v3.26.1
Secured Borrowings - Schedule of Certain Characteristics (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2026
Dec. 31, 2025
Line of Credit Facility [Line Items]    
Facility Size $ 4,179,463  
Consolidated Excluding VIEs    
Line of Credit Facility [Line Items]    
Securitized debt obligations of consolidated VIEs, net 2,321,443 $ 2,788,926
Asset pledged as collateral without right    
Line of Credit Facility [Line Items]    
Carrying value, Pledged assets 3,656,551  
Total borrowings under credit facilities and other financing agreements    
Line of Credit Facility [Line Items]    
Facility Size 632,196  
Securitized debt obligations of consolidated VIEs, net 358,000 385,116
Total borrowings under credit facilities and other financing agreements | Loans and finance receivables    
Line of Credit Facility [Line Items]    
Carrying value, Pledged assets 446,514 451,667
Total borrowings under credit facilities and other financing agreements | Asset pledged as collateral without right | Loans and finance receivables    
Line of Credit Facility [Line Items]    
Carrying value, Pledged assets 446,514  
Total borrowings under credit facilities and other financing agreements | SBA loans    
Line of Credit Facility [Line Items]    
Facility Size 335,000  
Securitized debt obligations of consolidated VIEs, net 301,025 307,522
Total borrowings under credit facilities and other financing agreements | SBA loans | Asset pledged as collateral without right | Loans and finance receivables    
Line of Credit Facility [Line Items]    
Carrying value, Pledged assets $ 382,817  
Total borrowings under credit facilities and other financing agreements | SBA loans | SOFR    
Line of Credit Facility [Line Items]    
Basis spread on variable rate (as a percent) 2.55%  
Total borrowings under credit facilities and other financing agreements | SBA loans | Prime Rate    
Line of Credit Facility [Line Items]    
Basis spread on variable rate (as a percent) 0.82%  
Total borrowings under credit facilities and other financing agreements | LMM loans - USD    
Line of Credit Facility [Line Items]    
Facility Size $ 40,000  
Securitized debt obligations of consolidated VIEs, net 8,277 16,425
Total borrowings under credit facilities and other financing agreements | LMM loans - USD | Asset pledged as collateral without right | Loans and finance receivables    
Line of Credit Facility [Line Items]    
Carrying value, Pledged assets $ 8,490  
Total borrowings under credit facilities and other financing agreements | LMM loans - USD | SOFR    
Line of Credit Facility [Line Items]    
Basis spread on variable rate (as a percent) 1.35%  
Total borrowings under credit facilities and other financing agreements | LMM loans - Non-USD    
Line of Credit Facility [Line Items]    
Facility Size $ 58,696  
Securitized debt obligations of consolidated VIEs, net 29,413 29,965
Total borrowings under credit facilities and other financing agreements | LMM loans - Non-USD | Asset pledged as collateral without right | Loans and finance receivables    
Line of Credit Facility [Line Items]    
Carrying value, Pledged assets $ 21,356  
Total borrowings under credit facilities and other financing agreements | LMM loans - Non-USD | Euro Interbank Offered Rate (EURIBOR)    
Line of Credit Facility [Line Items]    
Basis spread on variable rate (as a percent) 3.00%  
Total borrowings under credit facilities and other financing agreements | USDA loans    
Line of Credit Facility [Line Items]    
Facility Size $ 198,500  
Securitized debt obligations of consolidated VIEs, net 19,285 31,204
Total borrowings under credit facilities and other financing agreements | USDA loans | Asset pledged as collateral without right | Loans and finance receivables    
Line of Credit Facility [Line Items]    
Carrying value, Pledged assets $ 33,851  
Total borrowings under credit facilities and other financing agreements | USDA loans | Euro Interbank Offered Rate (EURIBOR)    
Line of Credit Facility [Line Items]    
Basis spread on variable rate (as a percent) 2.75%  
Total borrowings under repurchase agreements    
Line of Credit Facility [Line Items]    
Facility Size $ 3,547,267  
Securitized debt obligations of consolidated VIEs, net 1,963,443 2,403,810
Total borrowings under repurchase agreements | Securities sold under agreements to repurchase    
Line of Credit Facility [Line Items]    
Carrying value, Pledged assets 3,210,037 3,560,583
Total borrowings under repurchase agreements | Asset pledged as collateral without right | Securities sold under agreements to repurchase    
Line of Credit Facility [Line Items]    
Carrying value, Pledged assets 3,210,037  
Total borrowings under repurchase agreements | LMM loans    
Line of Credit Facility [Line Items]    
Facility Size 3,425,000  
Securitized debt obligations of consolidated VIEs, net 1,841,176 2,277,028
Total borrowings under repurchase agreements | LMM loans | Asset pledged as collateral without right | Securities sold under agreements to repurchase    
Line of Credit Facility [Line Items]    
Carrying value, Pledged assets $ 2,997,237  
Total borrowings under repurchase agreements | LMM loans | SOFR    
Line of Credit Facility [Line Items]    
Basis spread on variable rate (as a percent) 2.56%  
Total borrowings under repurchase agreements | MBS    
Line of Credit Facility [Line Items]    
Interest rate (as a percent) 5.38%  
Facility Size $ 122,267  
Securitized debt obligations of consolidated VIEs, net 122,267 126,782
Total borrowings under repurchase agreements | MBS | Securities sold under agreements to repurchase    
Line of Credit Facility [Line Items]    
Carrying value, Pledged assets 31,648 $ 34,501
Total borrowings under repurchase agreements | MBS | Asset pledged as collateral without right | Securities sold under agreements to repurchase    
Line of Credit Facility [Line Items]    
Carrying value, Pledged assets $ 212,800