Change Of Control, Grantee Employment Termination, Vesting Period Range

No definition available.

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- Definition

This concept represents the maximum amount of discretionary contributions made by an employee to a defined contribution plan based on the employee being or reaching age 50 during the plan year.

+ References

No definition available.

+ Details

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- Definition

The discount from the market price on the date of purchase.

+ References

No definition available.

+ Details

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- Definition

Employee Stock Purchase Plan (ESPP), Number Of Shares Available For Issuance

+ References

No definition available.

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- Definition

The number of anniversaries of the grant date upon which RSUs will vest in pro rata installments.

+ References

No definition available.

+ Details

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- Definition

The maximum payout percentage at the end of the performance period based on the target award.

+ References

No definition available.

+ Details

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- Definition

The holding period after the vesting of performance RSUs that were granted to executive officers after which the vested awards will be convertible into shares.

+ References

No definition available.

+ Details

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- Definition

Amount of cost for defined contribution plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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-Topic 715
-SubTopic 70
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-Paragraph 1
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- Definition

Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan.

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

Percentage of employer's matching contributions to a defined contribution plan that vests in a given year.

+ References

No definition available.

+ Details

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- Definition

Maximum amount the employee may contribute to a defined contribution plan.

+ References

No definition available.

+ Details

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- Definition

Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan.

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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-Subparagraph (i)
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- Definition

Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

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- Definition

Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

+ References

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- Definition

The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

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- Definition

Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

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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

Number of shares authorized for issuance under share-based payment arrangement.

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- Definition

The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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- Definition

Net number of share options (or share units) granted during the period.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition

Percentage of vesting of award under share-based payment arrangement.

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- Definition

Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
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Period Type:	duration

- Definition

Expected term of award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

Number, after forfeiture, of shares or units issued under share-based payment arrangement. Excludes shares or units issued under employee stock ownership plan (ESOP).

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Share-Based Compensation and Other Benefit Programs - Narrative (Details)	12 Months Ended			72 Months Ended
	Dec. 31, 2022 USD ($) anniversary $ / shares shares	Dec. 31, 2021 USD ($) anniversary $ / shares shares	Dec. 31, 2020 USD ($) anniversary $ / shares shares	Dec. 31, 2022 USD ($) anniversary shares	Feb. 24, 2023 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum percentage of base earnings qualifying for pre-tax contributions	100.00%
Defined contribution plan, annual contribution per employee, amount	$ 20,500
Maximum catch-up amount	$ 6,500
Matching contribution percentage	100.00%
Base earnings qualifying for parent company matching contribution, percent	6.00%
Matching funds expense	$ 9,700,000	$ 7,800,000	$ 7,800,000
Performance-Based
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted-average grant date fair value (in usd per share) \| $ / shares	$ 20.09
Performance-Based \| 2021 Award Year
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Fair value of RSUs vested	$ 16,900,000
Award period		3 years
Performance-Based \| 2020 Award Year
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted-average grant date fair value (in usd per share) \| $ / shares		$ 20.39
Fair value of RSUs vested		$ 18,900,000
Award period			3 years
Performance-Based \| 2019 Award Year
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted-average grant date fair value (in usd per share) \| $ / shares			$ 11.91
Fair value of RSUs vested			$ 17,200,000
Performance-Based \| 2022 Award Year
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award period	3 years
Performance-Based \| Minimum \| 2021 Award Year
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Payout percentage of target award		0.00%
Post-vesting holding period		1 year
Performance-Based \| Minimum \| 2020 Award Year
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Payout percentage of target award			0.00%
Post-vesting holding period			1 year
Performance-Based \| Minimum \| 2022 Award Year
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Payout percentage of target award	0.00%
Post-vesting holding period	1 year
Performance-Based \| Maximum \| 2021 Award Year
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Payout percentage of target award	200.00%
Performance-Based \| Maximum \| 2020 Award Year
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Payout percentage of target award		200.00%
Performance-Based \| Maximum \| 2019 Award Year
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Payout percentage of target award			200.00%
Time-Vested
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted-average grant date fair value (in usd per share) \| $ / shares	$ 20.61
Time-Vested \| 2021 Award Year
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Fair value of RSUs vested	$ 10,600,000
Number of anniversaries of the grant date \| anniversary		3
Award vesting period		3 years
Time-Vested \| 2020 Award Year
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted-average grant date fair value (in usd per share) \| $ / shares		$ 21.71
Fair value of RSUs vested		$ 18,100,000
Number of anniversaries of the grant date \| anniversary			3
Award vesting period			3 years
Time-Vested \| 2019 Award Year
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted-average grant date fair value (in usd per share) \| $ / shares			$ 13.49
Fair value of RSUs vested			$ 7,600,000
Time-Vested \| 2022 Award Year
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of anniversaries of the grant date \| anniversary	3			3
Award vesting period	3 years
Time-Vested \| Minimum \| 2021 Award Year
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period		1 year
Time-Vested \| Minimum \| 2020 Award Year
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period			1 year
Time-Vested \| Minimum \| 2022 Award Year
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period	1 year
Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected vesting or offering term	4 years
Stock options granted (in shares) \| shares				0
Options \| 2022 Award Year
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options granted (in shares) \| shares	0
Options \| Award vesting percentage on or after the third anniversary of grant date
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting rights percentage	50.00%
Options \| Award vesting percentage on or after the fourth anniversary of grant date
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting rights percentage	50.00%
Equity Compensation Plans
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum contractual term for all awards	10 years
Unrecognized compensation expense	$ 31,700,000			$ 31,700,000
Period for recognition	1 year 8 months 12 days
Equity Compensation Plans \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Change of control, grantee employment termination, vesting period range (in days and years)	90 days
Equity Compensation Plans \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Change of control, grantee employment termination, vesting period range (in days and years)	1 year
2021 Equity Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares of common stock authorized for issuance \| shares	8,300,000			8,300,000
Number of shares remaining available for grant (shares reserve) \| shares	8,100,000			8,100,000
Amended and Restated Radian Group Inc. Employee Stock Purchase Plan \| ESPP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected vesting or offering term	6 months
Discount percentage from market price	15.00%
Shares issued to employees under ESPP Plans (in shares) \| shares	100,000	100,000	100,000
Amended and Restated Radian Group Inc. Employee Stock Purchase Plan \| ESPP \| Subsequent Event
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
ESPP, number of shares available for issuance \| shares					1,500,000