Defined Contribution Plan - Additional Information (Details) - USD ($)	12 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Defined Benefit Pension Plans And Defined Benefit Postretirement Plans Disclosure [Abstract]
Percentage of employees contribution	6.00%
Administration expenses	$ 152,000	$ 240,000

Amount of administration expense of defined benefit plan which decreases plan assets. Excludes plan administration expense paid by employer.

No definition available.

Name:	us-gaap_DefinedBenefitPlanAdministrationExpenses
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration