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Stock Compensation Plans - Schedule of Restricted Stock Units ("RSUs"), Performance Stock Units ("PSUs"), and Restricted Stock Awards ("RSAs") Granted (Parenthetical) (Detail) | 12 Months Ended
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Mar. 31, 2023
Director [Member] |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |
Share-based compensation vesting percentage | 100.00%
Vesting period | 1 year
Officers and Key Employees [Member] |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |
Share-based compensation vesting percentage | 100.00%
Vesting period | 3 years
Officers and Key Employees [Member] | Time Vest One-Third Per Year [Member] |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |
Share-based compensation vesting percentage | 33.33%
Vesting period | 3 years
Officers and Key Employees [Member] | Performance Vest One-Third Per Year [Member] |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |
Share-based compensation vesting percentage | 33.33%
Vesting period | 3 years

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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 -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + 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 Percentage of vesting of award under share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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