v3.26.1
Investment Securities - Schedule of Investments in RMBS and CMBS (Details) - USD ($)
$ in Thousands
Mar. 31, 2026
Dec. 31, 2025
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Securities Sold Under Agreements to Repurchase $ 57,000 $ 54,041
Due to broker 129,359 198,191
Mezzanine    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Securities Sold Under Agreements to Repurchase 8,297 6,993
Subordinate    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Securities Sold Under Agreements to Repurchase 12,625 12,354
Interest Only/Excess    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Securities Sold Under Agreements to Repurchase 0 0
Retained RMBS in VIEs | VIEntity - Primary Beneficiary    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Securities Sold Under Agreements to Repurchase 36,078 34,694
Retained RMBS in VIEs | VIEntity - Primary Beneficiary | Eliminations    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Securities Sold Under Agreements to Repurchase (220,900) (198,900)
Total AOMT RMBS    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Securities Sold Under Agreements to Repurchase 57,000 54,041
Fannie Mae    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Securities Sold Under Agreements to Repurchase 0 0
Freddie Mac    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Securities Sold Under Agreements to Repurchase 0 0
Total Whole Pool Agency RMBS    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Securities Sold Under Agreements to Repurchase 0 0
Total RMBS    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Securities Sold Under Agreements to Repurchase 57,000 54,041
Mezzanine    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Real Estate Securities at Fair Value 14,265 13,252
Allocated Capital 5,968 6,259
Subordinate    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Real Estate Securities at Fair Value 62,229 59,587
Allocated Capital 49,604 47,233
Interest Only/Excess    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Real Estate Securities at Fair Value 9,221 9,301
Allocated Capital 9,221 9,301
Retained RMBS in VIEs | VIEntity - Primary Beneficiary    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Real Estate Securities at Fair Value 0 0
Allocated Capital (36,078) (34,694)
Total AOMT RMBS    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Real Estate Securities at Fair Value 85,715 82,140
Allocated Capital 28,715 28,099
Fannie Mae    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Real Estate Securities at Fair Value 96,019 56,412
Allocated Capital 96,019 56,412
Freddie Mac    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Real Estate Securities at Fair Value 30,862 141,453
Allocated Capital 30,862 141,453
Total Whole Pool Agency RMBS    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Real Estate Securities at Fair Value 126,881 197,865
Allocated Capital 126,881 197,865
Total RMBS    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Real Estate Securities at Fair Value 212,596 280,005
Allocated Capital $ 155,596 $ 225,964