XML 105 R56.htm IDEA: XBRL DOCUMENT
v3.24.0.1

COMMITMENTS AND CONTINGENCIES (Details) $ in Millions | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($)
--- | --- | ---
Commitments and Contingencies [Line Items] |  |
Number Of Former Manufactured Gas Sites Where We Own Or Retain Legal Responsibility For Environmental Conditions | 12 |
Number of sites where regulatory closure has been achieved | 5 |
Deferred MGP Costs, Maximum | $ 15.0 |
Regulatory Asset for Costs Associated with Manufactured Gas Sites | $ 32.0 | $ 29.8
Number of sites with ongoing groundwater monitoring | 7 |
Accrual for Environmental Loss Contingencies | $ 14.3 | $ 12.7

X
- Definition [Line Items] for Disclosure of commitments and contingencies [Table] + References No definition available. + Details
Name: | ogs_CommitmentsandContingenciesLineItems
Namespace Prefix: | ogs_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Deferred MGP Costs, Maximum + References No definition available. + Details
Name: | ogs_DeferredMGPCostsMaximum
Namespace Prefix: | ogs_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Number of former manufactured gas sites where we own or retain legal responsibility. + References No definition available. + Details
Name: | ogs_NumberOfFormerManufacturedGasSitesWhereWeOwnOrRetainLegalResponsibilityForEnvironmentalConditions
Namespace Prefix: | ogs_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of sites where regulatory closure has been achieved + References No definition available. + Details
Name: | ogs_NumberOfSitesWhereRegulatoryClosureHasBeenAchieved
Namespace Prefix: | ogs_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of sites where groundwater continues to be monitored in accordance to plans approved by the KDHE. + References No definition available. + Details
Name: | ogs_Numberofsiteswithongoinggroundwatermonitoring
Namespace Prefix: | ogs_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Regulatory Asset for Costs Associated with Manufactured Gas Sites + References No definition available. + Details
Name: | ogs_RegulatoryAssetForCostsAssociatedWithManufacturedGasSites
Namespace Prefix: | ogs_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Total costs accrued as of the balance sheet date for environmental loss contingencies. + References Reference 1: http://www.xbrl.org/2003/role/recommendedDisclosureRef -Topic 410 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Subparagraph (d)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481931/410-30-50-10 Reference 2: http://www.xbrl.org/2003/role/recommendedDisclosureRef -Topic 410 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Subparagraph (d)(3) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481931/410-30-50-10 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 410 -SubTopic 30 -Name Accounting Standards Codification -Section 55 -Paragraph 16 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481899/410-30-55-16 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 450 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483076/450-20-50-1 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 450 -SubTopic 20 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 5.Y.Q1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480102/450-20-S99-1 Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 410 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 7 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481931/410-30-50-7 + Details
Name: | us-gaap_AccrualForEnvironmentalLossContingencies
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant