Dividends paid (in dollars per share) Common Stock, Dividends, Per Share, Cash Paid Award Timing Predetermined Award Timing Predetermined [Flag] Beginning Balance Total warranty reserves Standard and Extended Product Warranty Accrual Entity File Number Entity File Number Additional Paid-in Capital Additional Paid-in Capital [Member] Tabular List, Table Tabular List [Table Text Block] Net income per share of common stock: Earnings Per Share, Basic [Abstract] Schedule of Other Long-Term Liabilities Other Noncurrent Liabilities [Table Text Block] Schedule of Loss Contingencies by Contingency Schedule of Loss Contingencies by Contingency [Table Text Block] Goodwill [Line Items] Goodwill [Line Items] Timber Licenses License [Member] Taxes paid related to net settlement of stock-based awards Share-Based Payment Arrangement, Decrease for Tax Withholding Obligation Timber and timberlands Timber And Timber Licenses Timberland Intangible and Tangible Assets Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Other charges Other Expenses Net income per share, basic (in dollars per share) Earnings Per Share, Basic Adjustment to Compensation: Adjustment to Compensation [Axis] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Accounts payable and accrued liabilities Increase (Decrease) in Accounts Payable and Accrued Liabilities Revenue Revenue from Contract with Customer [Text Block] Other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax Schedule of Segment Reporting Information, by Segment Schedule of Segment Reporting Information, by Segment [Table Text Block] Adjustment to Compensation, Amount Adjustment to Compensation Amount Pension benefit obligation Pension Plan [Member] Impaired Long-Lived Asset, Held and Used [Table] Impaired Long-Lived Asset, Held and Used [Table] Employee Stock Option Share-Based Payment Arrangement, Option [Member] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Disaggregation of Revenue [Abstract] Income Tax Expense (Benefit), Discrete Items Income Tax Expense (Benefit), Discrete Items Income Tax Expense (Benefit), Discrete Items Total stockholders' equity Beginning balance Ending balance Equity, Attributable to Parent Loss on impairment Loss on impairment Asset Impairment Charges Payment of cash dividend Payment of dividends Payment of cash dividends Other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax [Abstract] Insider Trading Policies and Procedures [Line Items] Schedule of Property, Plant and Equipment Property, Plant and Equipment [Table Text Block] Common Stock, Shares Authorized Common Stock, Shares Authorized Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Intangible Assets Disclosure [Abstract] Total liabilities and stockholders' equity Liabilities and Equity OSB OSB Segment [Member] OSB [Member] LIABILITIES AND EQUITY Liabilities and Equity [Abstract] Impaired Long-Lived Assets Held and Used by Type [Axis] Impaired Long-Lived Assets Held and Used by Type [Axis] Weighted average useful life Finite-Lived Intangible Asset, Useful Life Finite-Lived Intangible Assets, Net Finite-Lived Intangible Assets, Net Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Treasury Stock Treasury Stock, Common [Member] Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Pay vs Performance Disclosure [Line Items] Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Salaries and wages payable Accrued Salaries, Current Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Income before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Entity Shell Company Entity Shell Company Other long-term liabilities Other long-term liabilities Other Liabilities, Noncurrent Operating Segments, Number Of Operating Plants Operating Segments, Number Of Operating Plants Operating Segments, Number Of Operating Plants Purchase of stock Common stock, Value, Shares acquired Common stock, Value, Shares acquired Taxes other than income taxes Accrual for Taxes Other than Income Taxes, Current Loss Contingency Nature [Axis] Loss Contingency Nature [Axis] Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Operating Segments Operating Segments [Member] Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Company Selected Measure Amount Company Selected Measure Amount Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Product type [Axis] Product type [Axis] Product type [Axis] Investment income Investment income Investment Income, Nonoperating Name Measure Name Current portion of 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Intangible Assets and Goodwill [Table Text Block] City Area Code Entity Address, City or Town Asset Impairment Charges [Abstract] Asset Impairment Charges [Abstract] CASH FLOWS FROM OPERATING ACTIVITIES: Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Entity Emerging Growth Company Entity Emerging Growth Company Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Common Stock, Shares, Outstanding Beginning balance (in shares) Ending balance (in shares) Common Stock, Shares, Outstanding Siding Solutions SmartSide Strand siding [Member] SmartSide Strand siding [Member] PEO PEO [Member] Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] Commodity Commodity Products [Member] Commodity Products Logs Logs Logs Accrued Income Taxes, Current Accrued Income Taxes, Current Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Schedule of Product Warranty Liability Schedule of Product Warranty Liability [Table Text Block] Retained Earnings Retained Earnings [Member] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Restatement Determination Date Restatement Determination Date Cash, cash equivalents and restricted cash at beginning of period Cash, cash equivalents and restricted cash at end of period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Income Statement [Abstract] Income Statement [Abstract] Provision for income taxes Provision for income taxes Income Tax Expense (Benefit) Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Product and Service [Domain] Product and Service [Domain] Property, plant, and equipment Property, Plant and Equipment, Gross Property, Plant and Equipment Property, Plant and Equipment [Member] Net income Net income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table] Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table] Income taxes payable, net of receivables Increase (Decrease) in Income Taxes City Area Code City Area Code Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] All Trading Arrangements All Trading Arrangements [Member] Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Legal settlement Gain (Loss) from Litigation Settlement Adjusted EBITDA Adjusted EBITDA Adjusted EBITDA Purchase of stock (in shares) Common stock, Shares acquired Common stock, Shares acquired 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Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Impaired Long-Lived Assets Held and Used [Line Items] Impaired Long-Lived Assets Held and Used [Line Items] Movement in Standard and Extended Product Warranty Accrual, Increase (Decrease) [Roll Forward] Movement in Standard and Extended Product Warranty Accrual, Increase (Decrease) [Roll Forward] Other Performance Measure, Amount Other Performance Measure, Amount Entity Address, State or Province Entity Address, State or Province Operating Lease, Impairment Loss Operating Lease, Impairment Loss Total current liabilities Liabilities, Current Senior unsecured notes, maturing 2029 Senior unsecured notes, maturing 2029 [Member] Senior unsecured notes, maturing 2029 Individual: Individual [Axis] Additional paid-in capital Additional Paid in Capital, Common Stock Entities [Table] Entities [Table] Entity [Domain] Entity [Domain] Net cash used in investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Investments in and advances to affiliates Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Other operating income (expense) exclusive of product discontinuance charges Other operating income (expense) exclusive of product discontinuance charges Other operating income (expense) exclusive of product discontinuance charges Cash paid for interest, net Interest Paid, Excluding Capitalized Interest, Operating Activity Document Fiscal Year Focus Document Fiscal Year Focus Operating lease assets Operating Lease, Right-of-Use Asset Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Depreciation and amortization Other Depreciation and Amortization Effective Income Tax Rate Reconciliation, Percent Effective Income Tax Rate Reconciliation, Percent Entity Interactive Data Current Entity Interactive Data Current Warranty reserves Long-term portion of warranty reserves Product Warranty Accrual, Noncurrent Other Other Operating Segment [Member] Commitments and Contingencies Legal Matters and Contingencies [Text Block] Loss Contingency, Nature [Domain] Loss Contingency, Nature [Domain] Other Nonoperating Income Expense, Net of Debt Extinguishment Other Nonoperating Income Expense, Net of Debt Extinguishment Other Nonoperating Income Expense, Net of Debt Extinguishment Loss on impairment Asset impairment attributable to parent Asset impairment attributable to parent Deferred Tax Assets, Deferred Income Deferred Tax Assets, Deferred Income Buildings Building [Member] Other Selling, General and Administrative Expense Other Selling, General and Administrative Expense Selected Segment Data Segment Reporting Disclosure [Text Block] Schedule of Goodwill [Table] Goodwill [Table] Land, land improvements, and logging roads, net of road amortization Land, Land Improvements and Logging Roads, Net [Member] Land, Land Improvements and Logging Roads, Net Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Long-Lived Tangible Asset [Axis] Long-Lived Tangible Asset [Axis] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Accumulated Comprehensive Loss Comprehensive Income (Loss) Note [Text Block] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Table] Fair Value, Recurring and Nonrecurring [Table] Amortization of Intangible Assets Amortization of Intangible Assets Selling, general, and administrative expenses Selling, General and Administrative Expense Schedule of Accumulated Other Comprehensive Income (Loss) Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Depreciation and amortization Depreciation, Depletion and Amortization Other assets Other Assets, Noncurrent Entity Central Index Key Entity Central Index Key PEO Name PEO Name Other Other Product Types [Member] Other Product Types Net sales Revenues Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Investment in affiliates Payments to Acquire Interest in Subsidiaries and Affiliates Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Revolving Credit Facility Revolving Credit Facility [Member] Arrangement Duration Trading Arrangement Duration Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Other Other Sundry Liabilities, Noncurrent Schedule of Other Operating Cost and Expense, by Component Schedule of Other Operating Cost and Expense, by Component [Table Text Block] Segments [Axis] Segments [Axis] Prepaid expenses and other current assets Increase (Decrease) in Prepaid Expense and Other Assets Semi-finished inventories Inventory, Work in Process, Net of Reserves Current portion of warranty reserves Product Warranty Accrual, Current Exercise Price Award Exercise Price Entity Filer Category Entity Filer Category Local Phone Number Local Phone Number Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Trade receivables Accounts Receivable, before Allowance for Credit Loss, Current Other investing activities, net Payment for (Proceeds from) Other Investing Activity Other adjustments, net Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Other Item ASSETS Assets [Abstract] Credit Facility [Axis] Credit Facility [Axis] Underlying Security Market Price Change Underlying Security Market Price Change, Percent Debt Instrument [Axis] Debt Instrument [Axis] Fair Value Measurements Fair Value Disclosures [Text Block] Credit Facility [Domain] Credit Facility [Domain] Stockholders' equity: Equity, Attributable to Parent [Abstract] Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Other Other Expenses, Net Other Expenses, Net Entity Address, Address Line One Entity Address, Address Line One Entity Address, Address Line Two Entity Address, Address Line Two Product-line discontinuance charges Product line discontinuance charges Product line discontinuance charges Accumulated Comprehensive (Loss) Income AOCI Attributable to Parent AOCI Attributable to Parent [Member] Stated interest rate Debt Instrument, Interest Rate, Stated Percentage Allowance for doubtful accounts Allowance for doubtful accounts Accounts Receivable, Allowance for Credit Loss, Current Operating Lease liability, noncurrent Operating Lease, Liability, Noncurrent Impaired Long-Lived Assets Held and Used, Asset Name [Domain] Impaired Long-Lived Assets Held and Used, Asset Name [Domain] Product Warranties Commitments Contingencies and Guarantees [Text Block] Fair Value as of Grant Date Award Grant Date Fair Value Entity Registrant Name Entity Registrant Name Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Schedule of Other Nonoperating Income (Expense) Schedule of Other Nonoperating Income (Expense) [Table Text Block] Employee Benefits and Share-Based Compensation Employee Benefits and Share-Based Compensation Dilutive effect of employee stock plans (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements Document Quarterly Report Document Quarterly Report Debt, fair value Long-Term Debt, Fair Value Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Number of Operating Segments Number of Operating Segments OSB - Structural Solutions OSB - value-add [Member] OSB - value-add [Member] Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Schedule of Accounts Payable and Accrued Liabilities Schedule of Accounts Payable and Accrued Liabilities [Table Text Block] Machinery and equipment Machinery and Equipment [Member] Title Trading Arrangement, Individual Title Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Restatement Determination Date: Restatement Determination Date [Axis] Issuance of shares under stock plans Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture Non-PEO NEO Non-PEO NEO [Member] Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Document And Entity Information Document And Entity Information Document And Entity Information [Abstract] Other financing activities Proceeds from (Payment for) Other Financing Activity Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Name Trading Arrangement, Individual Name All Award Types Award Type [Domain] Letter of Credit Sub-limit Letter of Credit Sub-limit [Member] Letter of Credit Sub-limit Equity Awards Adjustments Equity Awards Adjustments [Member] Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Other Operating and Non-Operating Income Other Operating Income and Expense [Text Block] Compensation Amount Outstanding Recovery Compensation Amount Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Retirement Plan Type [Domain] Retirement Plan Type [Domain] MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Name Awards Close in Time to MNPI Disclosures, Individual Name Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Other products Other products [Member] Other products [Member] Compensation expense associated with stock-based compensation APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Treasury stock, 15 shares and 16 shares at cost as of September 30, 2025 and December 31, 2024, respectively Treasury Stock, Value Accumulated comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Long-term Debt and Lease Obligation Long-Term Debt and Lease Obligation Siding Siding Segment [Member] Siding [Member] Segments [Domain] Segments [Domain] Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Pension and post-retirement benefit obligations Defined Benefit Plan, Benefit Obligation Inventories Increase (Decrease) in Inventories Inventories Inventories Inventory, Net Developed Technology Developed Technology Rights [Member] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Company Selected Measure Name Company Selected Measure Name Senior Notes Senior Notes [Member] Accrued customer incentives Customer Incentive, Payable, Current Customer Incentive, Payable, Current Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] All Executive Categories All Executive Categories [Member] Long-term portion Loss Contingency, Accrual, Noncurrent Finished products Inventory, Finished Goods, Net of Reserves Common stock, $1 par value per share, 200 shares authorized; 85 shares issued and 70 shares issued and outstanding, respectively, as of September 30, 2025; and 86 shares issued and 70 shares issued and outstanding, respectively, as of December 31, 2024 Common Stock, Value, Issued Equity in unconsolidated affiliate Income (Loss) from Equity Method Investments, Net of Dividends or Distributions Value-add Value-add [Member] Value-added [Member] Diluted (in shares) Shares used for diluted earnings per share (in shares) Weighted Average Number of Shares Outstanding, Diluted Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Comprehensive income Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Entity Small Business Entity Small Business Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Document Transition Report Document Transition Report Underlying Securities Award Underlying Securities Amount Equity Component [Domain] Equity Component [Domain] Document Period End Date Document Period End Date PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Income Taxes Income Tax Disclosure [Text Block] Supplemental Balance Sheet Information Supplemental Balance Sheet Disclosures [Text Block] Average shares of common stock used to compute net income per share: Earnings Per Share, Diluted [Abstract] OSB - commodity OSB - commodity [Member] OSB - commodity [Member] Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Document Type Document Type Earnings per Share Earnings Per Share [Text Block] Name Outstanding Recovery, Individual Name Loss Contingencies [Table] Loss Contingencies [Table] Impairments of Long-Lived Assets Asset Impairment Charges [Text Block] Product and Service [Axis] Product and Service [Axis] All Individuals All Individuals [Member] Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Receivables Increase (Decrease) in Receivables Property, plant, and equipment additions Payments to Acquire Property, Plant, and Equipment Name Forgone Recovery, Individual Name Total current assets Assets, Current Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] Loss Contingency Accrual Loss Contingency Accrual Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Entity Information [Line Items] Entity Information [Line Items] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Foreign currency remeasurement and transaction loss (gain) Gain (Loss), Foreign Currency Transaction, before Tax Net income per share, diluted (in dollars per share) Earnings Per Share, Diluted Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Total Receivables Accounts Receivable, after Allowance for Credit Loss, Current Title of 12(b) Security Title of 12(b) Security AOCI Attributable to Parent, Net of Tax [Roll Forward] AOCI Attributable to Parent, Net of Tax [Roll Forward] Treasury Stock, Shares Treasury stock, common, beginning balance (in shares) Treasury stock, common, ending balance (in shares) Treasury Stock, Common, Shares Earnings Per Share [Abstract] Earnings Per Share [Abstract] Consolidation Items [Domain] Consolidation Items [Domain] Gross Profit Gross Profit Accrued to expense Standard and Extended Product Warranty Accrual, Increase (Decrease) for Preexisting Warranties Cash paid for income taxes, net Income Taxes Paid, Net Award Timing Disclosures [Line Items] Effective Income Tax Rate Reconciliation, Percent 1 Effective Income Tax Rate Reconciliation, Percent 1 Effective Income Tax Rate Reconciliation, Percent 1 Schedule of Inventories Schedule of Inventory, Current [Table Text Block] Long-term debt, gross Long-Term Debt, Gross Foreign currency translation adjustments Other Comprehensive Income (Loss), before Reclassifications, Net of Tax Net income Net Income Net Income (Loss) Attributable to Parent Expiration Date Trading Arrangement Expiration Date Construction in progress Construction in Progress [Member] Other accrued liabilities Other Accrued Liabilities, Current Property, plant, and equipment, net Property, plant, and equipment, net Property, Plant and Equipment, Net Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Reorganization charges Restructuring Charges Repurchase of common stock Payments for Repurchase of Common Stock Adoption Date Trading Arrangement Adoption Date Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] LPSA LP South America Segment [Member] LP South America Segment Entity Current Reporting Status Entity Current Reporting Status Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Income from operations Operating Income (Loss) Line of Credit Line of Credit [Member] Retained earnings Retained Earnings (Accumulated Deficit) Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Executive Category: Executive Category [Axis] Asset retirement obligations Asset Retirement Obligations, Noncurrent Legal and Environmental Matters [Abstract] Legal and Environmental Matters [Abstract] Legal And Environmental Matters [Abstract] Current portion (included in accounts payable and accrued liabilities) Loss Contingency, Accrual, Current Other operating credits and charges, net Other operating credits and charges, net Other Operating Income (Expense), Net Interest expense Interest Expense Interest Expense, Operating and Nonoperating Current Fiscal Year End Date Current Fiscal Year End Date Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] Retirement Plan Type [Axis] Retirement Plan Type [Axis] Schedule of Receivables Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Statement [Table] Statement [Table] Other non-operating income (expense) Other non-operating items Other Nonoperating Income (Expense) Impairment charges related to operating lease assets Impairment of Leasehold Deferred taxes Deferred Income Tax Expense (Benefit) Adjustments to net income: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] CASH FLOWS FROM FINANCING ACTIVITIES: Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Receivables, net of allowance for doubtful accounts of $1 as of September 30, 2025 and December 31, 2024 Receivables, Net, Current Nature of Operations and Basis for Presentation Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Other receivables Other Receivables, Gross, Current All Adjustments to Compensation All Adjustments to Compensation [Member] Accounts payable and accrued liabilities Total accounts payable and accrued liabilities Accounts Payable and Accrued Liabilities, Current Amendment Flag Amendment Flag Post-retirement obligations Other Postretirement Benefits Plan [Member] Termination Date Trading Arrangement Termination Date Net cash used in financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Measure: Measure [Axis] Foreign currency gain (loss) Realized Gain (Loss), Foreign Currency Transaction, before Tax Uncertain tax positions Liability for Uncertainty in Income Taxes, Noncurrent Other raw materials Inventory, Raw Materials, Net of Reserves Long-Lived Tangible Asset [Domain] Long-Lived Tangible Asset [Domain] Basic (in shares) Weighted average common shares outstanding - basic Weighted Average Number of Shares Outstanding, Basic Cost of sales Cost of Product and Service Sold Schedule of Earnings Per Share, Basic and Diluted Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Segment Reporting [Abstract] Segment Reporting [Abstract] Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Non-operating income (expense): Nonoperating Income (Expense) [Abstract] Entity Tax Identification Number Entity Tax Identification Number Trade accounts payable Accounts Payable, Trade, Current Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Accrual for Environmental Loss Contingencies, Gross Accrual for Environmental Loss Contingencies, Gross Estimated annual tax rate Estimated annual tax rate Estimated annual tax rate Common Stock, Shares, Issued Common Stock, Shares, Issued Goodwill and Other Intangible Assets Goodwill and Intangible Assets Disclosure [Text Block] Dividends paid Payments of Dividends Trading Arrangement: Trading Arrangement [Axis] Total Shareholder Return Amount Total Shareholder Return Amount Loss Contingencies [Line Items] Loss Contingencies [Line Items] Loss on impairment Restructuring Costs and Asset Impairment Charges Insider Trading Arrangements [Line Items] Other Segment Reporting, Reconciling Item, Corporate Nonsegment [Member] Security Exchange Name Security Exchange Name Loss on impairment Goodwill and Intangible Asset Impairment Liabilities Liabilities Unpaid capital expenditures Capital Expenditures Incurred but Not yet Paid Maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Environmental reserves SEC Schedule, 12-09, Reserve, Environmental Cost [Member] Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Prepaid expenses and other current assets Prepaid Expense, Current Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Statement [Line Items] Statement [Line Items] Consolidation Items [Axis] Consolidation Items [Axis] Amended Credit Facility Amended Credit Facility [Member] Amended Credit Facility Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Cash and cash equivalents Cash and Cash Equivalent Timber and Timberlands Timber and Timberlands Common Stock Common Stock [Member] Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Non-NEOs Non-NEOs [Member] Net increase (decrease) in cash, cash equivalents, and restricted cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation