Employee Benefit Plan, Schedule, Asset Held for Investment (Details) - EBP 002 $ in Thousands	12 Months Ended
Dec. 31, 2025 USD ($)
EBP, Schedule of Asset Held for Investment [Line Items]
EBP, Asset Held for Investment, Participant Loan, after Deemed Distribution	$ 23,589
EBP, Asset Held for Investment	$ 1,025,576
Minimum
EBP, Schedule of Asset Held for Investment [Line Items]
EBP, Asset Held for Investment, Participant Loan, Interest Rate	3.25%
Maximum
EBP, Schedule of Asset Held for Investment [Line Items]
EBP, Asset Held for Investment, Participant Loan, Interest Rate	8.50%
Investment, Identifier [Axis]: American Funds 2010 Target Date Retirement Fund Class R6
EBP, Schedule of Asset Held for Investment [Line Items]
EBP, Investment, Issuer Name [Extensible Enumeration]	American Funds 2010 Target Date Retirement Fund Class R6 [Member]
EBP, Investment, Current Value, Type [Extensible Enumeration]	Mutual Fund [Member]
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value	$ 6,216
Investment, Identifier [Axis]: American Funds 2015 Target Date Retirement Fund Class R6
EBP, Schedule of Asset Held for Investment [Line Items]
EBP, Investment, Issuer Name [Extensible Enumeration]	American Funds 2015 Target Date Retirement Fund Class R6 [Member]
EBP, Investment, Current Value, Type [Extensible Enumeration]	Mutual Fund [Member]
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value	$ 4,695
Investment, Identifier [Axis]: American Funds 2020 Target Date Retirement Fund Class R6
EBP, Schedule of Asset Held for Investment [Line Items]
EBP, Investment, Issuer Name [Extensible Enumeration]	American Funds 2020 Target Date Retirement Fund Class R6 [Member]
EBP, Investment, Current Value, Type [Extensible Enumeration]	Mutual Fund [Member]
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value	$ 13,496
Investment, Identifier [Axis]: American Funds 2025 Target Date Retirement Fund Class R6
EBP, Schedule of Asset Held for Investment [Line Items]
EBP, Investment, Issuer Name [Extensible Enumeration]	American Funds 2025 Target Date Retirement Fund Class R6 [Member]
EBP, Investment, Current Value, Type [Extensible Enumeration]	Mutual Fund [Member]
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value	$ 25,449
Investment, Identifier [Axis]: American Funds 2030 Target Date Retirement Fund Class R6
EBP, Schedule of Asset Held for Investment [Line Items]
EBP, Investment, Issuer Name [Extensible Enumeration]	American Funds 2030 Target Date Retirement Fund Class R6 [Member]
EBP, Investment, Current Value, Type [Extensible Enumeration]	Mutual Fund [Member]
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value	$ 42,696
Investment, Identifier [Axis]: American Funds 2035 Target Date Retirement Fund Class R6
EBP, Schedule of Asset Held for Investment [Line Items]
EBP, Investment, Issuer Name [Extensible Enumeration]	American Funds 2035 Target Date Retirement Fund Class R6 [Member]
EBP, Investment, Current Value, Type [Extensible Enumeration]	Mutual Fund [Member]
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value	$ 56,248
Investment, Identifier [Axis]: American Funds 2040 Target Date Retirement Fund Class R6
EBP, Schedule of Asset Held for Investment [Line Items]
EBP, Investment, Issuer Name [Extensible Enumeration]	American Funds 2040 Target Date Retirement Fund Class R6 [Member]
EBP, Investment, Current Value, Type [Extensible Enumeration]	Mutual Fund [Member]
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value	$ 61,115
Investment, Identifier [Axis]: American Funds 2045 Target Date Retirement Fund Class R6
EBP, Schedule of Asset Held for Investment [Line Items]
EBP, Investment, Issuer Name [Extensible Enumeration]	American Funds 2045 Target Date Retirement Fund Class R6 [Member]
EBP, Investment, Current Value, Type [Extensible Enumeration]	Mutual Fund [Member]
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value	$ 63,852
Investment, Identifier [Axis]: American Funds 2050 Target Date Retirement Fund Class R6
EBP, Schedule of Asset Held for Investment [Line Items]
EBP, Investment, Issuer Name [Extensible Enumeration]	American Funds 2050 Target Date Retirement Fund Class R6 [Member]
EBP, Investment, Current Value, Type [Extensible Enumeration]	Mutual Fund [Member]
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value	$ 72,095
Investment, Identifier [Axis]: American Funds 2055 Target Date Retirement Fund Class R6
EBP, Schedule of Asset Held for Investment [Line Items]
EBP, Investment, Issuer Name [Extensible Enumeration]	American Funds 2055 Target Date Retirement Fund Class R6 [Member]
EBP, Investment, Current Value, Type [Extensible Enumeration]	Mutual Fund [Member]
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value	$ 65,999
Investment, Identifier [Axis]: American Funds 2060 Target Date Retirement Fund Class R6
EBP, Schedule of Asset Held for Investment [Line Items]
EBP, Investment, Issuer Name [Extensible Enumeration]	American Funds 2060 Target Date Retirement Fund Class R6 [Member]
EBP, Investment, Current Value, Type [Extensible Enumeration]	Mutual Fund [Member]
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value	$ 26,011
Investment, Identifier [Axis]: American Funds 2065 Target Date Retirement Fund Class R6
EBP, Schedule of Asset Held for Investment [Line Items]
EBP, Investment, Issuer Name [Extensible Enumeration]	American Funds 2065 Target Date Retirement Fund Class R6 [Member]
EBP, Investment, Current Value, Type [Extensible Enumeration]	Mutual Fund [Member]
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value	$ 12,194
Investment, Identifier [Axis]: American Funds American Mutual Fund Class R5E
EBP, Schedule of Asset Held for Investment [Line Items]
EBP, Investment, Issuer Name [Extensible Enumeration]	American Funds American Mutual Fund Class R5E [Member]
EBP, Investment, Current Value, Type [Extensible Enumeration]	Mutual Fund [Member]
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value	$ 28,709
Investment, Identifier [Axis]: Eaton Vance Atlanta Capital SMID-Cap Fund Class R6
EBP, Schedule of Asset Held for Investment [Line Items]
EBP, Investment, Issuer Name [Extensible Enumeration]	Eaton Vance Atlanta Capital SMID-Cap Fund Class R6 [Member]
EBP, Investment, Current Value, Type [Extensible Enumeration]	Mutual Fund [Member]
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value	$ 4,949
Investment, Identifier [Axis]: Federated Hermes Government Obligations Fund
EBP, Schedule of Asset Held for Investment [Line Items]
EBP, Investment, Issuer Name [Extensible Enumeration]	Federated Hermes Government Obligations Fund [Member]
EBP, Investment, Current Value, Type [Extensible Enumeration]	Money Market Funds [Member]
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value	$ 22,777
Investment, Identifier [Axis]: Fidelity 500 Index Fund
EBP, Schedule of Asset Held for Investment [Line Items]
EBP, Investment, Issuer Name [Extensible Enumeration]	Fidelity 500 Index Fund [Member]
EBP, Investment, Current Value, Type [Extensible Enumeration]	Mutual Fund [Member]
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value	$ 80,797
EBP, Asset Held for Investment, Party-in-Interest [true false]	true
Investment, Identifier [Axis]: Fidelity Balanced
EBP, Schedule of Asset Held for Investment [Line Items]
EBP, Investment, Issuer Name [Extensible Enumeration]	Fidelity Balanced [Member]
EBP, Investment, Current Value, Type [Extensible Enumeration]	Mutual Fund [Member]
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value	$ 26,224
EBP, Asset Held for Investment, Party-in-Interest [true false]	true
Investment, Identifier [Axis]: Fidelity Mid Cap Index Fund
EBP, Schedule of Asset Held for Investment [Line Items]
EBP, Investment, Issuer Name [Extensible Enumeration]	Fidelity Mid Cap Index Fund [Member]
EBP, Investment, Current Value, Type [Extensible Enumeration]	Mutual Fund [Member]
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value	$ 3,168
EBP, Asset Held for Investment, Party-in-Interest [true false]	true
Investment, Identifier [Axis]: Fidelity Small Cap Index Fund
EBP, Schedule of Asset Held for Investment [Line Items]
EBP, Investment, Issuer Name [Extensible Enumeration]	Fidelity Small Cap Index Fund [Member]
EBP, Investment, Current Value, Type [Extensible Enumeration]	Mutual Fund [Member]
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value	$ 1,399
EBP, Asset Held for Investment, Party-in-Interest [true false]	true
Investment, Identifier [Axis]: Fidelity U.S. Bond Index Fund
EBP, Schedule of Asset Held for Investment [Line Items]
EBP, Investment, Issuer Name [Extensible Enumeration]	Fidelity U.S. Bond Index Fund [Member]
EBP, Investment, Current Value, Type [Extensible Enumeration]	Mutual Fund [Member]
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value	$ 3,039
EBP, Asset Held for Investment, Party-in-Interest [true false]	true
Investment, Identifier [Axis]: Fidelity Global ex U.S. Index Fund
EBP, Schedule of Asset Held for Investment [Line Items]
EBP, Investment, Issuer Name [Extensible Enumeration]	Fidelity Global ex U.S. Index Fund [Member]
EBP, Investment, Current Value, Type [Extensible Enumeration]	Mutual Fund [Member]
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value	$ 3,846
EBP, Asset Held for Investment, Party-in-Interest [true false]	true
Investment, Identifier [Axis]: Invesco Short-Term Investments Trust Government & Agency Portfolio Institutional Class
EBP, Schedule of Asset Held for Investment [Line Items]
EBP, Investment, Issuer Name [Extensible Enumeration]	Invesco Short-Term Investments Trust Government & Agency Portfolio Institutional Class [Member]
EBP, Investment, Current Value, Type [Extensible Enumeration]	Money Market Funds [Member]
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value	$ 3,142
Investment, Identifier [Axis]: JPMorgan Large Cap Growth Fund Class R6
EBP, Schedule of Asset Held for Investment [Line Items]
EBP, Investment, Issuer Name [Extensible Enumeration]	JPMorgan Large Cap Growth Fund Class R6 [Member]
EBP, Investment, Current Value, Type [Extensible Enumeration]	Mutual Fund [Member]
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value	$ 88,599
Investment, Identifier [Axis]: JPMorgan Small Cap Equity Fund Class R5
EBP, Schedule of Asset Held for Investment [Line Items]
EBP, Investment, Issuer Name [Extensible Enumeration]	JPMorgan Small Cap Equity Fund Class R5 [Member]
EBP, Investment, Current Value, Type [Extensible Enumeration]	Mutual Fund [Member]
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value	$ 24,243
Investment, Identifier [Axis]: Loomis Sayles Investment Grade Bond Fund Class A
EBP, Schedule of Asset Held for Investment [Line Items]
EBP, Investment, Issuer Name [Extensible Enumeration]	Loomis Sayles Investment Grade Bond Fund Class A [Member]
EBP, Investment, Current Value, Type [Extensible Enumeration]	Mutual Fund [Member]
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value	$ 16,095
Investment, Identifier [Axis]: MFS International Diversification Fund Class R3
EBP, Schedule of Asset Held for Investment [Line Items]
EBP, Investment, Issuer Name [Extensible Enumeration]	MFS International Diversification Fund Class R3 [Member]
EBP, Investment, Current Value, Type [Extensible Enumeration]	Mutual Fund [Member]
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value	$ 20,713
Investment, Identifier [Axis]: Nomura Small Cap Value Fund Institutional Class
EBP, Schedule of Asset Held for Investment [Line Items]
EBP, Investment, Issuer Name [Extensible Enumeration]	Nomura Small Cap Value Fund Institutional Class [Member]
EBP, Investment, Current Value, Type [Extensible Enumeration]	Mutual Fund [Member]
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value	$ 3,844
Investment, Identifier [Axis]: ONE Gas, Inc.
EBP, Schedule of Asset Held for Investment [Line Items]
EBP, Investment, Issuer Name [Extensible Enumeration]	ONE Gas, Inc. [Member]
EBP, Investment, Current Value, Type [Extensible Enumeration]	Common Stock [Member]
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value	$ 65,614
EBP, Asset Held for Investment, Party-in-Interest [true false]	true
Investment, Identifier [Axis]: ONEOK, Inc.
EBP, Schedule of Asset Held for Investment [Line Items]
EBP, Investment, Issuer Name [Extensible Enumeration]	ONEOK, Inc. [Member]
EBP, Investment, Current Value, Type [Extensible Enumeration]	Common Stock [Member]
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value	$ 63,509
Investment, Identifier [Axis]: Vanguard Primecap Fund Admiral Share
EBP, Schedule of Asset Held for Investment [Line Items]
EBP, Investment, Issuer Name [Extensible Enumeration]	Vanguard Primecap Fund Admiral Share [Member]
EBP, Investment, Current Value, Type [Extensible Enumeration]	Mutual Fund [Member]
EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value	$ 91,254

Amount of total assets in schedule of asset held for investment of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Includes, but is not limited to, current value of investment, participant loan, and plan interest in master trust.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6A-05(a)(Schedule I))
-SubTopic 205
-Topic 962
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Employee Retirement Income Security Act of 1974
-Number 2520
-Section 103
-Subsection 10
-Paragraph b
-Subparagraph (1)
-Publisher DOL-EBSA

+ Details

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Namespace Prefix:	us-gaap-ebp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Current value of investment, excluding plan interest in master trust, in schedule of asset held for investment of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Includes, but is not limited to, derivative, investment measured at net asset value per share as practical expedient, and insurance contract.

+ References

+ Details

Name:	us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue
Namespace Prefix:	us-gaap-ebp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount, after deemed distribution, of participant loan in schedule of asset held for investment of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

+ References

+ Details

Name:	us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentParticipantLoanAfterDeemedDistribution
Namespace Prefix:	us-gaap-ebp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Indicates (true false) whether asset held for investment of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) was transacted with party-in-interest.

+ References

+ Details

Name:	us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentPartyInInterest
Namespace Prefix:	us-gaap-ebp_
Data Type:	xbrli:booleanItemType
Balance Type:	na
Period Type:	instant

- Definition

Indicates name of issuer of investment held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 962
-SubTopic 205
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6A-05(a)(Schedule I))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Employee Retirement Income Security Act of 1974
-Number 2520
-Section 103
-Subsection 6
-Paragraph d
-Subparagraph (1)(i)
-Publisher DOL-EBSA

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Employee Retirement Income Security Act of 1974
-Number 2520
-Section 103
-Subsection 10
-Paragraph b
-Subparagraph (2)(i)(A)
-Publisher DOL-EBSA

Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Employee Retirement Income Security Act of 1974
-Number 2520
-Section 103
-Subsection 10
-Paragraph b
-Subparagraph (1)(i)(A)
-Publisher DOL-EBSA

+ Details

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Namespace Prefix:	us-gaap-ebp_
Data Type:	enum2:enumerationSetItemType
Balance Type:	na
Period Type:	duration

- Definition

Indicates type of investment at current value held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 962
-SubTopic 205
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6A-05(a)(Schedule I))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Employee Retirement Income Security Act of 1974
-Number 2520
-Section 103
-Subsection 10
-Paragraph b
-Subparagraph (2)(i)(A)
-Publisher DOL-EBSA

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Employee Retirement Income Security Act of 1974
-Number 2520
-Section 103
-Subsection 10
-Paragraph b
-Subparagraph (1)(i)(A)
-Publisher DOL-EBSA

+ Details

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Namespace Prefix:	us-gaap-ebp_
Data Type:	enum2:enumerationSetItemType
Balance Type:	na
Period Type:	duration

- Definition

Interest rate on participant loan in schedule of asset held for investment of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

+ References

+ Details

Name:	us-gaap-ebp_EmployeeBenefitPlanParticipantLoanInterestRate
Namespace Prefix:	us-gaap-ebp_
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

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Employee Retirement Income Security Act of 1974
-Number 2520
-Section 103
-Subsection 10
-Paragraph b
-Subparagraph (1)(i)(B)
-Publisher DOL-EBSA

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 962
-SubTopic 205
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6A-05(a)(Schedule I))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Employee Retirement Income Security Act of 1974
-Number 2520
-Section 103
-Subsection 10
-Paragraph b
-Subparagraph (1)(i)(A)
-Publisher DOL-EBSA

Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Employee Retirement Income Security Act of 1974
-Number 2520
-Section 103
-Subsection 10
-Paragraph b
-Subparagraph (1)(i)(D)
-Publisher DOL-EBSA

Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Employee Retirement Income Security Act of 1974
-Number 2520
-Section 103
-Subsection 10
-Paragraph b
-Subparagraph (1)(i)(C)
-Publisher DOL-EBSA

+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
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