Quarterly report pursuant to Section 13 or 15(d)

Term Notes Payable (Details)

v3.23.3
Term Notes Payable (Details) - USD ($)
$ in Thousands
 9 Months Ended
Dec. 31, 2022
Sep. 30, 2023
Sep. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Dec. 31, 2021
Debt Instrument [Line Items]            
Aggregate principal amount $ 400,000 $ 295,800        
Gain on repurchase of outstanding borrowings   5,104 $ 0      
Term notes payable $ 398,011 $ 295,025        
Weighted average interest rate 7.19% 8.23%        
Weighted average remaining maturities 1 year 6 months 8 months 12 days        
Mortgage servicing rights, at fair value $ 2,984,937 $ 3,213,113 $ 3,021,790 $ 3,273,956 $ 3,226,191 $ 2,191,578
Weighted average underlying loan coupon of mortgage servicing rights pledged as collateral for borrowings 3.33% 3.28%        
Restricted cash $ 443,026 $ 400,777        
Restricted Cash and Cash Equivalents Pledged as Restricted Collateral for Borrowings [Member]            
Debt Instrument [Line Items]            
Restricted cash 324,854 343,292        
Asset Pledged as Collateral            
Debt Instrument [Line Items]            
Mortgage servicing rights, at fair value 3,000,000 3,200,000        
Term notes payable            
Debt Instrument [Line Items]            
Principal amount of term notes payable repurchased   104,200        
Cost of term notes payable repurchased   101,000        
Gain on repurchase of outstanding borrowings   2,900        
Term notes payable | Restricted Cash and Cash Equivalents Pledged as Restricted Collateral for Borrowings [Member]            
Debt Instrument [Line Items]            
Restricted cash 200 200        
Term notes payable | Asset Pledged as Collateral            
Debt Instrument [Line Items]            
Mortgage servicing rights, at fair value $ 500,000 $ 398,400