ALLOWANCE FOR RISK-SHARING OBLIGATIONS - CECL Provision Impact (Details) $ in Millions |
3 Months Ended | 9 Months Ended | ||||||
|---|---|---|---|---|---|---|---|---|
|
Sep. 30, 2026
USD ($)
|
Jun. 30, 2026
USD ($)
|
Mar. 31, 2026
USD ($)
|
Sep. 30, 2025
USD ($)
|
Jun. 30, 2025
USD ($)
|
Mar. 31, 2025
USD ($)
|
Sep. 30, 2026
USD ($)
|
Sep. 30, 2025
USD ($)
|
|
| ALLOWANCE FOR RISK-SHARING OBLIGATIONS | ||||||||
| Forecast-period loss rate | 0.021 | 0.021 | 0.021 | 0.021 | 0.021 | 0.021 | ||
| Reversion-period loss rate | 0.012 | 0.012 | 0.012 | 0.012 | 0.012 | 0.012 | ||
| Historical loss rate | 0.003 | 0.003 | 0.003 | 0.003 | 0.003 | 0.003 | ||
| At-risk Fannie Mae servicing portfolio UPB | $ 70,300.0 | $ 69,500.0 | $ 68,900.0 | $ 66,000.0 | $ 64,700.0 | $ 63,600.0 | ||
| CECL allowance | 25.3 | $ 25.4 | 25.4 | 24.8 | 24.6 | 24.4 | ||
| Provision (benefit) for CECL allowance | $ (0.1) | $ 0.4 | $ 0.1 | $ 0.2 | $ 0.2 | $ 0.3 | $ 0.5 | |