Consolidated Statement of Changes in Stockholders' (Deficit) Equity (Parenthetical)	3 Months Ended
Aug. 31, 2020 $ / shares
Dividends declared and paid, per share	$ 0.25

Aggregate dividends paid during the period for each share of preferred stock outstanding.

No definition available.

Name:	us-gaap_PreferredStockDividendsPerShareCashPaid
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration