Annual report pursuant to Section 13 and 15(d)

Mortgage Servicing Rights, at Fair Value - Narrative (Details)

v3.22.4
Mortgage Servicing Rights, at Fair Value - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended 12 Months Ended
Mar. 31, 2021
Dec. 31, 2021
Dec. 31, 2022
Dec. 31, 2020
Servicing Assets at Fair Value [Line Items]        
Contractually specified servicing fees, late fees, and other ancillary servicing revenue $ 13.0 $ 43.4 $ 35.0 $ 18.1
Servicing Asset, Fair Value, Change in Fair Value, Other, Statement of Income or Comprehensive Income [Extensible Enumeration]     Fee income  
Mortgage Servicing Rights Financing Liability        
Servicing Assets at Fair Value [Line Items]        
Cumulative percentage change in fair value of servicing rights, liabilities     10.00%  
Asset Pledged as Collateral with Right        
Servicing Assets at Fair Value [Line Items]        
MSR   $ 142.4 $ 60.6