Investments in Servicing Related Assets, Geographic Concentration (Details)	Dec. 31, 2025	Dec. 31, 2024
Servicing Related Assets, Geographic Concentration [Abstract]
Outstanding unpaid principal balance	100.00%	100.00%
California [Member]
Servicing Related Assets, Geographic Concentration [Abstract]
Outstanding unpaid principal balance	14.80%	14.60%
Virginia [Member]
Servicing Related Assets, Geographic Concentration [Abstract]
Outstanding unpaid principal balance	8.80%	8.70%
New York [Member]
Servicing Related Assets, Geographic Concentration [Abstract]
Outstanding unpaid principal balance	8.50%	8.40%
Maryland [Member]
Servicing Related Assets, Geographic Concentration [Abstract]
Outstanding unpaid principal balance	6.80%	6.70%
Texas [Member]
Servicing Related Assets, Geographic Concentration [Abstract]
Outstanding unpaid principal balance	5.80%	5.90%
Florida [Member]
Servicing Related Assets, Geographic Concentration [Abstract]
Outstanding unpaid principal balance	5.30%	5.30%
North Carolina [Member]
Servicing Related Assets, Geographic Concentration [Abstract]
Outstanding unpaid principal balance	5.00%	5.00%
All Other [Member]
Servicing Related Assets, Geographic Concentration [Abstract]
Outstanding unpaid principal balance	45.00%	45.40%