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Mortgage Servicing - Schedule of Product and Geographic Concentration (Details) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2026 USD ($) state	Dec. 31, 2025 USD ($) state
Mortgage Servicing
Concentration risk, threshold for disclosure	4.00%	4.00%
MSRs
Mortgage Servicing
Product Concentrations, UPB	$ 36,311,087	$ 36,203,807
MSRs | Fee-based servicing portfolio
Mortgage Servicing
Product Concentrations, % of Total	100.00%	100.00%
New York | MSRs | Fee-based servicing portfolio
Mortgage Servicing
Product Concentrations, % of Total	13.00%	13.00%
Texas | MSRs | Fee-based servicing portfolio
Mortgage Servicing
Product Concentrations, % of Total	10.00%	10.00%
North Carolina | MSRs | Fee-based servicing portfolio
Mortgage Servicing
Product Concentrations, % of Total	8.00%	8.00%
California | MSRs | Fee-based servicing portfolio
Mortgage Servicing
Product Concentrations, % of Total	7.00%	7.00%
Florida | MSRs | Fee-based servicing portfolio
Mortgage Servicing
Product Concentrations, % of Total	6.00%	7.00%
New Jersey | MSRs | Fee-based servicing portfolio
Mortgage Servicing
Product Concentrations, % of Total	6.00%	5.00%
Georgia | MSRs | Fee-based servicing portfolio
Mortgage Servicing
Product Concentrations, % of Total	5.00%	5.00%
Illinois | MSRs | Fee-based servicing portfolio
Mortgage Servicing
Product Concentrations, % of Total		4.00%
Other | MSRs | Fee-based servicing portfolio
Mortgage Servicing
Product Concentrations, % of Total	45.00%	41.00%
Number of states | state	0	0
Fannie Mae | MSRs
Mortgage Servicing
Product Concentrations, UPB	$ 24,261,724	$ 24,085,960
Fannie Mae | MSRs | Fee-based servicing portfolio
Mortgage Servicing
Product Concentrations, % of Total	67.00%	66.00%
Freddie Mac | MSRs
Mortgage Servicing
Product Concentrations, UPB	$ 7,368,979	$ 7,455,088
Freddie Mac | MSRs | Fee-based servicing portfolio
Mortgage Servicing
Product Concentrations, % of Total	20.00%	21.00%
Private Label | MSRs
Mortgage Servicing
Product Concentrations, UPB	$ 2,554,209	$ 2,558,048
Private Label | MSRs | Fee-based servicing portfolio
Mortgage Servicing
Product Concentrations, % of Total	7.00%	7.00%
FHA | MSRs
Mortgage Servicing
Product Concentrations, UPB	$ 1,584,644	$ 1,549,483
FHA | MSRs | Fee-based servicing portfolio
Mortgage Servicing
Product Concentrations, % of Total	4.00%	4.00%
Bridge | MSRs
Mortgage Servicing
Product Concentrations, UPB	$ 277,523	$ 277,738
Bridge | MSRs | Fee-based servicing portfolio
Mortgage Servicing
Product Concentrations, % of Total	1.00%	1.00%
SFR - Fixed Rate | MSRs
Mortgage Servicing
Product Concentrations, UPB	$ 264,008	$ 277,490
SFR - Fixed Rate | MSRs | Fee-based servicing portfolio
Mortgage Servicing
Product Concentrations, % of Total	1.00%	1.00%

X

- Definition

Number of states accounted for more than 4% of unpaid principal balance and related servicing revenues.

+ References

No definition available.

+ Details

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- Definition

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+ References

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- Definition

The percentage of unpaid principal balance to total unpaid principal balance as of the balance sheet date.

+ References

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- Definition

This is the result of the principal amount outstanding of total loans managed or securitized less securitized loans and loans that are in the process of being securitized.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
-Subparagraph (a)
-Paragraph 4
-SubTopic 20
-Topic 860
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481326/860-20-50-4

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