Note 17 - Stockholders' Equity (Tables)

3 Months Ended

Mar. 31, 2024

Notes Tables

Schedule of Stockholders Equity [Table Text Block]

As of March 31, 2024
Class of Preferred Stock	Shares Authorized		Shares Issued and Outstanding		Liquidation Preference		Dividend Rate			Annual Dividend per Depositary Share		Par Value		Optional Redemption Date
Class L		10,350		8,902	$	222,543		5.125	%	$	1.28125	$	1.00	8/16/2022
Class M		10,580		10,465		261,636		5.250	%	$	1.31250	$	1.00	12/20/2022
Class N (1)		1,849		1,849		92,427		7.250	%	$	3.62500	$	1.00	N/A
				21,216	$	576,606

As of December 31, 2023
Class of Preferred Stock	Shares Authorized		Shares Issued and Outstanding		Liquidation Preference		Dividend Rate			Annual Dividend per Depositary Share		Par Value		Optional Redemption Date
Class L		10,350		8,902	$	222,543		5.125	%	$	1.28125	$	1.00	8/16/2022
Class M		10,580		10,465		261,636		5.250	%	$	1.31250	$	1.00	12/20/2022
				19,367	$	484,179

Dividends Declared [Table Text Block]

	Three Months Ended March 31,
	2024		2023
Common Shares	$	0.24000	$	0.23000
Class L Depositary Shares	$	0.32031	$	0.32031
Class M Depositary Shares	$	0.32813	$	0.32813
Class N Depositary Shares	$	0.90625	$	-