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Mortgage Servicing - Schedule of Composition of Servicing UPB (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Servicing Assets at Fair Value [Line Items]
UPB	169,700.0	199,600.0
Servicing Asset at Fair Value, Amount	$ 2,272.2	$ 2,665.2	$ 2,250.1
UPB of loans transferred	$ 46,810.1	$ 37,571.1
NRZ
Servicing Assets at Fair Value [Line Items]
UPB	9,900.0
Owned Mortgage Servicing Rights
Servicing Assets at Fair Value [Line Items]
UPB	122,700.0	126,200.0
Servicing Asset at Fair Value, Amount	$ 1,604.6	$ 1,710.6
MAV Transferred Mortgage Servicing Rights
Servicing Assets at Fair Value [Line Items]
UPB	28,800.0	26,100.0
Servicing Asset at Fair Value, Amount	$ 422.8	$ 353.4

X

- Definition

Total of property assets serviced as measured by UPB.

+ References

No definition available.

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- Definition

Unpaid principal balance of forward loans transferred with servicing rights retained.

+ References

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X

- Definition

Fair value of an asset representing net future revenue from contractually specified servicing fees, late charges, and other ancillary revenues, in excess of future costs related to servicing arrangements.

+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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