XML 69 R56.htm IDEA: XBRL DOCUMENT v3.21.2
Derivative Instruments (Narrative) (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2020
Not Designated as Hedging Instrument    
Derivative Instruments, Gain (Loss) [Line Items]    
Net gains (losses) on derivatives not designated as hedging instruments $ 1.4 $ 1.3