Derivative Instruments Credit Rating - USD ($) |
Jun. 30, 2024 |
Dec. 31, 2023 |
Jun. 30, 2023 |
|---|---|---|---|
| Collateral Posted with NW Natural Counterparties [Member] | |||
| Derivative [Line Items] | |||
| Additional Collateral, Aggregate Fair Value | $ 0 | $ 0 | |
| Northwest Natural Gas Company [Member] | |||
| Derivative [Line Items] | |||
| Derivative Asset, Fair Value, Amount Not Offset Against Collateral | 5,400,000 | $ 9,000,000.0 | 8,400,000 |
| Derivative liability | $ 59,200,000 | $ 124,200,000 | $ 61,200,000 |
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- Definition The aggregate fair value of assets that are already posted, at the end of the reporting period, as collateral for derivative instruments with credit-risk-related contingent features. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Fair value, after offset of derivative liability, of financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, before offset against an obligation to return collateral under a master netting arrangement. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Fair value, after offset of derivative asset, of financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, elected not to be and before offset against a right to receive collateral under a master netting arrangement. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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