v3.25.2
Fair Value Measurements - Fair Value Option on Consolidated VIEs (Details) - VIE - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Dec. 31, 2024
Mortgage loans          
Fair Value Option, Quantitative Disclosures          
Fair value         $ 140.6
Aggregate contractual principal         140.6
Other loans          
Fair Value Option, Quantitative Disclosures          
Fair value $ 119.0   $ 119.0   129.0
Aggregate contractual principal 125.4   125.4   139.9
Change in fair value pre-tax gain (loss) - instrument specific credit risk (2.9) $ (6.1) (1.3) $ (11.4)  
Change in fair value pre-tax gain (loss) (2.9) (6.1) (1.3) (11.4)  
Interest income $ 2.9 $ 11.2 $ 7.1 $ 18.4  
Long-term debt          
Fair Value Option, Quantitative Disclosures          
Fair value         21.8
Aggregate contractual principal         $ 21.8