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Stock Plans - Performance Based Awards (Details) - PSU	1 Months Ended		12 Months Ended
	Nov. 30, 2019 shares	May 31, 2019 shares	Mar. 31, 2021 shares	Mar. 31, 2020 tranche shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Awards, Granted (in shares)	17,000	88,000	0	105,000
Number of annual tranches | tranche				3
Percentage of shares eligible to vest	46.00%	0.00%
Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awards potential to vest, percentage				200.00%
Awards potential to vest (in shares)				210,000

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- Definition

Share-based Compensation Arrangement By Share-based Payment Award, Equity Instruments Other Than Options, Potential To Vest, Percent

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Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other than Options, Potential To Vest, Shares

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- Definition

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The number of grants made 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

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(1)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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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.

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- Definition

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

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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