v3.26.1
Fair Value - Financial Assets and Liabilities (Details) - USD ($)
$ in Thousands
Mar. 31, 2026
Dec. 31, 2025
Financial Assets:    
Available-for-sale securities $ 86,717 $ 88,283
Equity security   628
Woodstar Fund investments 1,729,433 1,727,499
Domestic servicing rights 27,743 28,280
Derivative assets 32,251 45,813
VIE assets 32,399,812 34,493,164
Total 36,637,660 38,739,732
Financial Liabilities:    
Derivative liabilities 79,430 83,983
VIE liabilities 30,768,059 32,803,806
Total 30,847,489 32,887,789
Level I    
Financial Assets:    
Equity security   628
Woodstar Fund investments 0 0
Derivative assets 0 0
VIE assets 0 0
Total 0 628
Financial Liabilities:    
Derivative liabilities 0 0
VIE liabilities 0 0
Total 0 0
Level II    
Financial Assets:    
Equity security   0
Woodstar Fund investments 0 0
Derivative assets 32,251 45,813
VIE assets 0 0
Total 50,367 50,138
Financial Liabilities:    
Derivative liabilities 79,430 83,983
VIE liabilities 27,008,176 28,972,753
Total 27,087,606 29,056,736
Level III    
Financial Assets:    
Loans under fair value option 2,311,351  
Equity security   0
Woodstar Fund investments 1,729,433 1,727,499
Derivative assets 0 0
VIE assets 32,399,812 34,493,164
Total 36,587,293 38,688,966
Financial Liabilities:    
Derivative liabilities 0 0
VIE liabilities 3,759,883 3,831,053
Total 3,759,883 3,831,053
Loans under fair value option    
Financial Assets:    
Loans under fair value option 2,322,940 2,323,543
Loans under fair value option | Level I    
Financial Assets:    
Loans under fair value option 0 0
Loans under fair value option | Level II    
Financial Assets:    
Loans under fair value option 11,589 0
Loans under fair value option | Level III    
Financial Assets:    
Loans under fair value option 2,311,351 2,323,543
RMBS    
Financial Assets:    
Available-for-sale securities 86,717 88,283
RMBS | Level I    
Financial Assets:    
Available-for-sale securities 0 0
RMBS | Level II    
Financial Assets:    
Available-for-sale securities 0 0
RMBS | Level III    
Financial Assets:    
Available-for-sale securities 86,717 88,283
CMBS    
Financial Assets:    
Available-for-sale securities 38,764 32,522
CMBS | Level I    
Financial Assets:    
Available-for-sale securities 0 0
CMBS | Level II    
Financial Assets:    
Available-for-sale securities 6,527 4,325
CMBS | Level III    
Financial Assets:    
Available-for-sale securities 32,237 28,197
Domestic servicing rights    
Financial Assets:    
Domestic servicing rights 27,743 28,280
Domestic servicing rights | Level I    
Financial Assets:    
Domestic servicing rights 0 0
Domestic servicing rights | Level II    
Financial Assets:    
Domestic servicing rights 0 0
Domestic servicing rights | Level III    
Financial Assets:    
Domestic servicing rights $ 27,743 $ 28,280