Increase (Decrease) in Utilities Operating Expense

No definition available.

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Balance Type:	debit
Period Type:	duration

- Definition

Aggregate fair value of all derivative liabilities designated as hedging instruments. Includes instruments designated as cash flow hedges, fair value hedges, and hedges of net investments in foreign operations.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

The number of derivative instruments of a particular group held by the entity.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5579245-113959

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
-URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5580258-113959

+ Details

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Period Type:	instant

- Definition

Period the derivative contract is outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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- Details

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- Details

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- Details

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- Details

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Derivative Instruments - Power Purchase Agreements (Details) $ in Thousands	1 Months Ended	3 Months Ended
	Mar. 31, 2019 agreement	Mar. 31, 2021 USD ($)	Mar. 31, 2020 USD ($)	Dec. 31, 2020 USD ($)
Derivative [Line Items]
Increase (decrease) in utilities expense		$ (100)	$ 400
Power Purchase Agreements
Derivative [Line Items]
Number of agreements \| agreement	2
Term of agreement	10 years
Cash flow hedging \| Power Purchase Agreements
Derivative [Line Items]
Fair value		(4,771)		$ (3,926)
Cash flow hedging \| Piscataway \| Calpine Energy Solutions, LLC
Derivative [Line Items]
Fair value		(2,534)		(2,162)
Cash flow hedging \| Chicago \| Calpine Energy Solutions, LLC
Derivative [Line Items]
Fair value		$ (2,237)		$ (1,764)