v3.26.3
Residential Whole Loans - Interest Income Components (Details) - Residential whole loans - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Interest income $ 144,065 $ 153,501 $ 429,130 $ 460,490
Non-QM loans        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Interest income 87,245 76,742 251,803 212,273
Business purpose loans        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Interest income 40,540 56,194 125,820 188,255
Business purpose loans | Single-family rental loans        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Interest income 17,892 21,637 55,595 65,794
Business purpose loans | Single-family transitional loans        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Interest income 15,771 19,155 47,699 69,653
Business purpose loans | Multifamily transitional loans        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Interest income 6,877 15,402 22,526 52,808
Seasoned RPL/NPL loans        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Interest income 15,850 20,086 50,171 58,541
Other loans        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Interest income 430 479 1,336 1,421
Held at Carrying Value        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Interest income 15,385 17,976 46,840 59,216
Held at Carrying Value | Non-QM loans        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Interest income 7,217 8,649 22,938 28,069
Held at Carrying Value | Business purpose loans        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Interest income 1,257 1,950 4,135 9,471
Held at Carrying Value | Business purpose loans | Single-family rental loans        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Interest income 1,167 1,740 3,864 5,433
Held at Carrying Value | Business purpose loans | Single-family transitional loans        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Interest income 90 210   4,038
Interest income     271  
Held at Carrying Value | Business purpose loans | Multifamily transitional loans        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Interest income 0 0 0 0
Held at Carrying Value | Seasoned RPL/NPL loans        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Interest income 6,911 7,377 19,767 21,676
Held at Carrying Value | Other loans        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Interest income 0 0 0 0
Held at Fair Value        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Interest income 128,680 135,525 382,290 401,274
Held at Fair Value | Non-QM loans        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Interest income 80,028 68,093 228,865 184,204
Held at Fair Value | Business purpose loans        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Interest income 39,283 54,244 121,685 178,784
Held at Fair Value | Business purpose loans | Single-family rental loans        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Interest income 16,725 19,897 51,731 60,361
Held at Fair Value | Business purpose loans | Single-family transitional loans        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Interest income 15,681 18,945 47,428 65,615
Held at Fair Value | Business purpose loans | Multifamily transitional loans        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Interest income 6,877 15,402 22,526 52,808
Held at Fair Value | Seasoned RPL/NPL loans        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Interest income 8,939 12,709 30,404 36,865
Held at Fair Value | Other loans        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Interest income $ 430 $ 479 $ 1,336 $ 1,421