The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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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.

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- Definition

Amount of stock repurchase plan authorized.

+ References

No definition available.

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- Definition

Total cost of shares repurchased divided by the total number of shares repurchased.

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- Definition

Number of shares that have been repurchased during the period and are being held in treasury.

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- Definition

Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

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Stockholder's Equity - Common Stock Narrative (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Nov. 04, 2020	Dec. 31, 2019	Dec. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock, shares authorized (in shares)	235,000,000	235,000,000		175,000,000	125,000,000
Treasury stock acquired (in shares)	3,202,690
Treasury stock acquired, price (in dollars per share)	$ 3.69
Treasury stock value repurchased	$ 11,800,000
Common Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Authorized amount of stock to repurchase			$ 25,000,000