Shareholders' Equity - Summary of Dividend Rates of Perpetual Preferred Stock Issued and Outstanding (Detail)								1 Months Ended	12 Months Ended
	Nov. 10, 2034	Feb. 10, 2030	May 10, 2029	Feb. 10, 2029	Nov. 10, 2026	Aug. 10, 2026	May 10, 2026	Jan. 31, 2025	Dec. 31, 2025
Series A Preferred Stock
Class of Stock [Line Items]
Basis spread on variable dividend rate									1.01161%
Dividend rate, floor									3.75%
Series C Preferred Stock
Class of Stock [Line Items]
Basis spread on variable dividend rate									1.01161%
Dividend rate, floor									4.00%
Series D Preferred Stock
Class of Stock [Line Items]
Basis spread on variable dividend rate									0.93161%
Dividend rate, floor									4.00%
Series E Preferred Stock
Class of Stock [Line Items]
Basis spread on variable dividend rate									1.02911%
Dividend rate, floor									4.00%
Series F Preferred Stock
Class of Stock [Line Items]
Basis spread on variable dividend rate									1.03161%
Dividend rate, floor									4.00%
Series O Preferred Stock
Class of Stock [Line Items]
Dividend rate									5.30%
Series O Preferred Stock \| Forecast
Class of Stock [Line Items]
Basis spread on variable dividend rate					4.09561%
Series Q Preferred Stock
Class of Stock [Line Items]
Basis spread on variable dividend rate									3.623%
Series R Preferred Stock
Class of Stock [Line Items]
Basis spread on variable dividend rate									3.224%
Series S Preferred Stock
Class of Stock [Line Items]
Basis spread on variable dividend rate									2.85%
Series T Preferred Stock
Class of Stock [Line Items]
Dividend rate									3.80%
Series T Preferred Stock \| Forecast
Class of Stock [Line Items]
Basis spread on variable dividend rate							2.969%
Series U Preferred Stock
Class of Stock [Line Items]
Dividend rate									3.65%
Series U Preferred Stock \| Forecast
Class of Stock [Line Items]
Basis spread on variable dividend rate						2.915%
Series V Preferred Stock
Class of Stock [Line Items]
Dividend rate									4.125%
Series V Preferred Stock \| Forecast
Class of Stock [Line Items]
Basis spread on variable dividend rate					2.949%
Series W Preferred Stock
Class of Stock [Line Items]
Dividend rate									7.50%
Series W Preferred Stock \| Forecast
Class of Stock [Line Items]
Basis spread on variable dividend rate				3.156%
Series X Preferred Stock
Class of Stock [Line Items]
Dividend rate									7.50%
Series X Preferred Stock \| Forecast
Class of Stock [Line Items]
Basis spread on variable dividend rate			2.809%
Series Y Preferred Stock
Class of Stock [Line Items]
Dividend rate									6.125%
Series Y Preferred Stock \| Forecast
Class of Stock [Line Items]
Basis spread on variable dividend rate	2.40%
Series Z Preferred Stock
Class of Stock [Line Items]
Dividend rate								6.85%	6.85%
Series Z Preferred Stock \| Forecast
Class of Stock [Line Items]
Basis spread on variable dividend rate		2.461%