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 EQUITY (Unaudited) link:presentationLink link:calculationLink link:definitionLink 9952156 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) link:presentationLink link:calculationLink link:definitionLink 9952157 - Disclosure - Presentation of Financial Statements and Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 9952158 - Disclosure - Vantage Acquisition link:presentationLink link:calculationLink link:definitionLink 9952159 - Disclosure - Pershing Square link:presentationLink link:calculationLink link:definitionLink 9952160 - Disclosure - Investments in Fixed Maturity and Equity Securities link:presentationLink link:calculationLink link:definitionLink 9952161 - Disclosure - Investments in Unconsolidated Ventures link:presentationLink link:calculationLink link:definitionLink 9952162 - Disclosure - Mortgages, Notes, and Loans Payable, Net link:presentationLink link:calculationLink link:definitionLink 9952163 - Disclosure - Derivative Instruments and Hedging Activities link:presentationLink link:calculationLink link:definitionLink 9952164 - Disclosure - Fair Value link:presentationLink link:calculationLink link:definitionLink 9952165 - Disclosure - Reserves for Claims and Claim Expenses link:presentationLink link:calculationLink link:definitionLink 9952166 - Disclosure - Acquisitions and Dispositions of Real Estate Assets link:presentationLink link:calculationLink link:definitionLink 9952167 - Disclosure - Other Assets and Liabilities link:presentationLink link:calculationLink link:definitionLink 9952168 - Disclosure - Commitments and Contingencies link:presentationLink link:calculationLink link:definitionLink 9952169 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 9952170 - Disclosure - Warrants link:presentationLink link:calculationLink link:definitionLink 9952171 - Disclosure - Accumulated Other Comprehensive Income (Loss) link:presentationLink link:calculationLink link:definitionLink 9952172 - Disclosure - Earnings Per Share link:presentationLink link:calculationLink link:definitionLink 9952173 - Disclosure - Revenues link:presentationLink link:calculationLink link:definitionLink 9952174 - Disclosure - Leases link:presentationLink link:calculationLink link:definitionLink 9952175 - 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 - Vantage Acquisition (Tables) link:presentationLink link:calculationLink link:definitionLink 9955514 - Disclosure - Investments in Fixed Maturity and Equity Securities (Tables) link:presentationLink link:calculationLink link:definitionLink 9955515 - Disclosure - Investments in Unconsolidated Ventures (Tables) link:presentationLink link:calculationLink link:definitionLink 9955516 - Disclosure - Mortgages, Notes, and Loans Payable, Net (Tables) link:presentationLink link:calculationLink link:definitionLink 9955517 - Disclosure - Derivative Instruments and Hedging Activities (Tables) link:presentationLink link:calculationLink link:definitionLink 9955518 - Disclosure - Fair Value (Tables) link:presentationLink link:calculationLink link:definitionLink 9955519 - Disclosure - Reserves for Claims and Claim Expenses (Tables) link:presentationLink link:calculationLink link:definitionLink 9955520 - Disclosure - Other Assets and Liabilities (Tables) link:presentationLink link:calculationLink link:definitionLink 9955521 - Disclosure - Income Taxes (Tables) link:presentationLink link:calculationLink link:definitionLink 9955522 - Disclosure - Accumulated Other Comprehensive Income (Loss) (Tables) link:presentationLink link:calculationLink link:definitionLink 9955523 - Disclosure - Earnings Per Share (Tables) link:presentationLink link:calculationLink link:definitionLink 9955524 - Disclosure - Revenues (Tables) link:presentationLink link:calculationLink link:definitionLink 9955525 - Disclosure - Leases (Tables) link:presentationLink link:calculationLink link:definitionLink 9955526 - Disclosure - Segments (Tables) link:presentationLink link:calculationLink link:definitionLink 9955527 - Disclosure - Presentation of Financial Statements and Significant Accounting Policies - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955528 - Disclosure - Presentation of Financial Statements and Significant Accounting Policies - Effect of Reinsurance on Premiums and Earned (Details) link:presentationLink link:calculationLink link:definitionLink 9955529 - Disclosure - Presentation of Financial Statements and Significant Accounting Policies - Total Gross Premiums Written (Details) link:presentationLink link:calculationLink link:definitionLink 9955530 - Disclosure - Presentation of Financial Statements and Significant Accounting Policies - Accounts Receivable, Net (Details) link:presentationLink link:calculationLink link:definitionLink 9955531 - 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 9955532 - Disclosure - Presentation of Financial Statements and Significant Accounting Policies - Condensed Consolidated Balance Sheets (Details) link:presentationLink link:calculationLink link:definitionLink 9955533 - Disclosure - Vantage Acquisition - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955534 - Disclosure - Vantage Acquisition - Preliminary Fair Value of Net Assets Acquired and Liabilities Assumed (Details) link:presentationLink link:calculationLink link:definitionLink 9955535 - Disclosure - Vantage Acquisition - Indefinite-Lived and Finite-Lived Intangible Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955536 - Disclosure - Vantage Acquisition - Finite-Lived Intangible Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955537 - Disclosure - Vantage Acquisition - Future Net Amortization Expense For Acquired Finite-Lived Intangible Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955537 - Disclosure - Vantage Acquisition - Future Net Amortization Expense For Acquired Finite-Lived Intangible Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955538 - Disclosure - Vantage Acquisition - Post-Acquisition Financial Results (Details) link:presentationLink link:calculationLink link:definitionLink 9955539 - Disclosure - Vantage Acquisition - Supplemental Pro Forma Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955540 - Disclosure - Pershing Square (Details) link:presentationLink link:calculationLink link:definitionLink 9955541 - Disclosure - Investments in Fixed Maturity and Equity Securities - Narratives (Details) link:presentationLink link:calculationLink link:definitionLink 9955542 - Disclosure - Investments in Fixed Maturity and Equity Securities - AFS Fixed Maturity Securities (Details) link:presentationLink link:calculationLink link:definitionLink 9955543 - Disclosure - Investments in Fixed Maturity and Equity Securities - Estimated Fair Values of AFS Fixed Maturity Securities (Details) link:presentationLink link:calculationLink link:definitionLink 9955544 - Disclosure - Investments in Fixed Maturity and Equity Securities - Proceeds and Gross Realized Gains and Losses (Details) link:presentationLink link:calculationLink link:definitionLink 9955545 - Disclosure - Investments in Fixed Maturity and Equity Securities - Investment in Equity Securities (Details) link:presentationLink link:calculationLink link:definitionLink 9955546 - Disclosure - Investments in Fixed Maturity and Equity Securities - Net Investment Income (Details) link:presentationLink link:calculationLink link:definitionLink 9955547 - Disclosure - Investments in Unconsolidated Ventures - Summary of Equity Investments in Real Estate and Other Affiliates (Details) link:presentationLink link:calculationLink link:definitionLink 9955547 - Disclosure - Investments in Unconsolidated Ventures - Summary of Equity Investments in Real Estate and Other Affiliates (Details) link:presentationLink link:calculationLink link:definitionLink 9955548 - Disclosure - Investments in Unconsolidated Ventures - The Summit (Details) link:presentationLink link:calculationLink link:definitionLink 9955549 - Disclosure - Investments in Unconsolidated Ventures - Floreo (Details) link:presentationLink link:calculationLink link:definitionLink 9955550 - Disclosure - Investments in Unconsolidated Ventures - Aspect (Details) link:presentationLink link:calculationLink link:definitionLink 9955551 - Disclosure - Investments in Unconsolidated Ventures - West End Alexandria (Details) link:presentationLink link:calculationLink link:definitionLink 9955552 - Disclosure - Mortgages, Notes, and Loans Payable, Net - Summary of Mortgages, Notes, and Loans Payable (Details) link:presentationLink link:calculationLink link:definitionLink 9955553 - Disclosure - Mortgages, Notes, and Loans Payable, Net - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955554 - Disclosure - Mortgages, Notes, and Loans Payable, Net - Schedule of Senior Unsecured Note (Details) link:presentationLink link:calculationLink link:definitionLink 9955555 - Disclosure - Mortgages, Notes, and Loans Payable, Net - Schedule of Secured Mortgages Payable (Details) link:presentationLink link:calculationLink link:definitionLink 9955556 - Disclosure - Derivative Instruments and Hedging Activities - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955557 - Disclosure - Derivative Instruments and Hedging Activities - Notional Amount and Fair Value of Derivatives (Details) link:presentationLink link:calculationLink link:definitionLink 9955557 - Disclosure - Derivative Instruments and Hedging Activities - Notional Amount and Fair Value of Derivatives (Details) link:presentationLink link:calculationLink link:definitionLink 9955558 - Disclosure - Derivative Instruments and Hedging Activities - Impact of Financial Instruments on Statement of Operations (Details) link:presentationLink link:calculationLink link:definitionLink 9955558 - Disclosure - Derivative Instruments and Hedging Activities - Impact of Financial Instruments on Statement of Operations (Details) link:presentationLink link:calculationLink link:definitionLink 9955559 - Disclosure - Fair Value - Assets Measured on a Recurring Basis (Details) link:presentationLink link:calculationLink link:definitionLink 9955560 - Disclosure - Fair Value - Assets and Liabilities Not Measured at Fair Value (Details) link:presentationLink link:calculationLink link:definitionLink 9955561 - Disclosure - Reserves for Claims and Claim Expenses (Details) link:presentationLink link:calculationLink link:definitionLink 9955562 - Disclosure - Acquisitions and Dispositions of Real Estate Assets - Acquisitions Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955563 - Disclosure - Acquisitions and Dispositions of Real Estate Assets - Dispositions Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955564 - Disclosure - Other Assets and Liabilities - Other Assets, Net (Details) link:presentationLink link:calculationLink link:definitionLink 9955565 - Disclosure - Other Assets and Liabilities - Other Liabilities, Net (Details) link:presentationLink link:calculationLink link:definitionLink 9955566 - Disclosure - Commitments and Contingencies (Details) link:presentationLink link:calculationLink link:definitionLink 9955567 - Disclosure - Income Taxes (Details) link:presentationLink link:calculationLink link:definitionLink 9955568 - Disclosure - Warrants (Details) link:presentationLink link:calculationLink link:definitionLink 9955569 - Disclosure - Accumulated Other Comprehensive Income (Loss) - Summary of Changes in Accumulated Other Comprehensive Income (Details) link:presentationLink link:calculationLink link:definitionLink 9955570 - Disclosure - Accumulated Other Comprehensive Income (Loss) - Summary of Amounts Reclassified Out of AOCI (Details) link:presentationLink link:calculationLink link:definitionLink 9955571 - Disclosure - Earnings Per Share - Information Related to EPS Calculation (Details) link:presentationLink link:calculationLink link:definitionLink 9955572 - Disclosure - Earnings Per Share - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955573 - Disclosure - Revenues - Schedule of Disaggregation of Revenue (Details) link:presentationLink link:calculationLink link:definitionLink 9955574 - Disclosure - Revenues - Schedule of Contract with Customer, Assets and Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955575 - Disclosure - Revenues - Schedule of Remaining Unsatisfied Performance Obligations (Details) link:presentationLink link:calculationLink link:definitionLink 9955575 - Disclosure - Revenues - Schedule of Remaining Unsatisfied Performance Obligations (Details) link:presentationLink link:calculationLink link:definitionLink 9955576 - Disclosure - Leases - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955577 - Disclosure - Leases - Leased Assets and Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955578 - Disclosure - Leases - Lease Liability Maturity (Details) link:presentationLink link:calculationLink link:definitionLink 9955578 - Disclosure - Leases - Lease Liability Maturity (Details) link:presentationLink link:calculationLink link:definitionLink 9955579 - Disclosure - Leases - Other Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955580 - Disclosure - Leases - Minimum Rent Payments Received (Details) link:presentationLink link:calculationLink link:definitionLink 9955581 - Disclosure - Segments - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955582 - Disclosure - Segments - Segment Operating Results (Details) link:presentationLink link:calculationLink link:definitionLink 9955583 - Disclosure - Segments - Income (Loss) by Segment and Reconciliation of Segment EBT (Details) link:presentationLink link:calculationLink link:definitionLink 9955584 - Disclosure - Segments - Revenue by Segment and Reconciliation of Segment Revenue (Details) link:presentationLink link:calculationLink link:definitionLink 9955585 - Disclosure - Segments - Assets by Segment and Reconciliation of Segment Assets to Total Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955586 - Disclosure - Segments - Capital Expenditures by Segment (Details) link:presentationLink link:calculationLink link:definitionLink