Goodwill, Reporting Unit, Sensitivity analysis, Percentage Increase in Expected Return on Equity

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- Definition

Goodwill, Reporting Unit, Sensitivity analysis, Reduced Percentage of Fair Value in Excess of Carrying Value

+ References

No definition available.

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- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266

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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.

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- Definition

Percentage of fair value of reporting unit in excess of carrying amount.

+ References

No definition available.

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Goodwill (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Apr. 01, 2018	Dec. 31, 2017	Dec. 31, 2016	Apr. 01, 2016	Apr. 01, 2015
Schedule of Goodwill and Other Intangible Assets [Line Items]
Goodwill	$ 278,297		$ 278,297	$ 278,297
Public Service Company of New Mexico
Schedule of Goodwill and Other Intangible Assets [Line Items]
Goodwill	51,632	$ 51,600	51,632		$ 51,600	$ 51,600
Percentage of fair value in excess of carrying amount		19.00%			25.00%
Percentage increase in expected return on equity					0.50%	0.50%
Reduced percentage of fair value in excess of carrying value					18.00%
Texas-New Mexico Power Company
Schedule of Goodwill and Other Intangible Assets [Line Items]
Goodwill	$ 226,665	$ 226,700	$ 226,665		$ 226,700
Percentage of fair value in excess of carrying amount		32.00%			32.00%
Percentage increase in expected return on equity					0.50%
Reduced percentage of fair value in excess of carrying value					21.00%