XML 60 R49.htm IDEA: XBRL DOCUMENT v3.24.1.u1
Fair Value Measurements - Concentration of Credit Risk (Details) - Individual Counterparty [Member] - Concentration of credit risk - Credit exposure
$ in Millions
3 Months Ended
Mar. 31, 2024
USD ($)
counterparty
Concentration Risk [Line Items]  
Total credit risk $ 128.9
Concentration risk, percentage 10.00%
Cash collateral $ 71.3
Number of OTC Counterparties | counterparty 2