v3.26.1
Shareholders' Equity - Summary of Preferred Shares of Beneficial Interest (Parenthetical) (Detail) - $ / shares
 3 Months Ended
Mar. 31, 2026
Dec. 31, 2025
Class Of Stock [Line Items]    
Preferred stock, par value $ 0.01 $ 0.01
8.125% Series A Preferred Stock [Member]    
Class Of Stock [Line Items]    
Cumulative dividend, beneficial interest rate 8.125%  
Sale of Stock, Transaction Date Mar. 31, 2017  
Preferred stock, par value $ 0.01  
8.00% Series B Preferred Stock [Member]    
Class Of Stock [Line Items]    
Cumulative dividend, beneficial interest rate 8.00%  
Sale of Stock, Transaction Date Jul. 31, 2017  
Preferred stock, par value $ 0.01  
6.75% Series C Preferred Stock [Member]    
Class Of Stock [Line Items]    
Cumulative dividend, beneficial interest rate 6.75%  
Sale of Stock, Transaction Date Aug. 31, 2021  
Preferred stock, par value $ 0.01