Sale of Stock, Percentage Of Ownership After Transaction, Non-Parent

No definition available.

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- Definition

Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-SubTopic 10
-Topic 505
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481112/505-10-50-2

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(29))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.6-05(4))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479170/946-210-S99-2

Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 3
-Subparagraph (SX 210.6-09(4)(b))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479134/946-220-S99-3

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-04(16)(a))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479170/946-210-S99-1

Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 3
-Subparagraph (SX 210.6-09(7))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479134/946-220-S99-3

+ Details

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Balance Type:	na
Period Type:	instant

- Definition

Cash received on stock transaction after deduction of issuance costs.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of subsidiary's or equity investee's stock owned by parent company after stock transaction.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- 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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- Details

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- Details

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- Details

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- Details

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Description of Business (Details) - USD ($) $ in Millions							1 Months Ended		2 Months Ended
Description of Business (Details) - USD ($) $ in Millions	Nov. 14, 2025	Sep. 05, 2025	Aug. 11, 2025	Jul. 08, 2025	Apr. 22, 2024	Apr. 13, 2024	Dec. 28, 2025	Jun. 18, 2025	Jul. 08, 2025	Dec. 29, 2024
Subsidiary, Sale of Stock [Line Items]
Sale of stock, net proceed received	$ 250.9
Common stock outstanding (in shares)							100,724,862			88,517,521
Percentage of ownership after transaction	14.20%
IPO
Subsidiary, Sale of Stock [Line Items]
Sale of stock, net proceed received					$ 327.7
Private Placement
Subsidiary, Sale of Stock [Line Items]
Sale of stock (in shares)	3,488,372
Public Offering
Subsidiary, Sale of Stock [Line Items]
Sale of stock (in shares)	7,441,860
Underwriters Option Exercised
Subsidiary, Sale of Stock [Line Items]
Sale of stock (in shares)							1,116,279
Southwest Gas Holdings
Subsidiary, Sale of Stock [Line Items]
Sale of stock (in shares)		27,362,210	17,250,000					21,562,500
Common stock outstanding (in shares)			27,362,210	46,185,710	71,665,592				46,185,710
Percentage of ownership after sale of stock			31.00%	52.00%	81.00%
Southwest Gas Holdings \| Private Placement
Subsidiary, Sale of Stock [Line Items]
Sale of stock (in shares)			1,573,500						3,917,382
Southwest Gas Holdings \| Previously Reported
Subsidiary, Sale of Stock [Line Items]
Sale of stock (in shares)						71,664,592