	Feb. 15, 2025

Last date option to redeem the notes requires payment of a make-whole premium.

No definition available.

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- Definition

Additional maximum borrowing capacity whereby the commitments under the credit facility may be increased on an uncommitted basis.

+ References

No definition available.

+ Details

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- Definition

Option to redeem all or a portion of the senior notes at a price equal to the greater of 100% of principal or the sum of the present value of the remaining scheduled payments of principal and interest discounted at the then-current treasury rate plus an applicable spread.

+ References

No definition available.

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

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- Details

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