Aggregate number of common shares reserved for future issuance.

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- Definition

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

+ References

+ Details

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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

Reference 1: http://www.xbrl.org/2003/role/exampleRef
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-Name Accounting Standards Codification
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-SubTopic 10
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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.

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- Definition

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

+ References

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- Definition

Number of new stock issued during the period.

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- Definition

The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.

+ References

No definition available.

+ Details

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- Definition

The remaining number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.

+ References

No definition available.

+ Details

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- Definition

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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Equity - Additional Information (Detail) - shares	1 Months Ended	6 Months Ended
Equity - Additional Information (Detail) - shares	Aug. 31, 2010	Mar. 31, 2023	Mar. 31, 2022	Sep. 30, 2022	Aug. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum common stock issuable under plan		22,500,000		22,500,000
Stock buyback program [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Repurchase of common stock shares	0
Number of shares remains available for repurchase under the program		1,096,368
Number of Shares Authorized to be repurchased	1,500,000				2,000,000
Dividend Reinvestment and Stock Purchase Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock issued during period shares		4,088	3,938
Maximum common stock issuable under plan		1,470,000
Shares available for issuance under plan		1,448,757
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum Vesting Period		4 years
Rate of restricted stock units vest under plan		25.00%