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Treasury Stock and Share Based Awards - Additional Information (Detail) $ / shares in Units, $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2022 USD ($) shares | Sep. 30, 2022 USD ($) $ / shares shares
Stockholders Equity Note [Line Items] |  |
Market value of common stock on the dates of grant |  | $ 16.40
Restricted Stock |  |
Stockholders Equity Note [Line Items] |  |
Number of restricted shares granted | shares |  | 880,000
Restricted Stock | Minimum |  |
Stockholders Equity Note [Line Items] |  |
Market value of common stock on the dates of grant |  | $ 13.36
Forfeiture rate for restricted stock awards |  | 0.00%
Award vesting period for restricted stock |  | 1 year
Restricted Stock | Maximum |  |
Stockholders Equity Note [Line Items] |  |
Market value of common stock on the dates of grant |  | $ 17.07
Forfeiture rate for restricted stock awards |  | 12.00%
Award vesting period for restricted stock |  | 3 years
Restricted Stock Units (RSUs) |  |
Stockholders Equity Note [Line Items] |  |
Market value of common stock on the dates of grant |  | $ 16.65
Forfeiture rate for restricted stock awards |  | 5.00%
Unrecognized compensation expense | $ | $ 12.0 | $ 12.0
Remaining compensation expense recognition period (in years) |  | 2 years
incremental compensation expense | $ | $ 0.6 | $ 0.6
Share-based compensation arrangement by share-based payment award, description |  | The performance measurement period for these performance awards is one year with an additional service requirement to the third anniversary of the date of grant. Each performance target underlying the performance award has a threshold, target and maximum level, with the maximum level equal to 175% of the target award. If the performance metrics meet the threshold level, approximately 29% of the maximum restricted stock units vest. If the performance metrics for the one-year period are at target, approximately 57% of the maximum restricted stock units vest. If the performance metrics are at the maximum, 100% of the maximum restricted stock units vest. Grantees are eligible to receive a ratable portion of the common stock issuable if the achievement of the performance goals is within the targets previously noted.
Share-based compensation arrangement by share-based payment award, vesting condition |  | All restricted stock units granted during 2022 will be paid in the form of Holdings' common stock if the participant continues to provide services through the third anniversary of the grant date. Restricted stock unit award participants are eligible to receive dividend equivalent payments from the grant date to the extent declared by Holdings if, and at the time that, the restricted stock unit awards vest.
Number of hypothetical shares of common stock at IRR levels | shares | 1,000,000.0 | 1,000,000.0
Number of hypothetical shares of common stock | shares |  | 800,000

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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 Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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