v3.26.1
Revenue - Schedule of Disaggregation of Revenue by Type of Service (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Disaggregation of Revenue [Line Items]        
Total revenue from fees, net $ 348,019 $ 240,777 $ 625,082 $ 426,252
Platform and referral fees, net        
Disaggregation of Revenue [Line Items]        
Total revenue from fees, net 284,066 202,845 508,684 353,820
Servicing and other fees, net        
Disaggregation of Revenue [Line Items]        
Total revenue from fees, net 54,807 37,932 103,919 72,432
Loan sales fees        
Disaggregation of Revenue [Line Items]        
Total revenue from fees, net $ 9,146 $ 0 $ 12,479 $ 0