XML 44 R34.htm IDEA: XBRL DOCUMENT v3.22.2
Derivative Instruments - Narrative (Details) - Call Option
MMBTU in Millions
6 Months Ended
Jun. 30, 2022
MMBTU
option
Derivative Instruments and Hedging Activities Disclosures [Line Items]  
Derivative, Nonmonetary Notional Amount, Energy Measure | MMBTU 2.0
Number of instruments held | option 3
Term of contract 2 years