Commitments Commitments 2 (Details) - BVESI	12 Months Ended
	Dec. 31, 2022 unit
Purchase Commitment, Excluding Long-term Commitment [Line Items]
Number of renewable energy credits that would be purchased	578,000
Minimum
Purchase Commitment, Excluding Long-term Commitment [Line Items]
Derivative, Term of Contract	3 years
Maximum
Purchase Commitment, Excluding Long-term Commitment [Line Items]
Derivative, Term of Contract	5 years