Percentage of cash flow distributions to members.

No definition available.

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- Definition

The decrease of net assets after tax equity transactions.

+ References

No definition available.

+ Details

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

No definition available.

+ Details

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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.

+ References

No definition available.

+ Details

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66011266&loc=d3e33918-111571

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- Definition

Amount of gain (loss) on sale or disposal of an equity method investment.

+ References

No definition available.

+ Details

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- Definition

The cash outflow from the amount invested for projects in hopes of getting a future return or interest from it.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3213-108585

+ Details

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Balance Type:	credit
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- Definition

The cash inflow from the sale of investment projects held by an entity in hopes of getting a future return or interest from it.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3179-108585

+ Details

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- Details

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- Details

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INVESTMENTS IN AFFILIATES - Tax equity transactions (Details) - USD ($) $ in Millions	1 Months Ended			12 Months Ended
	Dec. 31, 2015	Oct. 31, 2015	Aug. 31, 2015	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Class A membership interests
Tax equity transactions
Receipt of future cash flow distributions (as a percent)				51.00%
Class B membership interests
Tax equity transactions
Receipt of future cash flow distributions (as a percent)				49.00%
Tranquillity, Garland, and Roserock
Tax equity transactions
Payment received recognized as revenue						$ 190.4
Further contribution				$ 0.0	$ 123.2
Tranquillity
Tax equity transactions
Ownership percentage				49.00%	49.00%
Net assets derecognized						93.9
Tranquillity \| Class A membership interests
Tax equity transactions
Percentage of interest sold			100.00%
Proceeds from sale of membership interest			$ 100.0
Tranquillity \| Class B membership interests
Tax equity transactions
Ownership percentage			100.00%
Garland
Tax equity transactions
Ownership percentage				49.00%	49.00%
Net assets derecognized						56.4
Silverlake \| Class A membership interests
Tax equity transactions
Percentage of interest sold		100.00%
Proceeds from sale of membership interest		$ 49.0
Silverlake \| Class B membership interests
Tax equity transactions
Ownership percentage		100.00%
Roserock
Tax equity transactions
Ownership percentage				49.00%	49.00%
Net assets derecognized						$ 23.5
Roserock \| Class A membership interests
Tax equity transactions
Percentage of interest sold	100.00%
Proceeds from sale of membership interest	$ 45.0
Roserock \| Class B membership interests
Tax equity transactions
Ownership percentage	100.00%					100.00%