0000001 - Document - Cover Page link:presentationLink link:calculationLink link:definitionLink 9952151 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) link:presentationLink link:calculationLink link:definitionLink 9952152 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952153 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) link:presentationLink link:calculationLink link:definitionLink 9952154 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Unaudited) link:presentationLink link:calculationLink link:definitionLink 9952155 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Unaudited) (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952156 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF EQUITY (Unaudited) link:presentationLink link:calculationLink link:definitionLink 9952157 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF EQUITY (Unaudited) (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952158 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) link:presentationLink link:calculationLink link:definitionLink 9952159 - Disclosure - Presentation of Financial Statements and Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 9952160 - Disclosure - Investments in Unconsolidated Ventures link:presentationLink link:calculationLink link:definitionLink 9952161 - Disclosure - Acquisitions and Dispositions link:presentationLink link:calculationLink link:definitionLink 9952162 - Disclosure - Impairment link:presentationLink link:calculationLink link:definitionLink 9952163 - Disclosure - Other Assets and Liabilities link:presentationLink link:calculationLink link:definitionLink 9952164 - Disclosure - Mortgages, Notes, and Loans Payable, Net link:presentationLink link:calculationLink link:definitionLink 9952165 - Disclosure - Fair Value link:presentationLink link:calculationLink link:definitionLink 9952166 - Disclosure - Derivative Instruments and Hedging Activities link:presentationLink link:calculationLink link:definitionLink 9952167 - Disclosure - Commitments and Contingencies link:presentationLink link:calculationLink link:definitionLink 9952168 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 9952169 - Disclosure - Accumulated Other Comprehensive Income (Loss) link:presentationLink link:calculationLink link:definitionLink 9952170 - Disclosure - Revenues link:presentationLink link:calculationLink link:definitionLink 9952171 - Disclosure - Leases link:presentationLink link:calculationLink link:definitionLink 9952172 - Disclosure - Segments link:presentationLink link:calculationLink link:definitionLink 9955511 - Disclosure - Presentation of Financial Statements and Significant Accounting Policies (Policies) link:presentationLink link:calculationLink link:definitionLink 9955512 - Disclosure - Presentation of Financial Statements and Significant Accounting Policies (Tables) link:presentationLink link:calculationLink link:definitionLink 9955513 - Disclosure - Investments in Unconsolidated Ventures (Tables) link:presentationLink link:calculationLink link:definitionLink 9955514 - Disclosure - Other Assets and Liabilities (Tables) link:presentationLink link:calculationLink link:definitionLink 9955515 - Disclosure - Mortgages, Notes, and Loans Payable, Net (Tables) link:presentationLink link:calculationLink link:definitionLink 9955516 - Disclosure - Fair Value (Tables) link:presentationLink link:calculationLink link:definitionLink 9955517 - Disclosure - Derivative Instruments and Hedging Activities (Tables) link:presentationLink link:calculationLink link:definitionLink 9955518 - Disclosure - Income Taxes (Tables) link:presentationLink link:calculationLink link:definitionLink 9955519 - Disclosure - Accumulated Other Comprehensive Income (Loss) (Tables) link:presentationLink link:calculationLink link:definitionLink 9955520 - Disclosure - Revenues (Tables) link:presentationLink link:calculationLink link:definitionLink 9955521 - Disclosure - Leases (Tables) link:presentationLink link:calculationLink link:definitionLink 9955522 - Disclosure - Segments (Tables) link:presentationLink link:calculationLink link:definitionLink 9955523 - Disclosure - Presentation of Financial Statements and Significant Accounting Policies - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955524 - Disclosure - Presentation of Financial Statements and Significant Accounting Policies - Accounts Receivable, Net (Details) link:presentationLink link:calculationLink link:definitionLink 9955525 - Disclosure - Presentation of Financial Statements and Significant Accounting Policies - Impacts of the ASC 842 and ASC 450 Reserves (Details) link:presentationLink link:calculationLink link:definitionLink 9955526 - Disclosure - Presentation of Financial Statements and Significant Accounting Policies - Condensed Consolidated Balance Sheets (Details) link:presentationLink link:calculationLink link:definitionLink 9955527 - Disclosure - Investments in Unconsolidated Ventures - Summary of Equity Investments in Real Estate and Other Affiliates (Details) link:presentationLink link:calculationLink link:definitionLink 9955528 - Disclosure - Investments in Unconsolidated Ventures - The Summit (Details) link:presentationLink link:calculationLink link:definitionLink 9955529 - Disclosure - Investments in Unconsolidated Ventures - Floreo (Details) link:presentationLink link:calculationLink link:definitionLink 9955530 - Disclosure - Investments in Unconsolidated Ventures - Aspect (Details) link:presentationLink link:calculationLink link:definitionLink 9955531 - Disclosure - Investments in Unconsolidated Ventures - West End Alexandria (Details) link:presentationLink link:calculationLink link:definitionLink 9955532 - Disclosure - Acquisitions and Dispositions - Acquisitions Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955533 - Disclosure - Acquisitions and Dispositions - Dispositions Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955534 - Disclosure - Other Assets and Liabilities - Other Assets, Net (Details) link:presentationLink link:calculationLink link:definitionLink 9955535 - Disclosure - Other Assets and Liabilities - Accounts Payable and Other Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955536 - Disclosure - Mortgages, Notes, and Loans Payable, Net - Summary of Mortgages, Notes and Loans Payable (Details) link:presentationLink link:calculationLink link:definitionLink 9955537 - Disclosure - Mortgages, Notes, and Loans Payable, Net - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955538 - Disclosure - Mortgages, Notes, and Loans Payable, Net - Schedule of Senior Unsecured Notes (Details) link:presentationLink link:calculationLink link:definitionLink 9955539 - Disclosure - Mortgages, Notes, and Loans Payable, Net - Schedule of Secured Mortgages Payable (Details) link:presentationLink link:calculationLink link:definitionLink 9955540 - Disclosure - Fair Value - Assets Measured on a Recurring Basis (Details) link:presentationLink link:calculationLink link:definitionLink 9955541 - Disclosure - Fair Value - Assets and Liabilities Not Measured at Fair Value (Details) link:presentationLink link:calculationLink link:definitionLink 9955542 - Disclosure - Fair Value - Fair Value on a Non-Recurring Basis (Details) link:presentationLink link:calculationLink link:definitionLink 9955543 - Disclosure - Derivative Instruments and Hedging Activities - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955544 - Disclosure - Derivative Instruments and Hedging Activities - Notional Amount and Fair Value of Derivatives (Details) link:presentationLink link:calculationLink link:definitionLink 9955545 - Disclosure - Derivative Instruments and Hedging Activities - Impact of Financial Instruments on Statement of Operations (Details) link:presentationLink link:calculationLink link:definitionLink 9955546 - Disclosure - Commitments and Contingencies (Details) link:presentationLink link:calculationLink link:definitionLink 9955547 - Disclosure - Income Taxes (Details) link:presentationLink link:calculationLink link:definitionLink 9955548 - Disclosure - Accumulated Other Comprehensive Income (Loss) - Summary of Changes in Accumulated Other Comprehensive Income (Details) link:presentationLink link:calculationLink link:definitionLink 9955549 - Disclosure - Accumulated Other Comprehensive Income (Loss) - Summary of Amounts Reclassified Out of AOCI (Details) link:presentationLink link:calculationLink link:definitionLink 9955550 - Disclosure - Revenues - Summary of Disaggregation of Revenue (Details) link:presentationLink link:calculationLink link:definitionLink 9955551 - Disclosure - Revenues - Summary of Contract with Customer, Assets and Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955552 - Disclosure - Revenues - Summary of Remaining Unsatisfied Performance Obligations (Details) link:presentationLink link:calculationLink link:definitionLink 9955552 - Disclosure - Revenues - Summary of Remaining Unsatisfied Performance Obligations (Details) link:presentationLink link:calculationLink link:definitionLink 9955553 - Disclosure - Leases - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955554 - Disclosure - Leases - Leased Assets and Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955555 - Disclosure - Leases - Lease Liability Maturity (Details) link:presentationLink link:calculationLink link:definitionLink 9955555 - Disclosure - Leases - Lease Liability Maturity (Details) link:presentationLink link:calculationLink link:definitionLink 9955556 - Disclosure - Leases - Other Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955557 - Disclosure - Leases - Minimum Rent Payments Received (Details) link:presentationLink link:calculationLink link:definitionLink 9955558 - Disclosure - Segments - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955559 - Disclosure - Segments - Segment Operating Results (Details) link:presentationLink link:calculationLink link:definitionLink 9955560 - Disclosure - Segments - Income (Loss) by Segment and Reconciliation of Segment EBT (Details) link:presentationLink link:calculationLink link:definitionLink 9955561 - Disclosure - Segments - Revenue by Segment and Reconciliation of Segment Revenue (Details) link:presentationLink link:calculationLink link:definitionLink 9955562 - Disclosure - Segments - Assets by Segment and Reconciliation of Segment Assets to Total Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955563 - Disclosure - Segments - Capital Expenditures by Segment (Details) link:presentationLink link:calculationLink link:definitionLink