v3.26.1
Stockholders' Equity - Additional Information (Detail)
$ / shares in Units, $ in Thousands
 3 Months Ended 6 Months Ended
Jul. 15, 2026
USD ($)
$ / shares
Apr. 15, 2026
USD ($)
$ / shares
Jan. 15, 2026
USD ($)
$ / shares
Oct. 30, 2025
USD ($)
$ / shares
Jul. 30, 2025
USD ($)
$ / shares
Apr. 30, 2025
USD ($)
$ / shares
Apr. 24, 2025
USD ($)
$ / shares
Jan. 30, 2025
USD ($)
$ / shares
Sep. 05, 2024
Nov. 20, 2019
$ / shares
Mar. 13, 2018
Jun. 28, 2017
Jun. 30, 2026
USD ($)
$ / shares
shares
Jun. 30, 2025
USD ($)
Jun. 30, 2026
USD ($)
$ / shares
shares
Jun. 30, 2025
USD ($)
Dec. 31, 2025
USD ($)
shares
Stockholders Equity [Line Items]                                  
Distribution Expense, Preferred Shareholders                         $ 9,715 $ 9,714 $ 19,429 $ 18,148  
Accrued Distribution Preferred Shareholders                         $ 5,148 5,148 $ 5,148 5,148  
Trust shares, authorized (shares) | shares                         500,000,000   500,000,000   500,000,000
Proceeds from Issuance of Common Stock                             $ 0 (59)  
Preferred Stock, Shares Authorized | shares                         50,000,000   50,000,000   50,000,000
Preferred Stock, Shares Issued | shares                         20,109,000   20,109,000    
Proceeds from Issuance of Preferred Stock and Preference Stock                             $ 0 58,998  
Stock Issued During Period, Value, New Issues                           24   59  
Preferred Stock, Redemption Price Per Share | $ / shares                   $ 25.00     $ 25.00   $ 25.00    
Distribution declared per share | $ / shares             $ 0.25                    
Distributions paid             $ 18,809               $ 0 37,618  
Net Income Loss Available To Trust Stock Net of Distributions                         $ 64,746 (68,884) $ 24,116 (107,355)  
Document Period End Date                             Jun. 30, 2026    
At the market equity offering - Preferred                                  
Stockholders Equity [Line Items]                                  
Stock Issued During Period, Shares, New Issues | shares                         39,013   2,611,184    
Proceeds from Issuance or Sale of Equity                         $ 861   $ 59,008    
At the market offering costs                             100    
Payments for Commissions                         $ 18   $ 1,206    
Common Stock [Member]                                  
Stockholders Equity [Line Items]                                  
Distribution To Shareholders                           18,809   37,618  
Preferred Class B [Member]                                  
Stockholders Equity [Line Items]                                  
Distribution To Shareholders   $ 3,703 $ 3,703 $ 3,703 $ 3,703 $ 3,703   $ 3,048                  
Preferred Class B [Member] | At the market equity offering - Preferred                                  
Stockholders Equity [Line Items]                                  
Stock Issued During Period, Shares, New Issues | shares                         29,839   1,331,522    
Proceeds from Issuance or Sale of Equity                         $ 659   $ 29,869    
Payments for Commissions                         $ 14   611    
Series B Preferred Stock [Member]                                  
Stockholders Equity [Line Items]                                  
Accrued Distribution Preferred Shareholders                             $ 2,500    
Preferred Stock, Dividend Rate, Percentage                 7.875%   7.875%            
Preferred Stock, Shares Issued | shares                         7,524,000   7,524,000    
Issuance of Trust preferred shares, net of offering costs                         $ 177,771   $ 177,771   $ 177,771
Preferred Stock, Dividend Rate, Spread                     0.04985            
Series A Preferred Stock                                  
Stockholders Equity [Line Items]                                  
Preferred Stock, Dividend Rate, Percentage                 7.25%     7.25%          
Preferred Stock, Shares Issued | shares                         4,678,000   4,678,000    
Issuance of Trust preferred shares, net of offering costs                         $ 112,010   $ 112,010   112,010
Preferred Stock, Cash Distributions Paid, Per Share | $ / shares   $ 453.125000 $ 453.125000 $ 453.125000 $ 453.125000 $ 453.125000   $ 453.125000                  
Preferred Class A [Member]                                  
Stockholders Equity [Line Items]                                  
Distribution To Shareholders   $ 2,120 $ 2,120 $ 2,120 $ 2,120 $ 2,120   $ 2,062                  
Preferred Class A [Member] | At the market equity offering - Preferred                                  
Stockholders Equity [Line Items]                                  
Stock Issued During Period, Shares, New Issues | shares                         4,748   127,078    
Proceeds from Issuance or Sale of Equity                         $ 103   $ 2,854    
Payments for Commissions                         $ 2   58    
Series B [Member]                                  
Stockholders Equity [Line Items]                                  
Preferred Stock, Cash Distributions Paid, Per Share | $ / shares   $ 0.4921875 $ 0.4921875 $ 492.1875000 $ 492.1875000 $ 492.1875000   $ 492.1875000                  
Series C Preferred Stock [Member]                                  
Stockholders Equity [Line Items]                                  
Accrued Distribution Preferred Shareholders                             $ 2,600    
Preferred Stock, Dividend Rate, Percentage                 7.875% 7.875%              
Preferred Stock, Shares Issued | shares                         7,907,000   7,907,000    
Issuance of Trust preferred shares, net of offering costs                         $ 188,049   $ 188,049   $ 188,049
Preferred Stock, Cash Distributions Paid, Per Share | $ / shares   $ 492.1875000 $ 492.1875000 $ 492.1875000 $ 492.1875000 $ 492.1875000   $ 492.1875000                  
Distribution To Shareholders   $ 3,892 $ 3,892 $ 3,892 $ 3,892 $ 3,892   $ 3,324                  
Series C Preferred Stock [Member] | At the market equity offering - Preferred                                  
Stockholders Equity [Line Items]                                  
Stock Issued During Period, Shares, New Issues | shares                         4,426   1,152,584    
Proceeds from Issuance or Sale of Equity                         $ 99   $ 26,285    
Payments for Commissions                         $ 2   $ 537    
Subsequent Event | Preferred Class B [Member]                                  
Stockholders Equity [Line Items]                                  
Distribution To Shareholders $ 3,703                                
Subsequent Event | Series A Preferred Stock                                  
Stockholders Equity [Line Items]                                  
Preferred Stock, Cash Distributions Paid, Per Share | $ / shares $ 453.125000                                
Subsequent Event | Preferred Class A [Member]                                  
Stockholders Equity [Line Items]                                  
Distribution To Shareholders $ 2,120                                
Subsequent Event | Series B [Member]                                  
Stockholders Equity [Line Items]                                  
Preferred Stock, Cash Distributions Paid, Per Share | $ / shares $ 0.4921875                                
Subsequent Event | Series C Preferred Stock [Member]                                  
Stockholders Equity [Line Items]                                  
Preferred Stock, Cash Distributions Paid, Per Share | $ / shares $ 492.1875000                                
Distribution To Shareholders $ 3,892                                
Retained Earnings [Member] | Common Stock [Member]                                  
Stockholders Equity [Line Items]                                  
Distribution To Shareholders                           18,809   37,618  
Common Stock [Member]                                  
Stockholders Equity [Line Items]                                  
Stock Issued During Period, Value, New Issues                           $ 24   $ 59