XML 104 R82.htm IDEA: XBRL DOCUMENT v3.20.2
Mortgage Servicing - Narrative (Details) - USD ($)
$ in Millions
9 Months Ended
Sep. 30, 2020
Dec. 31, 2019
Sep. 30, 2019
Servicing Assets at Fair Value [Line Items]      
UPB of loans acquired $ 9,900.0   $ 11,900.0
UPB of MSRs sold 55.7    
Float balances 2,000.0 $ 1,700.0 $ 2,100.0
Fair Value Non-Agency Mortgage Servicing Rights      
Servicing Assets at Fair Value [Line Items]      
UPB of MSRs sold $ 116.1