Commitments and Contingencies [Abstract] Commitments and Contingencies [Abstract] Commitments and Contingencies Disclosure [Text Block] Commitments and Contingencies Disclosure [Text Block] Stockholders' Equity Note [Abstract] Common Stock, Shares, Issued Common Stock, Shares, Issued Proceeds from Issuance of Common Stock Proceeds from Issuance of Common Stock Subsequent Event [Table] Subsequent Event [Table] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Subsequent Event [Member] Subsequent Event [Member] Subsequent Event [Line Items] Subsequent Event [Line Items] Preferred Stock, Par or Stated Value Per Share Preferred Stock, Par or Stated Value Per Share Preferred Stock, Redemption Price Per Share Preferred Stock, Redemption Price Per Share Preferred Stock, Redemption Amount Preferred Stock, Redemption Amount Preferred Stock, Redemption Amount, Reduction of Net Loss Preferred Stock, Redemption Amount, Reduction of Net Loss Preferred Stock, Redemption Amount, Reduction of Net Loss Income Statement [Abstract] Statement [Table] Statement [Table] Scenario [Axis] Scenario [Axis] Scenario, Unspecified [Domain] Scenario, Unspecified [Domain] Statement [Line Items] Statement [Line Items] REVENUES: Revenues [Abstract] Rental property revenues Real Estate Revenue, Net Fee income Fee Income The aggregate revenue for property management, development and leasing services, including expense reimbursements, from all properties other than those in the third party management line of business Other Other Revenue from Continuing Operations Other revenue from continuing operations. Total consolidated revenues Revenues COSTS AND EXPENSES: Costs and Expenses [Abstract] Rental property operating expenses Direct Costs of Leased and Rented Property or Equipment Reimbursed expenses Reimbursed Expenses Reimbursed expenses, other than those related to the third party management and leasing segment. General and administrative expenses Other General and Administrative Expense Interest expense Interest Expense Depreciation and amortization Depreciation, Depletion and Amortization Separation expenses Severance Costs Acquisition and related costs Acquisition Costs, Period Cost Other Other Nonoperating Expense Total costs and expenses Costs and Expenses LOSS FROM CONTINUING OPERATIONS BEFORE TAXES, UNCONSOLIDATED JOINT VENTURES AND SALE OF INVESTMENT PROPERTIES Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest PROVISION FOR INCOME TAXES FROM OPERATIONS Income Tax Expense (Benefit) INCOME FROM UNCONSOLIDATED JOINT VENTURES Income (Loss) from Equity Method Investments LOSS FROM CONTINUING OPERATIONS BEFORE GAIN ON SALE OF INVESTMENT PROPERTIES Income (Loss) from Continuing Operations Before Gain on Sale of Investment Properties INCOME (LOSS) FROM CONTINUING OPERATIONS BEFORE GAIN ON SALE OF INVESTMENT PROPERTIES GAIN ON SALE OF INVESTMENT PROPERTIES Gain (Loss) on Sale of Properties, Net of Applicable Income Taxes INCOME (LOSS) FROM CONTINUING OPERATIONS Income (Loss) from Continuing Operations, Including Portion Attributable to Noncontrolling Interest INCOME (LOSS) FROM DISCONTINUED OPERATIONS: Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest [Abstract] Loss from discontinued operations Discontinued Operation, Income (Loss) from Discontinued Operation During Phase-out Period, Net of Tax Gain on sale of discontinued operations, net Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax Total income from discontinued operations Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest NET INCOME (LOSS) Net Income (Loss), Including Portion Attributable to Noncontrolling Interest NET (INCOME) LOSS ATTRIBUTABLE TO NONCONTROLLING INTERESTS Net Income (Loss) Attributable to Noncontrolling Interest NET INCOME (LOSS) ATTRIBUTABLE TO CONTROLLING INTEREST Net Income (Loss) Attributable to Parent PREFERRED SHARE ORIGINAL ISSUANCE COSTS Preferred Share Original Issuance Costs Preferred Share Original Issuance Costs DIVIDENDS TO PREFERRED STOCKHOLDERS Dividends, Preferred Stock NET INCOME (LOSS) AVAILABLE TO COMMON STOCKHOLDERS Net Income (Loss) Available to Common Stockholders, Basic PER COMMON SHARE INFORMATION - BASIC AND DILUTED: Earnings Per Share, Basic and Diluted [Abstract] Income (loss) from continuing operations attributable to controlling interest Income (Loss) from Continuing Operations, Per Basic and Diluted Share Income from discontinued operations Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic and Diluted Share Net income (loss) available to common stockholders Earnings Per Share, Basic and Diluted WEIGHTED AVERAGE SHARES — BASIC Weighted Average Number of Shares Outstanding, Basic WEIGHTED AVERAGE SHARES — DILUTED Weighted Average Number of Shares Outstanding, Diluted Common Stock, Dividends, Per Share, Declared Common Stock, Dividends, Per Share, Declared Other Assets [Abstract] Schedule of Other Assets [Table Text Block] Schedule of Other Assets [Table Text Block] Segment Reporting [Abstract] Number of Reportable Segments Number of Reportable Segments Property Transactions and Information [Abstract] Property Transactions and Information [Abstract] PROPERTY TRANSACTIONS AND INFORMATION Property Transactions [Text Block] The entire disclosure for the purchase and disposition of properties. Includes description, timing, and fair values of assets acquired in purchases. Also includes disclosures regarding dispositions of properties, with additional disclosures for those disposition accounted for as discontinued operations. Equity Method Investments and Joint Ventures [Abstract] INVESTMENT IN UNCONSOLIDATED JOINT VENTURES Equity Method Investments and Joint Ventures Disclosure [Text Block] Notes Payable, Commitments and Contingencies [Abstract] Notes payable, commitments and contingencies. Detail of interest expensed and incurred Detail of Interest Expensed and Incurred [Abstract] Detail of interest expensed and incurred. Total interest incurred Interest Costs Incurred Interest capitalized Capitalized Interest Costs, Including Allowance for Funds Used During Construction Total interest expense Summary of financial data and principal activities of Company's Unconsolidated Joint Ventures Equity Method Investments [Table Text Block] Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Post Oak Central Mortgage Note [Member] Post Oak Central Mortgage Note [Member] Post Oak Central Mortgage Note [Member] The American Cancer Society Center mortgage note [Member] Cancer Society Center Mortgage Note [Member] Cancer society center mortgage note. Promenade Atlanta Mortgage Note [Member] Promenade Atlanta Mortgage Note [Member] Promenade Atlanta Mortgage Note [Member] 191 Peachtree Tower Mortgage Note [Member] 191 Peachtree Tower Mortgage Note [Member] 191 Peachtree Tower Mortgage Note [Member] Meridian Mark Plaza mortgage note [Member] Meridian Mark Plaza Mortgage Note [Member] Meridian mark plaza mortgage note. Points at Waterview mortgage note [Member] Points at Waterview Mortgage Note [Member] Points at waterview mortgage note. Mahan Village LLC [Member] Mahan Village LLC [Member] Mahan village LLC. Credit Facility, unsecured Member] Line of Credit [Member] Notes Payable [Line Items] Derivative [Line Items] Summary of terms of notes payable Debt Disclosure [Abstract] Interest rate on mortgage loan Debt Instrument, Interest Rate, Stated Percentage Notes payable Long-term Debt Goodwill and Intangible Assets Disclosure [Abstract] Intangible Assets Intangible Assets Disclosure [Text Block] Schedule of Properties Held for Sale [Table Text Block] Schedule of Properties Held for Sale [Table Text Block] Schedule of Properties Held for Sale [Table Text Block] Schedule of Disposal Groups, Including Discontinued Operations, Income Statement, Balance Sheet and Additional Disclosures [Table Text Block] Schedule of Disposal Groups, Including Discontinued Operations, Income Statement, Balance Sheet and Additional Disclosures [Table Text Block] Intangible Assets [Table Text Block] Schedule of Intangible Assets and Goodwill [Table Text Block] Schedule of Goodwill [Table Text Block] Schedule of Goodwill [Table Text Block] Acquisitions, Dispositions, and Other Information [Abstract] Acquisitions, Dispositions, and Other Information [Abstract] Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Disposal Group Name [Axis] Disposal Group Name [Axis] Disposal Groups, Including Discontinued Operations, Name [Domain] Disposal Groups, Including Discontinued Operations, Name [Domain] Lakeshore Park Plaza Birmingham [Member] Lakeshore Park Plaza Birmingham [Member] Lakeshore park plaza Birmingham. Six Hundred University Park Place Birmingham [Member] Six Hundred University Park Place Birmingham [Member] 600 University park place Birmingham. Tiffany Springs MarketCenter Kansas City [Member] Tiffany Springs MarketCenter Kansas City [Member] Tiffany springs marketcenter Kansas city. Inhibitex Suburban Atlanta [Member] Inhibitex Suburban Atlanta [Member] Inhibitex suburban Atlanta. Business Acquisition [Line Items] Business Acquisition [Line Items] Area of Real Estate Property Area of Real Estate Property Sales Price of Property Sold Discontinued Operations Sales Price of Property Sold Discontinued Operations Sales price of property sold, discontinued operations. Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Business Segments [Axis] Segments [Axis] Segment [Domain] Segments [Domain] Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Schedule of Income (Loss) by Reportable Segment Schedule of Segment Reporting Information, by Segment [Table Text Block] Reconciliation of revenues per Segment to Consolidated Revenues Reconciliation of Revenue from Segments to Consolidated [Table Text Block] Stockholders' Equity Note Disclosure [Text Block] Stockholders' Equity Note Disclosure [Text Block] Document and Entity Information [Abstract] -- None. No documentation exists for this element. -- Entity Registrant Name Entity Registrant Name Entity Central Index Key Entity Central Index Key Document Type Document Type Document Period End Date Document Period End Date Amendment Flag Amendment Flag Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Current Fiscal Year End Date Current Fiscal Year End Date Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Voluntary Filers Entity Current Reporting Status Entity Current Reporting Status Entity Filer Category Entity Filer Category Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Other Assets Other Assets Incentive to Lessee Incentive to Lessee Furniture, Fixture and Equipments and Leasehold Improvements Furniture, Fixture and Equipments and Leasehold Improvements Furniture, fixture and equipments and leasehold improvements. Prepaid Expense and Other Assets, Current Prepaid Expense and Other Assets, Current Loan closing costs, net Deferred Finance Costs, Net Predevelopment Costs and Earnest Money Predevelopment Costs and Earnest Money Predevelopment costs and earnest money. Accumulated Amortization Incentives to Lessees Accumulated Amortization Incentives to Lessees This item represents the accumulated amortization of the deferred charge for an incentive or inducement granted by a lessor to a lessee, in order to motivate the lessee to enter the lease agreement, which incentive or inducement is to be recognized as a reduction of rental revenue over the lease term. Furniture, Fixture and Equipments and Leasehold Improvements Accumulated Depreciation Furniture, Fixture and Equipments and Leasehold Improvements Accumulated Depreciation Furniture, fixture and equipments and leasehold improvements accumulated depreciation. Accumulated Amortization, Deferred Finance Costs Accumulated Amortization, Deferred Finance Costs Goodwill [Roll Forward] Goodwill [Roll Forward] Goodwill Goodwill Allocated to property sales Cost of Property Sale Goodwill Cost of property sale, goodwill. Goodwill Total Segment [Member] Total Segment [Member] Total Segment [Member] Net operating property income, including discontinued operations Operating Income (Loss) Residential Lot Sales Net of Cost of Sales Including Gain on Sale of Undepreciated Investment Properties Residential Lot Sales Net of Cost of Sales Including Gain on Sale of Undepreciated Investment Properties Residential Lot Sales Net of Cost of Sales Including Gain on Sale of Undepreciated Investment Properties Fee income, Net of Reimbursed Expenses Fee income, Net of Reimbursed Expenses Fee income, net of reimbursed expenses. Other Income Other Income Direct Costs of Leased and Rented Property or Equipment Plus residential lot, multi-family unit and outparcel cost of sales Residential Lot Multifamily Unit Tract and Outparcel Cost of Sales Residential lot multifamily unit tract and outparcel cost of sales. Net operating income in joint venture Net operating income in joint venture Net operating income in joint venture Net sales of joint ventures Net sales of joint ventures Net sales of joint ventures Net operating income from discontinued operations not included in revenues Rental Property Net Operating Income from Discontinued Operations Rental property net operating income from discontinued operations. Fee income in discontinued operation Fee income in discontinued operation Fee income in discontinued operation Discontinued Operations Other Income Discontinued Operations Other Income Discontinued operations, other income. Residential Lot Multi Family Unit Tract and Outparcel Sales Net of Cost of Sales Including Gain on Sale of Undepreciated Investment Properties Residential Lot Multi Family Unit Tract and Outparcel Sales Net of Cost of Sales Including Gain on Sale of Undepreciated Investment Properties Residential lot, multi family unit tract and outparcel sales net of cost of sales including gain on sale of undepreciated investment properties. Total consolidated revenues Noncontrolling Interest Items [Abstract] NONCONTROLLING INTERESTS Noncontrolling Interest Disclosure [Text Block] Statement of Financial Position [Abstract] PROPERTIES: Real Estate Investment Property, Net [Abstract] Accumulated depreciation on operating properties Real Estate Investment Property, Accumulated Depreciation Development in Process, Accumulated Depreciation Development in Process, Accumulated Depreciation Development in Process, Accumulated Depreciation Real Estate Held for Sale, Accumulated Depreciation Real Estate Held for Sale, Accumulated Depreciation Real Estate Held for Sale, Accumulated Depreciation Allowance for doubtful accounts for notes and other receivables Allowance for Doubtful Accounts, Premiums and Other Receivables Intangible Liabilities, Accumulated Amortization Intangible Liabilities, Accumulated Amortization Intangible Liabilities, Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization Preferred stock, 20,000,000 shares authorized, $1 par value: Preferred Stock, Number of Shares, Par Value and Other Disclosures [Abstract] Preferred stock, par value Preferred stock, shares authorized Preferred Stock, Shares Authorized Common stock, par value Common Stock, Par or Stated Value Per Share Common stock, shares authorized Common Stock, Shares Authorized Common stock, shares issued Treasury stock, shares Treasury Stock, Shares Preferred stock, dividend rate Preferred Stock, Dividend Rate, Percentage Preferred stock, shares issued Preferred Stock, Shares Issued Preferred stock, shares outstanding Preferred Stock, Shares Outstanding Preferred stock, liquidation preference Preferred Stock, Liquidation Preference Per Share Organization, Consolidation and Presentation of Financial Statements [Abstract] BASIS OF PRESENTATION Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Statement, Business Segments [Axis] Office Segment [Member] Office Segment [Member] Office segment. Retail Segment [Member] Retail Segment [Member] Retail segment. Land [Member] Land [Member] All Other Segments [Member] Other Segments [Member] Residential lot and other sales, net of cost of sales Third party management and leasing expenses Third Party Management and Leasing Expenses Net of Reimbursed Expenses Third party management and leasing expenses, net of reimbursed expenses. Severance Costs General and administrative expenses General and Administrative Expense Reimbursed Expenses Interest Expense Interest Expense Including Discontinued Operations Interest expense including discontinued operations. Other expenses Other nonoperating expense, including discontinued operations Other nonoperating expense, including discontinued operations Preferred Stock Dividends and Original Issuance Costs Funds from Operations Available to Common Stockholders Funds from Operations Available to Common Stockholders Funds from operations available to common stockholders. Real Estate Depreciation and Amortization Including Company's Share of Joint Ventures Real Estate Depreciation and Amortization Including Company Share of Joint Ventures Real estate depreciation and amortization, including Company's share of joint ventures. Gain (Loss) on Sale of Depreciable Investment Properties Gain on Sale of Depreciated Investment Properties Gain on sale of depreciated investment properties. NET LOSS AVAILABLE TO COMMON STOCKHOLDERS Beginning Balance Temporary Equity, Redemption Value Net income (loss) attributable to redeemable noncontrolling interests Net Income (Loss) Attributable to Redeemable Noncontrolling Interest Distributions to redeemable noncontrolling interests Payments to Redeemable Noncontrolling Interests The cash outflow to return capital to redeemable noncontrolling interest holders. This element does not include dividends paid to redeemable noncontrolling interest holders. Ending Balance Components on noncontrolling interests Components on Noncontrolling Interests [Abstract] Components on noncontrolling interests. Net income attributable to nonredeemable noncontrolling interests Net Income (Loss) Attributable to Nonredeemable Noncontrolling Interest Net income (loss) attributable to redeemable noncontrolling interests Net loss (income) Distribution of Taxable Income to Qualify as REIT Distribution of Taxable Income to Qualify as REIT Percentage of taxable income that must be distributed annually to qualify as a REIT. REPORTABLE SEGMENTS Segment Reporting Disclosure [Text Block] NOTES PAYABLE, INTEREST EXPENSE AND COMMITMENTS AND CONTINGENCIES Notes Payable, Commitments and Contingencies [Text Block] The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants. Also includes disclosures regarding commitments and contingencies. Schedule of Equity Method Investments [Table] Schedule of Equity Method Investments [Table] Schedule of Equity Method Investment Equity Method Investee Name [Axis] Investment, Name [Axis] Equity Method Investee Name [Domain] Investment, Name [Domain] Terminus Office Holdings [Member] Terminus Office Holdings [Member] Terminus Office Holdings [Member] EP I LLC [Member] EP I LLC [Member] EP I LLC. Cousins Watkins LLC [Member] Cousins Watkins LLC [Member] Cousins Watkins LLC. Charlotte Gateway Village, LLC [Member] Charlotte Gateway Village LLC [Member] Charlotte Gateway Village, LLC. EP II LLC [Member] EP II LLC [Member] EP II LLC [Member] Temco Associates, LLC [Member] Temco Associates LLC [Member] Temco Associates, LLC. CL Realty, L.L.C. [Member] CL Realty LLC [Member] CL Realty, L.L.C. MSREF Terminus Two Hundred LLC [Member] MSREF Terminus Two Hundred LLC [Member] MSREF/Terminus 200 LLC. Wildwood Associates Wildwood Associates [Member] Wildwood Associates. Crawford Long CPI LLC [Member] Crawford Long CPI LLC [Member] Crawford Long - CPI, LLC. Cp Venture Five LLC [Member] Cp Venture Five LLC [Member] CP Venture Five LLC. CP Venture Two LLC [Member] CP Venture Two LLC [Member] CP Venture Two LLC [Member] CF Murfreesboro Associates [Member] CF Murfreesboro Associates [Member] CF Murfreesboro Associates. Other Equity Method Investee [Member] Other Equity Method Investee [Member] Other Equity Method Investee [Member] Schedule of Equity Method Investments [Line Items] Schedule of Equity Method Investments [Line Items] Summary of financial data and principal activities of Company's Unconsolidated Joint Ventures Equity Method Investment, Summarized Financial Information [Abstract] SUMMARY OF FINANCIAL POSITION: Equity Method Investment Summarized Financial Information Financial Position [Abstract] Equity method investment summarized financial information financial position. Total Assets Equity Method Investment, Summarized Financial Information, Assets Total Debt Equity Method Investment Summarized Financial Information Debt Equity method investment summarized financial information debt. Total Equity Equity Method Investment Summarized Financial Information, Equity Company's Investment Equity Method Investments Including those with Negative Balances The carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee, including those with credit balances. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized. SUMMARY OF OPERATIONS: Equity Method Investment, Summarized Financial Information, Income Statement [Abstract] Total Revenues Equity Method Investment, Summarized Financial Information, Revenue Net Income (Loss) Equity Method Investment, Summarized Financial Information, Net Income (Loss) Income (Loss) from Equity Method Investments Gross of Impairment Charges ncome (Loss) from Equity Method Investments Gross of Impairment Charges ncome (Loss) from Equity Method Investments Gross of Impairment Charges Debt Instrument, Fair Value Disclosure Debt Instrument, Fair Value Disclosure Disclosure of Compensation Related Costs, Share-based Payments [Abstract] STOCK-BASED COMPENSATION Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Statement of Stockholders' Equity [Abstract] Statement, Equity Components [Axis] Equity Components [Axis] Total Equity (Domain) Equity Component [Domain] Preferred Stock Preferred Stock [Member] Common Stock Common Stock [Member] Additional Paid-In Capital Additional Paid-in Capital [Member] Treasury Stock Treasury Stock [Member] Distributions in Excess of Net Income Retained Earnings [Member] Stockholders' Investment Parent [Member] Nonredeemable Noncontrolling Interests Noncontrolling Interest [Member] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Net Income (Loss) Attributable to Parent Net Income (Loss) in Statement on Equity Net Income (Loss) in Statement on Equity Net Income (Loss) in Statement on Equity Beginning Balance Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Common stock issued pursuant to: Common Stock Issued Pursuant to [Abstract] Common stock issued pursuant to. Stock Issued During Period, Value, Stock Options Exercised Stock Issued During Period, Value, Stock Options Exercised Stock Issued During Period, Value, New Issues Stock Issued During Period, Value, New Issues Restricted stock grants, net of amounts withheld for income taxes Stock Issued During Period, Value, Restricted Stock Award, Gross Amortization of stock options and restricted stock, net of forfeitures Amortization of stock options and restricted stock, net of forfeitures Amortization of stock options and restricted stock, net of forfeitures Distributions to noncontrolling interests Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Cash preferred dividends paid Dividends, Preferred Stock, Cash Cash common dividends paid Dividends, Common Stock, Cash Ending Balance ASSETS Assets [Abstract] Operating properties, net of accumulated depreciation of $218,123 and $255,128 in 2013 and 2012, respectively Rental Properties Projects under development, net of accumulated depreciation of $359 and $183 in 2013 and 2012, respectively Development in Process Land held Land Held Carrying amount of land held for development, investment or sale. Total properties Real Estate Investment Property, Net OPERATING PROPERTY AND RELATED ASSETS HELD FOR SALE, net of accumulated depreciation of $2,947 in 2013 and 2012 Assets Held-for-sale, Long Lived CASH AND CASH EQUIVALENTS Cash and Cash Equivalents, at Carrying Value RESTRICTED CASH Restricted Cash and Cash Equivalents NOTES AND ACCOUNTS RECEIVABLE, net of allowance for doubtful accounts of $1,734 and $1,743 in 2013 and 2012, respectively Accounts and Notes Receivable, Net DEFERRED RENTS RECEIVABLE Deferred Rent Receivables, Net INVESTMENT IN UNCONSOLIDATED JOINT VENTURES Equity Method Investments Intangible assets, net of accumulated amortization of $37,544 and $37,544 in 2014 and 2013, respectively Intangible Assets, Net (Including Goodwill) OTHER ASSETS TOTAL ASSETS Assets LIABILITIES AND EQUITY Liabilities and Equity [Abstract] NOTES PAYABLE ACCOUNTS PAYABLE AND ACCRUED EXPENSES Accounts Payable and Accrued Liabilities DEFERRED INCOME Deferred Revenue, Current Intangible liabilities, net of accumulated amortization of $6,323 and $6,323 in 2014 and 2013, respectively Intangible Liabilities Intangible Liabilities OTHER LIABILITIES Other Liabilities TOTAL LIABILITIES Liabilities STOCKHOLDERS' INVESTMENT: Stockholders' Equity Attributable to Parent [Abstract] Preferred stock, 7.50% Series B cumulative redeemable preferred stock, $1 par value, $25 liquidation preference, 20,000,000 shares authorized, 3,791,000 shares issued and outstanding in 2014 and 2013 Preferred Stock, Value, Issued Common stock, $1 par value, 250,000,000 shares authorized, 193,236,454 and 193,236,454 shares issued in 2014 and 2013, respectively Common Stock, Value, Issued Additional paid-in capital Additional Paid in Capital, Common Stock Treasury stock at cost, 3,570,082 shares in 2014 and 2013 Treasury Stock, Value Distributions in excess of cumulative net income Accumulated Distributions in Excess of Net Income TOTAL STOCKHOLDERS’ INVESTMENT Stockholders' Equity Attributable to Parent Nonredeemable noncontrolling interests Stockholders' Equity Attributable to Noncontrolling Interest TOTAL EQUITY TOTAL LIABILITIES AND EQUITY Liabilities and Equity Intangible Assets In-place leases, net of accumulated amortization of $7,640 and $5,729 in 2013 and 2012, respectively Finite-Lived Intangible Asset, Acquired-in-Place Leases Above market leases, net of accumulated amortization of $9,727 and $9,424 in 2013 and 2012, respectively Finite Lived Intangible Asset Above Market Leases Net This element represents the carrying value of identifiable intangible assets established upon acquisition based on a favorable difference between the terms of an acquired lease and the current market terms for that lease at the acquisition date. Finite Lived Intangible Asset Below Market Ground Leases Net Finite Lived Intangible Asset Below Market Ground Leases Net Finite Lived Intangible Asset Below Market Ground Leases Net Goodwill Intangible Assets, Net (Including Goodwill) Accumulated amortization of in place leases Accumulated Amortization of Finite Lived Intangible Asset Acquired in Place Leases Accumulated amortization of finite-lived intangible asset, acquired-in-place leases. Accumulated amortization of finite-lived intangible assets, above market leases Accumulated Amortization of Finite Lived Intangible Assets Above Market Leases Accumulated amortization of finite-lived intangible assets, above market leases. Accumulated Amortization of Finite Lived Intangible Assets Below Market Ground Leases Accumulated Amortization of Finite Lived Intangible Assets Below Market Ground Leases Accumulated Amortization of Finite Lived Intangible Assets Below Market Ground Leases Other Assets Disclosure [Text Block] Other Assets Disclosure [Text Block] Stock-Based Compensation [Abstract] Stock-Based Compensation [Abstract] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Award Type [Axis] Award Type [Axis] Award Type [Domain] Equity Award [Domain] Restricted Stock [Member] Restricted Stock [Member] SNL RSUs [Member] SNL RSUs [Member] SNL RSUs. FFO RSUs [Member] FFO RSUs [Member] FFO RSUs. Performance based Restricted Stock Unit [Member] Performance based Restricted Stock Unit [Member] Performance-based Restricted Stock Unit. Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Allocated Share-based Compensation Expense Allocated Share-based Compensation Expense Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Payout Range Minimum Payout Range Minimum Payout range minimum. Payout Range Maximum Payout Range Maximum Payout range maximum. Payout Per Unit Average Thirty Days Closing Price Payout Per Unit Average Thirty Days Closing Price Payout per unit average 30 days closing price. Earnings Per Share [Abstract] EARNINGS PER SHARE Earnings Per Share [Text Block] Weighted average shares - basic Dilutive potential common shares - stock options Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements Weighted average shares - diluted Anti-dilutive options Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Outstanding letters of credit and performance bonds Outstanding letters of credit and performance bonds Outstanding letters of credit and performance bonds as of the balance sheet date. Outstanding Commitments to Fund Real Estate Projects Outstanding Commitments to Fund Real Estate Projects Outstanding commitments to fund real estate projects. Operating Leases, Future Minimum Payments Due Operating Leases, Future Minimum Payments Due Statement of Cash Flows [Abstract] Net income Adjustments to reconcile net loss to net cash provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Gain on sale of investment properties, including discontinued operations Gain Loss on Sale of Investment Properties Including Discontinued Operations Loss (gain) on sale of investment properties, net Depreciation and amortization, including discontinued operations Depreciation and Amortization, including Discontinued Operations Depreciation and Amortization, including the amounts relating to discontinued operations. This tag is used for the cash flow statement as well as reportable segments, and not used on the income statement. Amortization of deferred financing costs Amortization of Financing Costs Amortization of stock options and restricted stock, net Amortization of stock options and restricted stock, net Amortization of stock options and restricted stock, net Effect of certain non-cash adjustments to rental revenues Straight Line Rent Income Loss from Unconsolidated Joint Ventures Income Loss from Unconsolidated Joint Ventures Total income (loss) from unconsolidated joint ventures. Operating distributions from unconsolidated joint ventures Proceeds from Equity Method Investment, Dividends or Distributions Land and multi-family cost of sales, net of closing costs paid Residential Lot Outparcel and Multi Family Cost of Sales Net of Closing Costs Paid Residential lot, outparcel and multi-family cost of sales, net of closing costs paid Changes in other operating assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] Change in other receivables and other assets, net Increase (Decrease) in Other Operating Assets Change in operating liabilities Increase (Decrease) in Accounts Payable and Accrued Liabilities Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities CASH FLOWS FROM INVESTING ACTIVITIES: Net Cash Provided by (Used in) Investing Activities [Abstract] Proceeds from investment property sales Proceeds from Sale of Real Estate Held-for-investment Property acquisition, development and tenant asset expenditures Payments to Acquire and Develop Real Estate and Tenant Asset Expenditures The cash outflow from the acquisition of land and buildings, and payments to develop real estate assets by adding improvements to land or buildings. Also, includes the cash outflow for monetary allowances granted to lessees and/or direct costs incurred by lessor used to prepare the leased premises for tenant's occupancy and costs that are essential to acquiring the lease and would not otherwise have been incurred without the lease agreement, including evaluating the lessee's credit condition, guarantees, and collateral and costs incurred in negotiating, processing, executing the lease agreement, and any commission(s) incurred. Investment in unconsolidated joint ventures Payments to Acquire Equity Method Investments Distributions from unconsolidated joint ventures Distributions from Unconsolidated Joint Ventures This item represents disclosure of the amount of dividends or other distributions received from unconsolidated subsidiaries accounted for under the equity method of accounting that constitute a return of investment, not a return on investment (which are classified in operating activities). Collection of notes receivable Proceeds from Sale and Collection of Notes Receivable Change in notes receivable and other assets Payments for (Proceeds from) Other Investing Activities Change in restricted cash Increase (Decrease) in Restricted Cash Net cash provided by (used in) investing activities Net Cash Provided by (Used in) Investing Activities CASH FLOWS FROM FINANCING ACTIVITIES: Net Cash Provided by (Used in) Financing Activities [Abstract] Proceeds from credit facility Proceeds from Unsecured Lines of Credit Repayment of credit facility Repayments of Lines of Credit Proceeds from other notes payable Proceeds from Notes Payable Repayment of notes payable Repayments of Notes Payable Common dividends paid Payments of Ordinary Dividends, Common Stock Preferred dividends paid Payments of Ordinary Dividends, Preferred Stock and Preference Stock Distributions to noncontrolling interests Payments to Noncontrolling Interests Net cash provided by (used in) financing activities Net Cash Provided by (Used in) Financing Activities NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS Cash and Cash Equivalents, Period Increase (Decrease) CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD CASH AND CASH EQUIVALENTS AT END OF PERIOD INTEREST PAID, NET OF AMOUNTS CAPITALIZED Interest Paid, Net Summary of terms of notes payable Schedule of Debt [Table Text Block] Summary of interest Interest Costs Incurred Net of Amounts Capitalized [Table Text Block] Interest costs incurred, net of amounts capitalized. Redeemable Noncontrolling Interest [Table Text Block] Redeemable Noncontrolling Interest [Table Text Block] Reconcile Net Income Attributable to Nonredeemable Noncontrolling Interests Components on Noncontrolling Interests [Table Text Block] Components on noncontrolling interests. Property Transactions [Abstract] Property transactions. Discontinued Operations, Gain (Loss) on Sale of Investment Properties [Table] Discontinued Operations, Gain (Loss) on Sale of Investment Properties [Table] Discontinued Operations, Gain (Loss) on Sale of Investment Properties [Table] King Mill Distribution Park Building Three [Member] King Mill Distribution Park Building Three [Member] King Mill Distribution Park Building 3. Other Discontinued Operations [Member] Other Discontinued Operations [Member] Other Discontinued Operations [Member] Statement, Operating Activities Segment [Axis] Operating Activities [Axis] Segment, Operating Activities [Domain] Operating Activities [Domain] Segment, Discontinued Operations [Member] Discontinued Operations [Member] Discontinued Operations [Line Items] Discontinued Operations [Line Items] Discontinued Operations [Line Items] Rental property revenues Disposal Group, Including Discontinued Operation, Revenue Fee Income Disposal Group, including Discontinued Operations, Fee Income Disposal Group, including Discontinued Operations, Fee Income Other Income Rental property operating expenses Disposal Group, Including Discontinued Operation, Operating Expense Reimbursed Expenses Disposal Groups, Including Discontinued Operation, Reimbursed Expenses Disposal Groups, Including Discontinued Operation, Reimbursed Expenses General and Administrative Expense Disposal Groups, Including Discontinued Operation, General and Administrative Expense Disposal Groups, Including Discontinued Operation, General and Administrative Expense Depreciation and amortization Discontinued Operations Depreciation Expense Discontinued operations, depreciation expense. Discontinued Operations Other Expense Discontinued Operations Other Expense Discontinued Operations Other Expense Income (Loss) from Discontinued Operations Gain (Loss) on Disposal of Discontinued Operation Schedule of Weighted Average Number of Shares Schedule of Weighted Average Number of Shares [Table Text Block]