v3.26.3
Securities, at Fair Value - Interest Income (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Debt Securities, Available-for-sale [Line Items]        
Interest income $ 57,050 $ 27,708 $ 155,573 $ 81,156
Agency MBS        
Debt Securities, Available-for-sale [Line Items]        
Coupon interest 55,334 25,596 150,918 69,372
Effective yield adjustment (58) 44 (476) 105
Interest income 55,276 25,640 150,442 69,477
Other MBS        
Debt Securities, Available-for-sale [Line Items]        
Coupon interest 833 1,420 2,497 4,383
Effective yield adjustment 941 648 2,634 1,146
Interest income 1,774 2,068 5,131 5,529
Term notes backed by MSR collateral        
Debt Securities, Available-for-sale [Line Items]        
Coupon interest 0 0 0 1,789
Effective yield adjustment 0 0 0 4,361
Interest income $ 0 $ 0 $ 0 6,150
MSR related assets        
Debt Securities, Available-for-sale [Line Items]        
Accretion income       $ 2,600