v3.26.1
Mortgage Servicing - Schedule of Product and Geographic Concentration (Details)
$ in Thousands
6 Months Ended 12 Months Ended
Jun. 30, 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 $ 36,704,362 $ 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 14.00% 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 7.00% 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 43.00% 41.00%
Number of states | state 0 0
Fannie Mae | MSRs    
Mortgage Servicing    
Product Concentrations, UPB $ 24,419,734 $ 24,085,960
Fannie Mae | MSRs | Fee-based servicing portfolio    
Mortgage Servicing    
Product Concentrations, % of Total 66.00% 66.00%
Freddie Mac | MSRs    
Mortgage Servicing    
Product Concentrations, UPB $ 7,672,121 $ 7,455,088
Freddie Mac | MSRs | Fee-based servicing portfolio    
Mortgage Servicing    
Product Concentrations, % of Total 21.00% 21.00%
Private Label | MSRs    
Mortgage Servicing    
Product Concentrations, UPB $ 2,477,077 $ 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 $ 1,585,871 $ 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 $ 277,333 $ 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 $ 272,226 $ 277,490
SFR - Fixed Rate | MSRs | Fee-based servicing portfolio    
Mortgage Servicing    
Product Concentrations, % of Total 1.00% 1.00%