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Mortgage Servicing (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 USD ($) state | Dec. 31, 2022 USD ($) state
Mortgage Servicing [Line Items] |  |
Escrow deposit | $ 1,600,000 | $ 1,700,000
Fee-based servicing portfolio |  |
Mortgage Servicing [Line Items] |  |
Escrow deposit | 1,500,000 | 1,500,000
MSRs |  |
Mortgage Servicing [Line Items] |  |
Product Concentrations, UPB | $ 30,983,455 | $ 27,998,029
MSRs | Fee-based servicing portfolio |  |
Mortgage Servicing [Line Items] |  |
Product and Geographic Concentrations, % of Total | 100.00% | 100.00%
Texas | MSRs | Fee-based servicing portfolio |  |
Mortgage Servicing [Line Items] |  |
Product and Geographic Concentrations, % of Total | 11.00% | 11.00%
New York | MSRs | Fee-based servicing portfolio |  |
Mortgage Servicing [Line Items] |  |
Product and Geographic Concentrations, % of Total | 11.00% | 11.00%
California | MSRs | Fee-based servicing portfolio |  |
Mortgage Servicing [Line Items] |  |
Product and Geographic Concentrations, % of Total | 8.00% | 8.00%
North Carolina | MSRs | Fee-based servicing portfolio |  |
Mortgage Servicing [Line Items] |  |
Product and Geographic Concentrations, % of Total | 8.00% | 8.00%
Georgia | MSRs | Fee-based servicing portfolio |  |
Mortgage Servicing [Line Items] |  |
Product and Geographic Concentrations, % of Total | 6.00% | 6.00%
Florida | MSRs | Fee-based servicing portfolio |  |
Mortgage Servicing [Line Items] |  |
Product and Geographic Concentrations, % of Total | 6.00% | 5.00%
New Jersey | MSRs | Fee-based servicing portfolio |  |
Mortgage Servicing [Line Items] |  |
Product and Geographic Concentrations, % of Total | 5.00% | 5.00%
Illinois | MSRs | Fee-based servicing portfolio |  |
Mortgage Servicing [Line Items] |  |
Product and Geographic Concentrations, % of Total | 4.00% | 4.00%
Other | MSRs | Fee-based servicing portfolio |  |
Mortgage Servicing [Line Items] |  |
Product and Geographic Concentrations, % of Total | 41.00% | 42.00%
Number of states | state | 0 | 0
Fannie Mae | MSRs |  |
Mortgage Servicing [Line Items] |  |
Product Concentrations, UPB | $ 21,264,578 | $ 19,038,124
Fannie Mae | MSRs | Fee-based servicing portfolio |  |
Mortgage Servicing [Line Items] |  |
Product and Geographic Concentrations, % of Total | 69.00% | 68.00%
Freddie Mac | MSRs |  |
Mortgage Servicing [Line Items] |  |
Product Concentrations, UPB | $ 5,181,933 | $ 5,153,207
Freddie Mac | MSRs | Fee-based servicing portfolio |  |
Mortgage Servicing [Line Items] |  |
Product and Geographic Concentrations, % of Total | 17.00% | 18.00%
Private Label | MSRs |  |
Mortgage Servicing [Line Items] |  |
Product Concentrations, UPB | $ 2,510,449 | $ 2,074,859
Private Label | MSRs | Fee-based servicing portfolio |  |
Mortgage Servicing [Line Items] |  |
Product and Geographic Concentrations, % of Total | 8.00% | 8.00%
FHA | MSRs |  |
Mortgage Servicing [Line Items] |  |
Product Concentrations, UPB | $ 1,359,624 | $ 1,155,893
FHA | MSRs | Fee-based servicing portfolio |  |
Mortgage Servicing [Line Items] |  |
Product and Geographic Concentrations, % of Total | 4.00% | 4.00%
Bridge | MSRs |  |
Mortgage Servicing [Line Items] |  |
Product Concentrations, UPB | $ 379,425 | $ 301,182
Bridge | MSRs | Fee-based servicing portfolio |  |
Mortgage Servicing [Line Items] |  |
Product and Geographic Concentrations, % of Total | 1.00% | 1.00%
SFR - Fixed Rate | MSRs |  |
Mortgage Servicing [Line Items] |  |
Product Concentrations, UPB | $ 287,446 | $ 274,764
SFR - Fixed Rate | MSRs | Fee-based servicing portfolio |  |
Mortgage Servicing [Line Items] |  |
Product and Geographic Concentrations, % of Total | 1.00% | 1.00%

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- Definition The designation of funds furnished by a borrower to a lender to assure future payments of the borrower's real estate taxes and insurance obligations with respect to a mortgaged property. Escrow deposits may be made for a variety of other purposes such as earnest money and contingent payments. This element excludes replacement reserves which are an escrow separately provided for within the US GAAP taxonomy. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 954 -SubTopic 440 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480327/954-440-50-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.10) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1 + Details
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