v3.26.1
Stockholders' Equity - Additional Information (Details) - USD ($)
3 Months Ended 6 Months Ended 52 Months Ended
Aug. 12, 2026
Apr. 02, 2026
Nov. 04, 2025
Oct. 01, 2025
Apr. 03, 2025
Mar. 13, 2024
Jan. 26, 2024
Nov. 09, 2023
Nov. 02, 2023
Apr. 04, 2023
Feb. 22, 2023
Feb. 21, 2022
Nov. 08, 2021
Feb. 22, 2021
Jul. 24, 2020
Jan. 31, 2020
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Mar. 31, 2026
Dec. 31, 2025
Mar. 31, 2025
Dec. 31, 2024
Mar. 15, 2022
Dec. 31, 2021
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                                                      
Common stock, par value per share (in dollars per share)                                 $ 0.01   $ 0.01   $ 0.01   $ 0.01        
Common stock, issued (in shares)                                 18,848,029   18,848,029   18,848,029   18,574,101        
Common Shares Outstanding (in shares)                                 18,848,029   18,848,029   18,848,029   18,574,101        
Stock issuance agreement, number of shares (in shares)                                                     13,758,906
Conversion of redeemable noncontrolling interests in the OP (in shares)                                     9,601,008                
Issuance of common stock (in shares)                                         531,728            
Preferred stock, dividend rate, percentage               15.50%                                      
Preferred stock, par value per share (in dollars per share)                                 $ 0.01   $ 0.01   $ 0.01   $ 0.01        
Payments of stock issuance costs                                         $ 888,249            
Stock repurchase program, authorized amount                     $ 20,000,000                                
Stock repurchase program, period in force                     2 years                                
Stock repurchase program, expiration date                     Feb. 22, 2025                                
Stock repurchase program, extended expiration date                     Feb. 24, 2027                                
Dealer Manager | NexPoint Securities                                                      
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                                                      
Proceeds from issuance of redeemable Series B preferred stock, net of offering costs       $ 430,000,000                             $ 395,600,000                
Payment of commissions and dealer manager fees                                     $ 31,500,000                
ATM Program                                                      
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                                                      
Equity distribution agreements, maximum aggregate sales price                                                   $ 100,000,000  
Series A Preferred Stock                                                      
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                                                      
Issuance of common stock (in shares)                             2,000,000                        
Preferred stock, dividend rate, percentage                             8.50%                        
Preferred stock, redemption price per share (in dollars per share)                             $ 24                        
Proceeds from issuance of redeemable Series B preferred stock, net of offering costs                             $ 48,000,000                        
Underwriting discount and commission expenses                             $ 1,200,000                        
Preferred stock, liquidation preference per share                             $ 25                        
Payments of stock issuance costs                             $ 800,000                        
Series B Preferred Stock                                                      
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                                                      
Issuance of common stock (in shares)                 16,000,000                                    
Preferred stock, dividend rate, percentage                                     9.00%                
Preferred stock, redemption price per share (in dollars per share)                 $ 25                                    
Proceeds from issuance of redeemable Series B preferred stock, net of offering costs                                       $ 96,562,000              
Number of additional shares authorized (in shares)       1,200,000                                              
Number of shares authorized (in shares)       17,200,000                                              
Preferred stock, par value per share (in dollars per share)                                 0.01   $ 0.01   $ 0.01            
Preferred stock, liquidation preference per share                                 25   $ 25   25            
Stock redeemed (in shares)                                     127,084                
Series B Preferred Stock | Dealer Manager                                                      
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                                                      
Issuance of common stock (in shares)       17,200,000                             16,186,525                
Series B Preferred Stock | Dealer Manager | NexPoint Securities                                                      
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                                                      
Proceeds from issuance of redeemable Series B preferred stock, net of offering costs                                     $ 395,600,000                
Series C Preferred Stock                                                      
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                                                      
Issuance of common stock (in shares)     8,000,000                                                
Preferred stock, dividend rate, percentage                                     8.00%                
Preferred stock, redemption price per share (in dollars per share)     $ 25                                                
Proceeds from issuance of redeemable Series B preferred stock, net of offering costs $ 6,400,000                                   $ 41,260,000                
Preferred stock, par value per share (in dollars per share)                                 0.01   $ 0.01   0.01            
Preferred stock, liquidation preference per share                                 $ 25   $ 25   $ 25            
Sale of stock, number of shares issued (in shares)                                     8,000,000                
Stock redeemed (in shares)                                     0                
Series C Preferred Stock | Dealer Manager                                                      
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                                                      
Issuance of common stock (in shares)                                     1,799,651                
Series C Preferred Stock | Dealer Manager | NexPoint Securities                                                      
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                                                      
Proceeds from issuance of redeemable Series B preferred stock, net of offering costs                                     $ 45,000,000                
Payment of commissions and dealer manager fees                                     $ 4,100,000                
Sale of stock, number of shares issued (in shares)                                     8,000,000                
Restricted Stock Units (RSUs)                                                      
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                                                      
Unrecognized compensation expense                                 $ 16,300,000   $ 16,300,000   $ 16,300,000            
Weighted average vesting period                                     1 year 8 months 23 days                
Granted (in shares)                                     653,855                
Share-based compensation arrangement by share-based payment award, equity instruments other than options, nonvested, number                                 1,286,419   1,286,419   1,286,419   1,025,606        
Common Stock                                                      
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                                                      
Vesting of stock-based compensation (in shares)                                 161,046 78,302 273,928 260,699              
Common Shares Outstanding (in shares)                                 18,848,029 17,721,828 18,848,029 17,721,828 18,848,029 18,686,983 18,574,101 17,643,526 17,461,129    
2020 LTIP                                                      
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                                                      
Share-based compensation arrangement by share-based payment award, shares issued in period (in shares)             2,308,000                 1,319,734                      
2020 LTIP | Restricted Stock Units (RSUs)                                                      
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                                                      
Award vesting period                                     4 years                
2020 LTIP | Restricted Stock Units (RSUs) | Minimum                                                      
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                                                      
Award vesting period                                     3 years                
2020 LTIP | Restricted Stock Units (RSUs) | Maximum                                                      
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                                                      
Award vesting period                                     5 years                
2020 LTIP | Restricted Stock Units (RSUs) | Officers and Other Employees                                                      
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                                                      
Granted (in shares)   616,931     449,664 442,666       418,685   264,476   220,352                          
2020 LTIP | Restricted Stock Units (RSUs) | Director                                                      
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                                                      
Granted (in shares)   36,924     33,108 22,650       21,370   12,464   11,832                          
2020 LTIP | Restricted Stock Units (RSUs) | General Partner of Subsidiary                                                      
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                                                      
Granted (in shares)                         1,201