The maximum amount of aggregate sales under the Equity Distribution Agreement

No definition available.

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- Definition

The remaining amount of aggregate sales available under the Equity Distribution Agreement as of the balance sheet date

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

- Definition

Noncontrolling Interest, Increase From Noncontrolling Interest Receivable

+ References

No definition available.

+ Details

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- Definition

Shares Sold Under the Equity Distribution Agreement

+ References

No definition available.

+ Details

Name:	pegi_SharesSoldUndertheEquityDistributionAgreement
Namespace Prefix:	pegi_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Face amount or stated value per share of common stock.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(29))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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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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- Details

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Stockholders' Equity - Additional Information (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended	9 Months Ended
	Mar. 31, 2019	Sep. 30, 2019	Dec. 31, 2018
Subsidiary, Sale of Stock [Line Items]
Class A common stock, par value (in dollars per share)		$ 0.01	$ 0.01
Aggregate sales price		$ 200
Shares sold (in shares)		0
Aggregate offering price		$ 144
Broadview
Subsidiary, Sale of Stock [Line Items]
Pay-go contribution	$ 5