v3.20.2

ML&P Acquisition (Narrative) (Details) $ in Millions	1 Months Ended	9 Months Ended	12 Months Ended
ML&P Acquisition (Narrative) (Details) $ in Millions	Oct. 31, 2020 USD ($)	Sep. 30, 2020 USD ($) MW	Dec. 31, 2019 USD ($)	Dec. 31, 2018
Eklutna Power Purchase Agreement [Member]
Business Acquisition [Line Items]
Term of purchase commitment		35 years
ML&P Acquisition [Member]
Business Acquisition [Line Items]
Percentage of voters in favor of acquisition				65.08%
Percentage of voters against acquisition				34.92%
Term to set closing date after approval		120 days
Cash consideration	$ 757.8	$ 767.8
Payment in lieu of taxes, agreement period		50 years
Net book value of purchased assets threshhold triggering upward price adjustments			$ 715.4
ML&P Acquisition [Member] \| GVEA Memorandum of Understanding [Member]
Business Acquisition [Line Items]
Term of services agreement		3 years
Available power supply \| MW		5
Term of power supply agreement		5 years
Revenue		$ 10.0
Amendment No. 3 to Asset Purchase Agreement [Member]
Business Acquisition [Line Items]
Term to set closing date after approval		160 days
Reduction of upfront payment to MOA		$ 10.0	10.0
Net book value of purchased assets threshhold triggering upward price adjustments		0.0
Rate reduction account, funded by local government, benefiting legacy customers		$ 36.0	$ 36.0

Increase (decrease) in required payments to local government

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- Definition

Net book value of purchased assets threshhold triggering upward price adjustments

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- Definition

Payment in lieu of taxes, agreement period

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- Definition

Percentage of voters against acquisition

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- Definition

Percentage of voters in favor of acquisition

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- Definition

Rate reduction account, funded by local government, benefiting legacy customers

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- Definition

Supply agreement, Available power supply

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- Definition

Supply agreement, Commitment term

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Supply agreement, Term of power supply agreement

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- Definition

Term to set closing date after approval

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- 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.

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- Definition

Period covered by the long-term purchase commitment, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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No definition available.

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- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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- Definition

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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CHUGACH ELECTRIC ASSOCIATION INC 10-Q