Document and Entity Information. Document And Entity Information [Abstract] Statement [Table] Statement [Line Items] Entity Registrant Name Entity Central Index Key Document Type Document Period End Date Amendment Flag Document Fiscal Year Focus Document Fiscal Period Focus Current Fiscal Year End Date Entity Filer Category Entity Common Stock, Shares Outstanding Consolidated Balance Sheets [Abstract] Statement of Financial Position [Abstract] Assets [Abstract] Assets Real Estate Investment Property, Net Investment in real estate Investments in real estate Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents at end of period Cash and cash equivalents at beginning of period Cash and Cash Equivalents, at Carrying Value, Total Cash and cash equivalents Notes, Loans and Financing Receivable, Net Notes receivable Total notes receivable Notes receivable Marketable Securities, Restricted, Current Marketable Securities, Restricted, Current, Total Pledged treasury securities Defined Benefit Plan, Funded Status of Plan Defined Benefit Plan, Funded Status of Plan, Total Prepaid pension asset Property, Plant and Equipment, Net Property, Plant and Equipment, Net, Ending Balance Property, Plant and Equipment, Net, Beginning Balance Total Property, plant and equipment, net Income Taxes Receivable Income taxes receivable Deferred Tax Assets, Net, Noncurrent Deferred tax asset Deferred Tax Assets, Net, Noncurrent, Total Other Assets Other assets Other assets Assets Total assets Total Assets Liabilities and Stockholders' Equity [Abstract] Liabilities And Stockholders' Equity Liabilities [Abstract] Liabilities: Long-term Debt Total debt Debt Accounts Payable Accounts payable, Total Accounts payable Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Also includes amount of deferred revenue as of balance sheet date. Deferred revenue represents collections of cash or other assets related to a revenue producing activity for which revenue has not yet been recognized. Generally, an entity records deferred revenue when it receives consideration from a customer before achieving certain criteria that must be met for revenue to be recognized in conformity with GAAP. Accrued Liabilities And Deferred Revenue Combined Accrued liabilities and deferred credits Liabilities Total Liabilities Total liabilities Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Stockholders' Equity: Common Stock, Value, Outstanding Common stock, no par value; 180,000,000 shares authorized; 92,262,236 and 92,267,256 shares issued and outstanding at March 31, 2012 and December 2011, respectively Retained Earnings (Accumulated Deficit) Retained Earnings (Accumulated Deficit), Ending Balance Retained Earnings (Accumulated Deficit), Beginning Balance Retained Earnings (Accumulated Deficit), Total Accumulated deficit Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated Other Comprehensive Income (Loss), Net of Tax, Ending Balance Accumulated Other Comprehensive Income (Loss), Net of Tax, Beginning Balance Accumulated Other Comprehensive Income (Loss), Net of Tax, Total Accumulated other comprehensive (loss) Treasury Stock, Value Treasury stock at cost, 16,195 and zero shares held at March 31, 2012 and December 31, 2011, respectively Treasury Stock, Value, Ending Balance Treasury Stock, Value, Beginning Balance Treasury stock at cost, 30,260,436 and 30,235,435 shares held at September 30, 2009 and December 31, 2008, respectively Stockholders' Equity Attributable to Parent Stockholders' Equity Attributable to Parent, Ending Balance Stockholders' Equity Attributable to Parent, Beginning Balance Total Stockholders' Equity Stockholders' Equity Attributable to Noncontrolling Interest Stockholders' Equity Attributable to Noncontrolling Interest, Ending Balance Stockholders' Equity Attributable to Noncontrolling Interest, Beginning Balance Noncontrolling interest Noncontrolling interest Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Balance Balance Total equity Liabilities and Stockholders' Equity Total Liabilities and Stockholders' Equity Common Stock, No Par Value Common stock, par value Common Stock, Shares Authorized Equity Incentive Plan issuance of common stock Common stock, shares authorized Common Stock, Shares, Issued Issuances of common stock, shares Common Stock, Shares, Issued, Total Common stock, shares issued Common Stock, Shares, Outstanding Balance, shares Balance, shares Begininning balance,Shares Common stock, shares outstanding Treasury Stock, Shares Treasury Stock, Shares, Ending Balance Treasury Stock, Shares, Beginning Balance Treasury stock, shares Consolidated Statements Of Operations [Abstract] Income Statement [Abstract] Revenues [Abstract] Revenues: Sales of Real Estate Real estate sales Revenue from vacation rental programs and other resort, golf, club and marina operations. Resort And Club Revenues Resort and club revenues Timber Revenue Timber deed revenue Timber sales Other Real Estate Revenue Other revenues Other revenues Revenues Total revenues Consolidated operating revenues Operating Expenses [Abstract] Expenses: Cost of Real Estate Sales Cost of Real Estate Sales, Total Cost of real estate sales Costs incurred in operating vacation rental programs and other resort, golf, club and marina operations. Cost Of Resort And Club Revenues Cost of resort and club revenues Timber Operating Costs Cost of timber sales Other Cost of Operating Revenue Cost of other revenues Other Cost and Expense, Operating Other Cost and Expense, Operating, Total Other operating expenses Other General and Administrative Expense Corporate expense, net Depreciation, Depletion and Amortization, Nonproduction Depreciation, Depletion and Amortization, Nonproduction, Total Depreciation and amortization Asset Impairment Charges Impairment charge Impairment charges Asset Impairment Charges, Total Impairment losses Restructuring Charges One-time termination benefits to employees Restructuring Charges, Total Restructuring charges Operating Expenses Total expenses Operating Income (Loss) Federal net operating loss carryforward Operating (loss) income Nonoperating Income (Expense) [Abstract] Other income (expense): Investment Income, Net Investment Income, Net, Total Investment income, net Interest Expense Interest expense Interest Expense, Total Interest expense Other Nonoperating Income (Expense) Other, net Other, net Nonoperating Income (Expense) Total other (expense) income Total other income Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Cumulative Effects of Changes in Accounting Principles, Noncontrolling Interest Consolidated (loss) income from operations before equity in (loss) income of unconsolidated affiliates and income taxes Income from operations before equity in (loss) income of unconsolidated affiliates and income taxes Loss from continuing operations before equity in (loss) of unconsolidated affiliates and income taxes Income (Loss) from Equity Method Investments Equity in (income) loss of unconsolidated joint ventures Income (Loss) from Equity Method Investments, Total Equity in (loss) of unconsolidated affiliates Income Tax Expense (Benefit) Income tax expense (benefit) Income tax expense (benefit) Income tax (benefit) Income tax expense (benefit) Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net loss Net (loss) Net (loss) income before extraordinary items Net (loss) income Net (loss) income Net (loss) Net Income (Loss) Attributable to Noncontrolling Interest Less: Net loss attributable to noncontrolling interest Less: Net (loss) attributable to noncontrolling interest Less: Net (loss) attributable to noncontrolling interest Less: Net loss attributable to noncontrolling interest Net Income (Loss) Attributable to Parent Net (loss) income attributable to the Company Earnings Per Share [Abstract] (LOSS) EARNINGS PER SHARE Earnings Per Share, Basic [Abstract] Basic Weighted Average Number of Shares Outstanding, Basic Weighted average shares outstanding Weighted Average Number of Shares Outstanding, Basic, Total Basic average shares outstanding Earnings Per Share, Basic Net (loss) income attributable to the Company Net income (loss) attributable to the Company Net income (loss) attributable to the Company Earnings Per Share, Diluted [Abstract] Diluted Weighted Average Number of Shares Outstanding, Diluted Weighted average shares outstanding Weighted Average Number of Shares Outstanding, Diluted, Total Diluted average shares outstanding Earnings Per Share, Diluted Net (loss) income attributable to the Company Net income (loss) attributable to the Company Net income (loss) attributable to the Company Consolidated Statement Of Comprehensive (Loss) Income [Abstract] Other Comprehensive Income (Loss), Net of Tax [Abstract] Other comprehensive income, net of tax: Other Comprehensive Income, Amortization of Defined Benefit Plan Net Prior Service Cost Recognized in Net Periodic Pension Cost, Net of Tax Amortization of pension and postretirement benefit costs, net Amortization of pension and postretirement benefit costs, net Comprehensive Income, Net of Tax, Including Portion Attributable to Noncontrolling Interest Total comprehensive (loss) income Effect of pension remeasurement, net of tax Consolidated Statement Of Changes In Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Schedule of Stock by Class [Table] Statement, Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Common Stock [Member] Common Stock [Member] Common Stock Retained Earnings [Member] Accumulated Deficit [Member] Retained Earnings Accumulated Other Comprehensive Income [Member] Accumulated Other Comprehensive Income (Loss) [Member] Accumulated Other Comprehensive Income (Loss) Treasury Stock [Member] Treasury Stock [Member] Treasury Stock Noncontrolling Interest [Member] Non-controlling Interest [Member] Noncontrolling Interest Class of Stock [Line Items] Comprehensive Income, Net of Tax, Including Portion Attributable to Noncontrolling Interest [Abstract] Comprehensive income: Stock Issued During Period, Value, New Issues Issuances of common stock Issuance of common stock Shares issued during the period Issuances of common stock, shares Issuance of common stock, shares Stock Issued During Period, Value, Restricted Stock Award, Forfeitures Forfeitures of restricted stock Stock Issued During Period, Shares, Restricted Stock Award, Forfeited Forfeitures of restricted stock, shares Adjustments to Additional Paid in Capital, Tax Effect from Share-based Compensation Excess (reduction in) tax benefit on options exercised and vested restricted stock Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition, Value Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition, Total Amortization of stock-based compensation Shares Paid For Tax Withholding For Share Based Compensation, Value Shares Paid For Tax Withholding For Share Based Compensation, Value Treasury shares received in lieu of taxes to be remitted on share awards Treasury shares received in lieu of taxes to be remited on share awards Shares Paid for Tax Withholding for Share Based Compensation Treasury shares received in lieu of taxes to be remitted on share award, shares Treasury shares received in lieu of taxes to be remitted on share award, shares Consolidated Statements Of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Net Cash Provided by (Used in) Operating Activities [Abstract] Cash flows from operating activities Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net (loss) income to net cash provided by operating activities Depreciation, Depletion and Amortization Depreciation, Depletion and Amortization, Total Depreciation and amortization Share-based Compensation Total charged against income before tax benefits Total charged against income before tax benefits Stock-based compensation Deferred Income Tax Expense (Benefit) Deferred Income Tax Expense (Benefit), Total Deferred income tax (benefit) expense Real Estate, Cost of Real Estate Sold Cost of operating properties sold Cost of operating properties sold Payments to Develop Real Estate Assets Expenditures for operating properties Expenditures for operating properties Expenditures for operating properties Pension settlement. Pension Settlement Pension charges Increase (Decrease) in Operating Capital [Abstract] Changes in operating assets and liabilities: Increase (Decrease) in Notes Receivables Notes receivable Notes receivable Increase (Decrease) in Other Operating Assets Other assets Increase (Decrease) in Other Operating Assets, Total Other assets Increase (Decrease) in Accounts Payable and Accrued Liabilities Increase (Decrease) in Accounts Payable and Accrued Liabilities, Total Accounts payable and accrued liabilities Increase DecreaseIn Accrued Income Taxes Payable Income taxes payable Net Cash Provided by (Used in) Operating Activities Net cash provided by operating activities Net Cash Provided by (Used in) Investing Activities [Abstract] Cash flows from investing activities: Payments to Acquire Property, Plant, and Equipment Purchases of property, plant and equipment Payments to Acquire Property, Plant, and Equipment, Total Proceeds from Sale of Productive Assets Proceeds from Sale of Productive Assets, Total Proceeds from disposition of property, plant and equipment Net Cash Provided by (Used in) Investing Activities Net cash (used in) investing activities Net Cash Provided by (Used in) Financing Activities [Abstract] Cash flows from financing activities: Repayments of Other Long-term Debt Repayments of other long-term debt Repayments of other long-term debt Excess Tax Benefit from Share-based Compensation, Financing Activities Excess (reduction in) tax benefits from stock-based compensation Value of shares of stock surrendered by employees to pay payroll withholding tax on vested restricted stock or exercised stock options. Taxes paid on behalf of employees related to stock-based compensation Taxes paid on behalf of employees related to stock-based compensation Net Cash Provided by (Used in) Financing Activities Net cash (used in) financing activities Cash and Cash Equivalents, Period Increase (Decrease) Net increase (decrease) in cash and cash equivalents Net (decrease) increase in cash and cash equivalents Description Of Business And Basis Of Presentation [Abstract] Business Description and Basis of Presentation [Text Block] Description Of Business And Basis Of Presentation Stock-Based Compensation and Earnings Per Share. Stock-Based Compensation And Earnings Per Share [Abstract] Stock-Based Compensation and Earnings Per Share [Abstract] Stock-Based Compensation and Earnings Per Share. Stock Based Compensation And Earnings Per Share [Text Block] Stock-Based Compensation And Earnings Per Share Fair Value Measurements [Abstract] Fair Value Disclosures [Text Block] Fair Value Measurements Investment In Real Estate [Abstract] Real Estate Disclosure [Text Block] Investment In Real Estate Notes Receivable [Abstract] Notes Receivable [Abstract] Loans, Notes, Trade and Other Receivables Disclosure [Text Block] Notes Receivable Notes Receivable Property, Plant and Equipment [Abstract] Property, Plant and Equipment Disclosure [Text Block] Property, Plant And Equipment Restructuring [Abstract] Restructuring and Related Activities Disclosure [Text Block] Restructuring Accrued Liabilities And Deferred Credits [Abstract] Accrued Liabilities And Deferred Credits Text Block Accrued Liabilities And Deferred Credits Text Block Accrued Liabilities And Deferred Credits Debt [Abstract] Debt Disclosure [Text Block] Debt Employee Benefit Plans [Abstract] Pension and Other Postretirement Benefits Disclosure [Text Block] Employee Benefit Plans Income Taxes [Abstract] Income Tax Disclosure [Text Block] Income Taxes Gain On Claims From Oil Spill [Abstract] Extraordinary items - income (net of tax): Extraordinary Items Disclosure [Text Block] Gain On Claims From Oil Spill Segment Information [Abstract] Segment Reporting Disclosure [Text Block] Segment Information Commitments And Contingencies [Abstract] Commitments and Contingencies Disclosure [Text Block] Commitments And Contingencies Concentration Of Risks And Uncertainties [Abstract] Concentration Risk Disclosure [Text Block] Concentration Of Risks And Uncertainties Basis of Presentation and Significant Accounting Policies [Text Block] Basis Of Presentation Impairment Or Disposal Of Long Lived Assets And Discontinued Operations [Policy Text Block] Impairment Or Disposal Of Long Lived Assets And Discontinued Operations [Policy Text Block] Long-Lived Assets And Discontinued Operations Special contracts and Revenue. Special Contracts And Revenue Policy Text Block Timber Deed Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangement by Share-based Payment Award, Award Type and Plan Name [Axis] Share Based Compensation Arrangements By Share Based Payment Award Award Type And Plan Name [Domain] Share-based Compensation Arrangements by Share-based Payment Award, Award Type and Plan Name [Domain] Restricted Stock Units R S U [Member] Service-Based Restricted Stock Units [Member] Market Condition Restricted Stock Units [Member] Market Condition Restricted Stock Units [Member] Market Condition Restricted Stock Units [Member] Stock-Based Compensation And Earnings Per Share [Line Items] Stock-Based Compensation And Earnings Per Share [Line Items] Schedule of Nonvested Restricted Stock Units Activity [Table Text Block] Summary Of Non-Vested Restricted Stock Activity [DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock] Total Stock-Based Compensation Schedule of Weighted Average Number of Shares [Table Text Block] Reconciliation Of Average Shares Outstanding Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Assets And Liabilities Measured At Fair Value On Recurring Basis Fair Value of Assets and liabilities on Recurring Basis Reconciliation of retained interest. Reconciliation of retained interest [Table Text Block] Reconciliation Of Retained Interest Real estate investment by segment. Real Estate Investment By Segment [Table Text Block] Real Estate Investment By Segment Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Components Of Notes Receivable Notes Receivable Schedule Of Restructuring And Related Costs [Text Block] Charges Associated With The Relocation And Restructuring Programs By Segment Restructuring And Reorganization Program By Segment Schedule of Accrued Liabilities [Table Text Block] Accrued Liabilities Associated With The Relocation And Restructuring Programs Accrued Liabilities And Deferred Credits Table Text Block. Accrued Liabilities And Deferred Credits Table Text Block Accrued Liabilities And Deferred Credits Long Term Debt Text Block Summary Of Debt Schedule of Maturities of Long-term Debt [Table Text Block] Maturities Of Debt Schedule Of Defined Benefit Plans Disclosures [Text Block] Summary Of The Net Periodic Benefit (Credit) Periodic Benefit Expense Net Schedule of Segment Reporting Information, by Segment [Text Block] Business Segment Reporting Information Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block] Future Minimum Rental Commitments Under Noncancelable Long-Term Operating Leases Schedule of Real Estate Properties [Table] Range [Axis] Range [Member] Range [Domain] Maximum [Member] Maximum [Member] Minimum [Member] Minimum [Member] Supply Commitment [Axis] Supply Commitment Arrangement [Member] Supply Commitment Arrangement [Domain] Timber Deed [Member] Timber Deed [Member] Timber Deed [Member] Description Of Business And Basis Of Presentation [Line Items] Description Of Business And Basis Of Presentation [Line Items] Land owned Land Owned Land owned (acres) Land owned Projected price appreciation over time. Minimum Projected Price Appreciation Over Time Minimum projected price appreciation over time Maximum projected price appreciation over time. Maximum Projected Price Appreciation Over Time Maximum projected price appreciation over time Length of the estimated development and selling periods. Length Of The Estimated Development And Selling Periods Length of the estimated development and selling periods Estimated developer profit based On development costs. Estimated Developer Profit Based On Development Costs Estimated developer profit based On development costs Future holding period of operating properties (in years). Future Holding Period Of Operating Properties (Years) Future holding period of operating properties (in years) Timber deed sale agreement, value Timber Deed Sale Agreement, Value Timber deed sale agreement, value Purchase Agreement Fair Market Value Percentage Purchase Agreement Fair Market Value Percentage Percentage of buyer first thinnings at fair market value Timber Deed Land Owned Timber Deed Land Owned Timber deed land owned Timber deed sale agreement, term Timber Deed Sale Agreement, Term Timber deed sale agreement, term (years) Purchase Agreement First Thinnings Purchase Price Purchase Agreement First Thinnings Purchase Price Purchase price of First Thinnings Imputed land lease revenue Imputed Land Lease Revenue Imputed land lease revenue Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized Number of share authorized Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant Shares available for future issuance Allocated Share-based Compensation Expense Stock-based compensation expenses Allocated Share-based Compensation Expense, Total Share-based Compensation Arrangement by Share-based Payment Award, Discount from Market Price, Offering Date Discount at which employees may purchase Company's common stock through payroll deductions being recognized as compensation expense Accelerated vesting of restricted shares. Accelerated Vesting Of Restricted Shares Accelerated vesting of restricted shares Accelerated amortization expense. Accelerated Amortization Expense Accelerated stock compensation expense Accelerated amortization expense Performance Period Performance Period Performance period (in years) Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized Unrecognized compensation cost related to non-vested restricted stock Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition Stock option compensation recognized period (in years) Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number Number of Shares, Ending Balance Number of Shares, Beginning Balance Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Number of Shares, Granted Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Number of Shares, Vested Number of Shares, Vested Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Exercises in Period Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Exercises in Period Number of Shares, Exercised Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period Number of Shares, Forfeited Number of Shares, Forfeited Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value Weighted Average Grant Date Fair Value, Ending Balance Weighted Average Grant Date Fair Value, Beginning Balance Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Grant Date Fair Value Weighted Average Grant Date Fair Value, Granted Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Weighted Average Grant Date Fair Value Weighted Average Grant Date Fair Value, Vested Share Based Compensation Arrangement By Share Based Payment Award, Equity Instruments Other Than Options, Exercised In Period, Weighted Average Grant Date Fair Value Share Based Compensation Arrangement By Share Based Payment Award, Equity Instruments Other Than Options, Exercised In Period, Weighted Average Grant Date Fair Value Weighted Average Grant Date Fair Value, Exercised Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Option Forfeited In Period Weighted Average Grant Date Fair Value. Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Option Forfeited In Period Weighted Average Grant Date Fair Value Weighted Average Grant Date Fair Value, Forfeited Net Effect Of Stock Options Assumed To Be Exercised Net Effect Of Stock Options Assumed To Be Exercised Net effect of stock options assumed to be exercised Net Effect Of Non-Vested Restricted Stock Assumed To Be Vested Net Effect Of Non-Vested Restricted Stock Assumed To Be Vested Net effect of non-vested restricted stock assumed to be vested Schedules of Qualified Special Purpose Entities. Schedules of Qualified Special Purpose Entities [Table] Qualifying Special Purpose Entity by Classifications. Qualifying Special Purpose Entity by Classifications [Axis] Qualifying Special Purpose Entity, Classifications. Qualifying Special Purpose Entity Classifications [Domain] Qualifying Special Purpose Entity, Classifications [Domain] Qualifying Special Purpose. Qualifying Special Purpose [Member] Qualifying Special Purpose [Member] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Investment Income, Interest Interest income Guarantees, Fair Value Disclosure Standby guarantee liability Standby guarantee liability Standby guarantee liability Impairment Of Predevelopment Costs Impairment Of Predevelopment Costs Impaired predevelopment costs Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Table] Fair Value, Hierarchy [Axis] Fair Value Measurements Fair Value Hierarchy [Domain] Fair Value, Measurements, Fair Value Hierarchy [Domain] Fair Value Inputs Level1 [Member] Quoted Prices In Active Markets For Identical Assets (Level 1) [Member] Fair Value Inputs Level2 [Member] Significant Other Observable Inputs (Level 2) [Member] Fair Value Inputs Level3 [Member] Significant Unobservable Inputs (Level 3) [Member] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Investments, Fair Value Disclosure Investments in money market and short term treasury instruments Investments in money market Retained Interest, Fair Value Disclosure Ending balance Beginning balance Retained interest in entities Retained interest in QSPEs Fair value of assets and liabilities fair value disclosure. Fair Value Of Assets And Liabilities Fair Value Disclosure Total, net Total, net Retained interest in securitized receivables additions during period. Retained Interest In Securitized Receivables Additions During Period Additions Retained Interest in Securitized Receivables, Accretion of Interest Income During Period Retained Interest in Securitized Receivables, Accretion of Interest Income During Period Accretion of interest income Schedule of Real Estate Investment by Segment Table. Schedule of Real Estate Investment by Segment [Table] Statement Business Segments [Axis] Segment [Domain] Segment [Domain] Residential Real Estate [Member] Residential Real Estate [Member] Commercial Real Estate [Member] Commercial Real Estate [Member] Rural land sales. Rural Land Sales [Member] Rural Land Sales [Member] Forestry. Forestry [Member] Forestry [Member] Other real estate segment. Other Real Estate Segment [Member] Other [Member] Other [Member] Real Estate Properties [Line Items] Income-Producing Depreciable Operating Property Income-Producing Depreciable Operating Property Operating property Development in Process Carrying value of one of the property Development property Real estate Investment Property. Real estate Investment Property Investment property Investment in unconsolidated real estate affiliates. Real Estate Investment In Unconsolidated Affiliates Residential real estate Investment in unconsolidated real estate affiliates Real Estate Investment Property, at Cost Total real estate investments Total real estate investments Real Estate Investment Property, Accumulated Depreciation Less: Accumulated depreciation Less: Accumulated depreciation Less: Accumulated depreciation Schedule Of Accounts Notes Loans And Financing Receivable [Table] Accounts Notes Loans And Financing Receivables By Legal Entity Of Counterparty Type [Axis] Legal Entity Type Of Counterparty [Domain] Legal Entity Type Of Counterparty [Domain] LegalEntityTypeOfCounterpartyDomain Various Builders [Member] Various Builders [Member] Various Builders [Member] Pier Park Community Development District [Member] Pier Park Community Development District [Member] Pier Park Community Development District [Member] Various Mortgages and Other [Member] Various Mortgages And Other [Member] Various Mortgages [Member] Accounts Notes And Loans Receivable [Line Items] Debt Instrument, Interest Rate, Effective Percentage Effective rate Debt Instrument, Unamortized Discount Unamortized discount Debt Instrument, Interest Rate, Effective Percentage Rate Range, Maximum Effective rate, minimum Debt Instrument, Interest Rate, Effective Percentage Rate Range, Minimum Effective rate, maximum Notes Receivable Maturity Period Notes Receivable Maturity Period Notes receivable maturity period Schedule of Property, Plant and Equipment [Table] Property, Plant and Equipment [Line Items] Property, Plant and Equipment, Gross Property, Plant and Equipment, Gross, Ending Balance Property, Plant and Equipment, Gross, Beginning Balance Property, Plant and Equipment, Gross, Total Property, plant and equipment, gross Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Ending Balance Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Beginning Balance Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Total Less: Accumulated depreciation Property, plant and equipment, excluding construction in progress, net. Property Plant And Equipment Excluding Construction In Progress Net Property, plant and equipment, excluding construction in progress, net Property, plant and equipment, excluding construction in progress, net Construction in Progress, Gross Construction in progress Property, Plant and Equipment, Useful Life, Minimum Estimated Useful Life, minimum (in years) Property, Plant and Equipment, Useful Life, Maximum Estimated Useful Life, maximum (in years) Depreciation Depreciation, Total Depreciation expense Schedule Of Restructuring And Related Costs [Table] Restructuring Program [Axis]. Restructuring Program [Axis] Restructuring Program [Domain]. Restructuring Program [Domain] Restructuring Program [Domain] Two Thousand Eleven Restructuring Program [Member]. Two Thousand Eleven Restructuring Program [Member] 2011 Restructuring Program [Member] Restructuring And Related Cost [Line Items] Number Of Senior Management Entered Into Separation Agreements. Number Of Senior Management Entered Into Separation Agreements Number of senior management members entered into separation agreements Restructuring And Related Cost Incurred Cost Restructuring costs incurred Restructuring and Related Costs, Incurred Cost, Total Cumulative restructuring charges Two Thousand Ten Restructuring And Relocation Program [Member] Two Thousand Ten Restructuring And Relocation Program [Member] 2010 Restructuring And Relocation Program [Member] Restructuring Cost and Reserve [Line Items] Restructuring and Related Cost, Cost Incurred to Date Cumulative restructuring charges Restructuring and Related Costs, Cost Incurred to Date, Total Restructuring And Related Cost Expected Cost Expected restructuring costs Restructuring and Related Costs, Expected Cost, Total Remaining one-time termination benefits to employees - to be incurred during 2012 Restructuring Cost and Reserve [Axis] Type Of Restructuring [Domain] Type Of Restructuring [Domain] One Time Termination Benefits To Employees Two Thousand Ten and Two thousand Nine Restructuring And Relocation Programs [Member] One Time Termination Benefits To Employees Two Thousand Ten And Two Thousand Nine Restructuring And Relocation Programs [Member] One-Time Termination Benefits To Employees - 2010 And 2009 Restructuring And Relocation Programs [Member] One Time Termination Benefits To Employees Two Thousand Eleven Restructuring Program [Member] One Time Termination Benefits To Employees Two Thousand Eleven Restructuring Program [Member] One-Time Termination Benefits To Employees - 2011 Restructuring Program [Member] Restructuring Reserve Ending Balance Balance at December 31, 2011 Restructuring liability Restructuring Reserve, Total Restructuring Reserve Period Expense Costs Accrued Restructuring Reserve Settled With Cash Payments Restructuring Reserve, Settled with Cash, Total Payments Restructuring Reserve Current Due within 12 months Legal Entity [Axis] Entity [Domain] Entity [Domain] Florida Department Of Transportation [Member] Florida Department Of Transportation [Member] Florida Department Of Transportation [Member] Deferred Revenue Deferred Revenue, Ending Balance Deferred Revenue, Beginning Balance Deferred revenue Deferred Revenue, Total Number Of Acres Sold Number Of Acres Sold Number of acres sold Number Of Acres Remains To Be Transferred. Number Of Acres Remains To Be Transferred Number of acres remaining to be transferred Accrued Liabilities Accrued compensation Accrued Liabilities, Total Environmental And Insurance Liabilities. Environmental And Insurance Liabilities Environmental and insurance liabilities Retiree Medical And Other Benefit Reserves Retiree Medical And Other Benefit Reserves Retiree medical and other benefit reserves Legal Expenses. Legal Expenses Legal Accounts Payable and Other Accrued Liabilities Other accrued liabilities Total accrued liabilities and deferred credits Accounts Payable and Accrued Liabilities Total accrued liabilities and deferred credits Schedule of Long-term Debt Instruments [Table] Long-term Debt, Type [Axis] Longterm Debt Type [Domain] Longterm Debt Type [Domain] Total outstanding CDD debt member. Total Outstanding Cdd Debt [Member] Total Outstanding CDD Debt [Member] Debt Instrument [Line Items] Community debt obligation until property transferred to end user. Community Debt Community Development District debt Defeased Debt Defeased debt Including the current and noncurrent portions, carrying value as of the balance sheet date of a type of municipal bond typically used to fund a development project. Also called special assessment limited liability bond, special district bond, special purpose bond, special tax bond and community development obligation. Interest owed to lenders is paid by taxes levied on the community benefiting from the particular bond-funded project. For example, if a bond of this sort was issued to pay for sidewalks to be repaved in a certain community, an additional tax would be levied on homeowners in the area benefiting from this project. Total Community Development District Debt Total community development district debt Derivative, by Nature [Axis] Derivative Name [Domain] Derivative, Name [Domain] Debt [Member] Debt [Member] Non-Recourse Defeased Debt [Member] Non Recourse Defeased Debt [Member] Non-Recourse Defeased Debt [Member] Community Development District Debt [Member] Community Development District Debt [Member] Community Development District Debt [Member] Non recourse defeased debt. Non Recourse Defeased Debt Debt defeased in connection with sale of Company's office portfolio Non-recourse defeased debt Debt Instrument, Interest Rate, Stated Percentage Percentage interest payable monthly Debt Instrument, Unamortized Premium Unamortized premium Debt Instrument, Interest Rate, Stated Percentage Rate Range, Minimum Bearing interest, minimum Debt Instrument, Interest Rate, Stated Percentage Rate Range, Maximum Bearing interest, maximum Debt Instrument, Maturity Date Maturity date Credit agreement scheduled maturity date Debt Instrument, Maturity Date Range, Start Credit agreement termination start date Maturity start date Debt Instrument, Maturity Date Range, End Credit agreement termination end date Maturity end date Long Term Debt Maturities Repayments Of Principal In Next Twelve Months 2012 Long Term Debt Maturities Repayments Of Principal In Year Two 2013 Long Term Debt Maturities Repayments Of Principal In Year Three 2014 Long Term Debt Maturities Repayments Of Principal In Year Four 2015 Long Term Debt Maturities Repayments Of Principal In Year Five 2016 Long Term Debt Maturities Repayments Of Principal After Year Five Thereafter Defined Benefit Plan, Service Cost Service cost Defined Benefit Plan, Interest Cost Interest cost Defined Benefit Plan, Expected Return on Plan Assets Expected return on assets Expected return on assets Defined Benefit Plan Amortization Of Prior Service Cost Credit Prior service costs Defined Benefit Plan, Actuarial Net (Gains) Losses Actuarial loss Defined Benefit Plan, Net Periodic Benefit Cost Net periodic pension cost (credit) Net periodic benefit expense Operating Loss Carryforwards [Table] Operating Loss Carryforwards [Line Items] Unrecognized Tax Benefits Unrecognized Tax Benefits, Ending Balance Unrecognized Tax Benefits, Beginning Balance Total unrecognized tax benefits Unrecognized Tax Benefits Interest On Income Taxes Accrued Accrued interest (net of tax benefit) related to uncertain tax positions Accrued interest (net of tax benefit) related to uncertain tax positions Operating Loss Carryforwards Net operating loss carryforward Operating Loss Carryforwards, Total Valuation Allowance Adjustment. Valuation Allowance Adjustment Valuation allowance adjustment Valuation Allowance, Amount Valuation allowance Payment on extraordinary items. Payment On Extraordinary Items Payment on extraordinary items Schedule Of Segment Reporting Information By Segment [Table] Segment Reporting Information [Line Items] Income (Loss) from Continuing Operations, Including Portion Attributable to Noncontrolling Interest Consolidated (loss) income from operations before equity in (loss) income of unconsolidated affiliates and income taxes Income (Loss) from Continuing Operations, Including Portion Attributable to Noncontrolling Interest, Total Schedule Of Guarantee Obligations [Table] Guarantor Obligations By Underlying Asset Class [Axis] Underlying Asset Class [Domain] Underlying Asset Class Domain Surety Bonds. Surety Bonds [Member] Surety Bonds [Member] Financial Standby Letter Of Credit [Member] Financial Standby Letters Of Credit [Member] Guarantee Obligations [Line Items] Operating Leases, Rent Expense Total rent expense Operating Leases, Rent Expense, Total Accrual for Environmental Loss Contingencies, Component Amount Aggregate environmental-related accruals Maximum payment to the alliance agreement in the first year Maximum Payment To The Alliance Agreement In The First Year Maximum payment to the alliance agreement in the first year Maximum payment to the alliance agreement in the second year Maximum Payment To The Alliance Agreement In The Second Year Maximum payment to the alliance agreement in the second year Threshold Of Ownership Percentage In Company For Private Investigation Of Compliance Threshold Of Ownership Percentage In Company For Private Investigation Of Compliance Threshold of ownership percentage in Company for private investigation of compliance Guarantor Obligations, Maximum Exposure, Undiscounted Commitment obligations Minimum Lease Payments, Sale Leaseback Transactions, within One Year 2012 Minimum Lease Payments, Sale Leaseback Transactions, within Two Years 2013 Minimum Lease Payments, Sale Leaseback Transactions, within Three Years 2014 Minimum Lease Payments, Sale Leaseback Transactions, within Four Years 2015 Minimum Lease Payments, Sale Leaseback Transactions, within Five Years 2016 Minimum Lease Payments, Sale Leaseback Transactions, Thereafter Thereafter Bankruptcy of customer, period under bankruptcy protection Bankruptcy Of Customer, Period Under Bankruptcy Protection Period under bankruptcy protection (months) Liability Period Following Mill Closure Liability Period Following Mill Closure Liability period following mill closure (years) 2009 Equity Incentive Plan [Member] Two Thousand Nine Equity Incentive Plan [Member] 2009 Equity Incentive Plan [Member] Real Estate Properties [Axis] Real Estate Properties [Domain] Real Estate Properties [Domain] Property, Plant and Equipment by Type [Axis] Property Plant And Equipment Type [Domain] Property, Plant and Equipment, Type [Domain] Transportation Equipment [Member] Transportation Property And Equipment [Member] Machinery And Equipment [Member] Machinery And Equipment [Member] Equipment [Member] Office Equipment [Member] Vehicles [Member] Autos And Trucks [Member] Income Tax Authority [Axis] Income Tax Authority [Domain] Income Tax Authority [Domain] Internal Revenue Service I R S [Member] Federal [Member] State And Local Jurisdiction [Member] State [Member]