XML 67 R59.htm IDEA: XBRL DOCUMENT
v3.23.1

Pension and Other Postretirement Employee Benefits (Narrative) (Details) - USD ($) | 3 Months Ended
--- | ---
Mar. 31, 2023 | Mar. 31, 2022
Defined Benefit Plan Disclosure [Line Items] |  |
Funding of pension and other postretirement benefit plans | $ 1,087,000 | $ 1,296,000
Pension Plans [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Change in participants pension benefits | 0 |
Non-cash pretax settlement charge | $ 14,200,000 |
Qualified Plan [Member] | Pension Plans [Member] | Funded with Plan Assets [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Transfer of outstanding pension benefit obligation related to qualified pension plans to insurance company |  | 75,600,000
Reduction in funded status of qualified pension plans |  | $ 6,200,000

X
- Definition Defined benefit plan settlement benefit obligation before tax. + References No definition available. + Details
Name: | pch_DefinedBenefitPlanSettlementBenefitObligationBeforeTax
Namespace Prefix: | pch_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Transfer of defined benefit plan benefit obligation related to qualified plan to insurance company. + References No definition available. + Details
Name: | pch_TransferOfDefinedBenefitPlanBenefitObligationRelatedToQualifiedPlanToInsuranceCompany
Namespace Prefix: | pch_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of (increase) decrease to benefit obligation of defined benefit plan from remeasurement due to settlement. Excludes decrease to benefit obligation for settlement payment. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a)(10) -URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
Name: | us-gaap_DefinedBenefitPlanBenefitObligationIncreaseDecreaseForRemeasurementDueToSettlement
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of increase (decrease) in benefit obligation of defined benefit plan. + References No definition available. + Details
Name: | us-gaap_DefinedBenefitPlanBenefitObligationPeriodIncreaseDecrease
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- 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
Name: | us-gaap_DefinedBenefitPlanDisclosureLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of cash outflow for pension and other postretirement benefits. Includes, but is not limited to, employer contribution to fund plan asset and payment to retiree. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -Subparagraph (g) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3536-108585 + Details
Name: | us-gaap_PensionAndOtherPostretirementBenefitContributions
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_RetirementPlanTypeAxis=us-gaap_PensionPlansDefinedBenefitMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RetirementPlanTaxStatusAxis=us-gaap_QualifiedPlanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RetirementPlanFundingStatusAxis=us-gaap_FundedPlanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |