Note 13 - Earnings Per Share (Details Textual) - shares shares in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Earnings Per Share [Abstract]
Common stock conversion basis	one-for-one basis
Weighted average number of antidilutive convertible preferred stock, restricted stock, RSUs and OP units outstanding	4.4	3.3