XML 78 R61.htm IDEA: XBRL DOCUMENT v3.22.4
Significant Accounting Policies - Derivative Accounting (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Derivative Instruments, Gain (Loss) [Line Items]    
Notional derivative contracts $ 2,842,846 $ 6,589,856
CME    
Derivative Instruments, Gain (Loss) [Line Items]    
Notional derivative contracts $ 2,600,000  
Percent of total notional derivative contracts 92.20%  
Amount of variation margin included as settlement $ (58,000)  
LCH    
Derivative Instruments, Gain (Loss) [Line Items]    
Notional derivative contracts $ 200,000  
Percent of total notional derivative contracts 7.80%  
Amount of variation margin included as settlement $ (7,000)  
Interest rate swaps    
Derivative Instruments, Gain (Loss) [Line Items]    
Notional derivative contracts $ 2,842,846 $ 5,536,096