Note 15 - Shareholders' Equity (Details Textual) - $ / shares	Jun. 30, 2022	Dec. 31, 2021	Feb. 26, 2021
Shareholders Equity [Line Items]
Stock Authorized	560,000,000
Common Stock, Shares Authorized	500,000,000
Common Stock, Par or Stated Value Per Share	$ 0.01	$ 0.01
Preferred Stock, Shares Authorized	60,000,000
Preferred Stock, No Par Value	$ 0	$ 0
Common Stock, Shares, Outstanding	79,000,000.0	78,700,000
Treasury Stock, Shares	800,000	800,000
Series B Preferred Stock [Member]
Shareholders Equity [Line Items]
Preferred Stock, No Par Value
Preferred Stock Shares Outstanding	1,000,000.0	1,000,000.0
Preferred Stock Shares Issued	1,000,000.0	1,000,000.0
Series C Preferred Stock [Member]
Shareholders Equity [Line Items]
Preferred Stock Shares Outstanding	1,100,000	1,100,000
Preferred Stock Shares Issued	1,100,000	1,100,000