Stock-Based Compensation - Narrative (Details) - USD ($) $ in Thousands	9 Months Ended
Dec. 31, 2020	Dec. 31, 2019
Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options granted (in shares)	0
LTIP Performance Based PSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)	0
Stock Appreciation Rights
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)	0
Annual RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)	45,161	44,702
Award vesting period (in years)	3 years
Annual PSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)	0	19,509
Award vesting period (in years)	3 years
Annual RSUs and Annual PSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)	45,161	64,211
Unrecognized stock compensation expense	$ 11,717

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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 (i)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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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

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-Publisher FASB
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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

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Net number of share options (or share units) granted during the period.

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