Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

No definition available.

Name:	us-gaap_CashAndCashEquivalentsFairValueDisclosure
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Fair Value Measurements - Additional Information (Details) - USD ($) $ in Millions	Mar. 31, 2020	Mar. 22, 2019
Amendment To Financing Arrangement \| Common Stock Warrants
Class Of Warrant Or Right [Line Items]
Granted warrants to purchase shares		19,790
Level 1 \| Money Market Deposits
Class Of Warrant Or Right [Line Items]
Cash equivalents	$ 53.3