Fair Value Measurements (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2022 |
Jun. 30, 2021 |
Jun. 30, 2022 |
Jun. 30, 2021 |
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| Fair Value Measurements (Details) [Line Items] | ||||
| Power curtailment credits | $ 1.1 | $ 1.1 | ||
| Fair value of derivative asset | $ 0.2 | $ 0.2 | ||
| Discount Rate [Member] | ||||
| Fair Value Measurements (Details) [Line Items] | ||||
| Discount rate | 21.00% | |||
| Level 3 [Member] | ||||
| Fair Value Measurements (Details) [Line Items] | ||||
| Changes in fair value | 60.9 | $ 104.6 | ||
| Level 3 [Member] | Demand Response Programs [Member] | ||||
| Fair Value Measurements (Details) [Line Items] | ||||
| Change in fair value of derivative asset | $ 5.7 | $ 8.3 | ||
| Whinstone [Member] | Discount Rate [Member] | ||||
| Fair Value Measurements (Details) [Line Items] | ||||
| Discount rate | 21.00% | |||
| Whinstone [Member] | Standard & Poor's [Member] | ||||
| Fair Value Measurements (Details) [Line Items] | ||||
| Discount rate | 2.50% | |||
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- Definition Power curtailment credits. No definition available.
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- Definition Discount rate. No definition available.
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- Definition Change in fair value of derivative asset. No definition available.
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- References No definition available.
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- Definition For each line item in the statement of financial position, the amounts of gains and losses from fair value changes included in earnings. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of addition (reduction) to the amount at which a liability could be incurred (settled) in a current transaction between willing parties. No definition available.
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