XML 159 R58.htm IDEA: XBRL DOCUMENT v3.20.4
DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES - Additional Information (Details)
12 Months Ended
Dec. 31, 2020
Counterparty
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
Number of derivative counterparties 6
Expected timing until exercise of exchange option 5 years 5 months 12 days