The total amount of option payments for development rights required under terms of agreement.

No definition available.

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- Definition

Generating unit capacity, in megawatts.

+ References

No definition available.

+ Details

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- Definition

The number of new coal-fired generating units that may be allowed if permit issued by regulatory authority.

+ References

No definition available.

+ Details

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- Definition

The cash outflow from amounts paid for development rights under option.

+ 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

Development costs incurred, including capitalized costs and costs charged to expense, in oil and gas activities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 932
-SubTopic 235
-Section 50
-Paragraph 18
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=68064819&loc=d3e62014-109447

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- Details

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- Details

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LEGAL - Purchase Option and Development Agreement (Details) - Holcomb Station Project $ in Millions		1 Months Ended	3 Months Ended	12 Months Ended
	Dec. 16, 2010 facility MW	Jul. 31, 2007 USD ($)	Mar. 31, 2017 USD ($)	Dec. 31, 2008 USD ($)
Other Deferred Charges
Purchase Option and Development Agreement
Project development costs incurred			$ 92.7
Sunflower and other Sunflower parties \| Purchase Option and Development Agreement
Purchase Option and Development Agreement
Total amount of option payments		$ 55.0
Option payments made for development rights		$ 25.0		$ 5.0
Number of new coal-fired generating units if permit issued \| facility	1
Generating unit capacity (in megawatts) \| MW	895