Consolidated Statement of Shareholders' Equity (Parenthetical) - $ / shares	3 Months Ended	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Common stock dividends (in dollars per share)	$ 0.52	$ 0.50	$ 1.04	$ 1.00
Series A
Preferred stock dividends declared (in dollars per share)	1,252.441	1,399.81	2,490.891	2,795.708
Series B
Preferred stock dividends declared (in dollars per share)	286.568	323.411	569.931	646.135
Series J
Preferred stock dividends declared (in dollars per share)			662.50	662.50
Series K
Preferred stock dividends declared (in dollars per share)	343.75	343.75	687.50	687.50
Series L
Preferred stock dividends declared (in dollars per share)	234.375	234.375	468.75	468.75
Series M
Preferred stock dividends declared (in dollars per share)	250.00	250.00	500.00	500.00
Series N
Preferred stock dividends declared (in dollars per share)	231.25	231.25	462.50	462.50
Series O
Preferred stock dividends declared (in dollars per share)	$ 281.25	$ 281.25	$ 562.50	$ 562.50