Overview of Accounting Principles Utilized - Additional Information (Detail)	9 Months Ended
Dec. 31, 2019
Goodwill \| Maximum
Significant Accounting Policies [Line Items]
Goodwill amortization period	20 years

Remaining amortization period of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

No definition available.

Name:	us-gaap_FiniteLivedIntangibleAssetsRemainingAmortizationPeriod1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration