Commitments and Contingencies (Details) - USD ($) $ in Millions		9 Months Ended
	Sep. 06, 2019	Sep. 30, 2020	Dec. 31, 2019
Litigation and regulatory matters
Loss Contingencies [Line Items]
Contingent liabilities		$ 19.7	$ 29.2
Indirect tax audits
Loss Contingencies [Line Items]
Contingent liabilities		2.0	$ 1.8
Verde Energy USA Ohio, LLC
Loss Contingencies [Line Items]
Damages sought	$ 1.9
Damages penalty	$ 0.7
Verde Energy USA, Inc.
Loss Contingencies [Line Items]
Damages penalty		1.0
Settlement		$ 0.1