Quarterly report pursuant to Section 13 or 15(d)

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

v3.22.2.2
Mortgage Servicing Rights, at Fair Value - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Mar. 31, 2021
Sep. 30, 2021
Sep. 30, 2022
Dec. 31, 2021
Servicing Assets at Fair Value [Line Items]            
Contractually specified servicing fees, late fees, and other ancillary servicing revenue $ 4.6 $ 14.4 $ 13.0 $ 28.1 $ 32.0  
Asset Pledged as Collateral with Right            
Servicing Assets at Fair Value [Line Items]            
MSRs $ 59.8       $ 59.8 $ 142.4