XML 48 R37.htm IDEA: XBRL DOCUMENT v3.24.3
Fair Value - Debt Portfolio (Details) - Unsecured Senior Notes - USD ($)
$ in Millions
Sep. 30, 2024
Dec. 31, 2023
Debt Instrument    
Total principal outstanding $ 185.0 $ 185.0
Level 2 inputs    
Debt Instrument    
Fair value of debt $ 185.3 $ 183.2