Condensed Consolidated Statements of Cash Flows (Parentheticals)	12 Months Ended
Dec. 31, 2021
Preferred stock, dividend rate	8.857%

The percentage rate used to calculate dividend payments on preferred stock.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 13
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration