Consolidated Statements of Changes in Shareholders' Equity (Parentheticals) - $ / shares	Dec. 31, 2021	Dec. 31, 2020
Common stock, price per share (in dollars per share)	$ 7	$ 7

Per share or per unit amount of equity securities issued.

No definition available.

Name:	us-gaap_SharesIssuedPricePerShare
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant