COMMITMENTS AND CONTINGENCIES (Details) $ in Thousands |
Jun. 30, 2026
USD ($)
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Dec. 31, 2025
USD ($)
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|---|---|---|
| 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 with ongoing groundwater monitoring | 7 | |
| Number of sites where regulatory closure has been achieved | 5 | |
| Deferred MGP Costs, Maximum | $ 32,000 | |
| Deferred MGP Costs, Maximum | 15,000 | |
| Regulatory Asset for Costs Associated with Manufactured Gas Sites | 30,300 | $ 30,100 |
| Accrual for Environmental Loss Contingencies | 13,000 | $ 13,700 |
| Purchase Obligation | 24,800 | |
| Purchase Commitment, Remaining Minimum Amount Committed | 19,800 | |
| Purchase Commitment, Amount Paid | $ 5,000 |
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- Definition [Line Items] for Disclosure of commitments and contingencies [Table] No definition available.
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- Definition Deferred MGP Costs, Maximum No definition available.
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- Definition Deferred MGP Costs, Original Maximum No definition available.
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- Definition Number of former manufactured gas sites where we own or retain legal responsibility. No definition available.
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- Definition Number of sites where regulatory closure has been achieved No definition available.
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- Definition Number of sites where groundwater continues to be monitored in accordance to plans approved by the KDHE. No definition available.
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- Definition Purchase Commitment, Amount Paid No definition available.
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- Definition Regulatory Asset for Costs Associated with Manufactured Gas Sites No definition available.
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- Definition Total costs accrued as of the balance sheet date for environmental loss contingencies. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Minimum amount to be expended to satisfy the terms of arrangements in which the entity has agreed to expend funds to procure goods or services, excluding long-term purchase commitments or unconditional purchase obligations. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Minimum amount of purchase arrangement in which the entity has agreed to expend funds to procure goods or services from a supplier. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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