Customer Acquisitions (Details) $ in Millions	1 Months Ended					12 Months Ended
	Aug. 31, 2022 kWh	Jun. 30, 2022 USD ($)	Jan. 31, 2022 USD ($) customer	Jul. 31, 2021 kWh	May 31, 2021 USD ($) kWh	Dec. 31, 2022 USD ($) kWh
Residential Customer Equivalent
Asset Acquisition [Line Items]
Residential customer equivalent (in kwh) | kWh	18,700			50,000		45,000
Payments to acquire assets						$ 7.5
Asset acquisition, escrow deposit						1.7
Period of contingency	5 years			5 years
Residential Customer Equivalent | Customer Contracts
Asset Acquisition [Line Items]
Payments to acquire assets						9.2
Residential Customer Equivalent | Starion Energy Inc.
Asset Acquisition [Line Items]
Residential customer equivalent (in kwh) | kWh					56,900
Payments to acquire assets					$ 11.5
Related holdbacks						1.7
Reduction in residential customer equivalents						$ 2.3
Broker Contracts
Asset Acquisition [Line Items]
Number of customers | customer			1,000
Asset acquisition, broker contract cash price			$ 0.4
Rights to Broker Contracts
Asset Acquisition [Line Items]
Payments to acquire assets		$ 0.3
Number of customers | customer			900
Asset acquisition, consideration			$ 0.6
Asset acquisition, consideration, deposit			$ 0.3