v3.26.1
Stockholders' Equity and Non-Controlling Interests - Narrative (Details)
$ / shares in Units, $ in Thousands
1 Months Ended 3 Months Ended 12 Months Ended
Nov. 06, 2021
USD ($)
Nov. 05, 2021
USD ($)
Feb. 28, 2026
USD ($)
Apr. 30, 2022
USD ($)
shares
Mar. 31, 2026
USD ($)
extension
$ / shares
shares
Mar. 31, 2025
USD ($)
$ / shares
shares
Dec. 31, 2025
USD ($)
May 31, 2025
USD ($)
Equity Incentive Plans                
Authorized repurchase of common stock     $ 400,000          
Repurchase program, period in force     1 year          
Common stock repurchased (in shares) | shares         1,126,543      
Common stock repurchased         $ 19,936      
Repurchase of remaining common stock         380,100      
Net income         2,198 $ 425    
Net income (loss) attributable to non-controlling interests         $ 5,544 3,846    
CMBS JV                
Equity Incentive Plans                
Subsidiary, ownership percentage, parent         51.00%      
Class A Units                
Equity Incentive Plans                
Number of units outstanding (in shares) | shares         9,600,000      
Woodstar II Portfolio | Class A Units                
Equity Incentive Plans                
Net income (loss) attributable to non-controlling interests         $ 4,600 4,700    
Subsidiaries | Woodstar II Portfolio                
Equity Incentive Plans                
Conversion of stock ratio         1      
Subsidiaries | Woodstar II Portfolio | Class A Units                
Equity Incentive Plans                
Shares issued (in shares) | shares         10,200,000      
Right to receive additional shares (in shares) | shares         1,900,000      
Subsidiaries | Woodstar II Portfolio | Class A Units | Non- Controlling Interests                
Equity Incentive Plans                
Redemption of units         $ 205,700   $ 205,700  
Woodstar Fund                
Equity Incentive Plans                
Percentage of interest sold   20.60%            
Contributions from non-controlling interests $ 214,200 $ 216,000            
Initial term         8 years      
Number of extension options | extension         2      
Extension term         1 year      
CMBS JV                
Equity Incentive Plans                
Non-controlling interest         $ 87,700   $ 89,300  
CMBS JV | Joint Venture Partner                
Equity Incentive Plans                
Ownership percentage         49.00%      
CMBS JV | Woodstar II Portfolio | Class A Units                
Equity Incentive Plans                
Net income (loss) attributable to non-controlling interests         $ (600) $ (700)    
Starwood Property Trust, Inc. Equity Plan and Manager Equity Plan                
Equity Incentive Plans                
Number of shares of authorized for issuance (in shares) | shares       18,700,000        
Common stock available for future grants (in shares) | shares         8,200,000      
Employee Stock                
Equity Incentive Plans                
Purchase price of fair market value (as a percent)       85.00%        
Maximum purchase value during calendar year, per employee       $ 25        
Number of shares of authorized for issuance (in shares) | shares       2,000,000        
Number of shares issued for future grants (in shares) | shares         84,381 64,938    
Purchase price (in dollars per share) | $ / shares         $ 14.94 $ 16.94    
Share-based expense         $ 300 $ 200    
Common stock available for future issuance (in shares) | shares         1,500,000      
ATM Agreement                
Equity Incentive Plans                
Authorized value of stock under ATM agreement               $ 500,000
Number of shares issued (in shares) | shares         0 0