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Mortgages and Notes Payable (Details) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) numberOfBuildings | Dec. 31, 2019
Debt Instrument [Line Items] |  |  |  |
Mortgages and notes payable, net | $ 3,213,206,000 | $ 3,197,215,000 |  |
Less-unamortized debt issuance costs | (17,739,000) | (16,393,000) |  |
Scheduled future principal payments [Abstract] |  |  |  |
2024 | 6,944,000 |  |  |
2025 | 27,156,000 |  |  |
2026 | 206,922,000 |  |  |
2027 | 458,976,000 |  |  |
2028 | 699,168,000 |  |  |
Thereafter | 1,831,779,000 |  |  |
Less-unamortized debt issuance costs | (17,739,000) | (16,393,000) |  |
Mortgages and notes payable, net | 3,213,206,000 | 3,197,215,000 |  |
Gains/(losses) on debt extinguishment | $ (602,000) | 0 | $ (286,000) |
Lender covenant compliance to accelerate outstanding borrowings | 51.00% |  |  |
Cross-default minimum threshold | $ 35,000,000 |  |  |
Holders covenant compliance of bonds | 25.00% |  |  |
Uncured covenant compliance default period | 60 days |  |  |
Maximum liquidity requirements | 1 year |  |  |
Capitalized Interest [Abstract] |  |  |  |
Capitalized Interest | $ 9,000,000 | 4,000,000 | $ 9,600,000 |
Variable Interest Entity, Primary Beneficiary [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Mortgages and notes payable, net | $ 44,192,000 | 0 |  |
Percentage of equity interest in consolidated affiliates |  |  |  | 80.00%
Effective interest rate (in hundredths) | 7.29% |  |  |
Scheduled future principal payments [Abstract] |  |  |  |
Mortgages and notes payable, net | $ 44,192,000 | 0 |  |
Principal amount of debt | 45,000,000 |  |  |
Debt issuance costs | $ 800,000 |  |  |
Term of debt instrument (in years) | 5 years |  |  |
Floating to Fixed Interest Rate Swaps (2017) [Member] |  |  |  |
Scheduled future principal payments [Abstract] |  |  |  |
Amount of borrowings outstanding, subject to swaps | $ 50,000,000 |  |  |
Underlying treasury rate term (in years) | 1 month |  |  |
Weighted average interest rate under derivative instruments (in hundredths) | 1.693% |  |  |
2023 Forward Starting Swaps [Member] |  |  |  |
Scheduled future principal payments [Abstract] |  |  |  |
Amount of borrowings outstanding, subject to swaps | $ 200,000,000 |  |  |
Underlying treasury rate term (in years) | 10 years |  |  |
Weighted average interest rate under derivative instruments (in hundredths) | 4.498% |  |  |
Gain on forward starting interest rate swaps | $ (500,000) |  |  |
5.69% Mortgage Loan due 2028 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Effective interest rate (in hundredths) | 5.69% |  |  |
Scheduled future principal payments [Abstract] |  |  |  |
Principal amount of debt | $ 200,000,000 |  |  |
Debt issuance costs | $ 1,300,000 |  |  |
Term of debt instrument (in years) | 5 years |  |  |
3.625% (3.752% effective rate) Notes due 2023 [Member] |  |  |  |
Scheduled future principal payments [Abstract] |  |  |  |
Principal amount of debt |  | $ 250,000,000 |  |
Stated interest rate (in hundredths) |  | 3.625% |  |
7.650% (7.836% effective rate) Notes due 2034 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Effective interest rate (in hundredths) | 7.836% |  |  |
Scheduled future principal payments [Abstract] |  |  |  |
Principal amount of debt | $ 350,000,000 |  |  |
Stated interest rate (in hundredths) | 7.65% |  |  |
Original issuance discount | $ 4,600,000 |  |  |
Debt issuance costs | 3,200,000 |  |  |
Gains/(losses) on debt extinguishment | (600,000) |  |  |
Variable Rate Term Loan due 2026 [Member] |  |  |  |
Scheduled future principal payments [Abstract] |  |  |  |
Principal amount of debt |  | $ 200,000,000 |  |
Variable Rate Term Loan due 2027 [Member] |  |  |  |
Scheduled future principal payments [Abstract] |  |  |  |
Temporary reduction in interest rate due to sustainability goals (in hundredths) |  | 0.025% |  |
Principal amount of debt |  | $ 150,000,000 |  |
Debt issuance costs |  | $ 2,700,000 |  |
Variable Rate Term Loan due 2027 [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] |  |  |  |
Scheduled future principal payments [Abstract] |  |  |  |
Interest rate |  | SOFR |  |
Interest rate, basis spread (in hundredths) |  | 0.95% |  |
Variable Rate Term Loan due 2027 [Member] | SOFR Related Spread Adjustment [Member] |  |  |  |
Scheduled future principal payments [Abstract] |  |  |  |
Interest rate, basis spread (in hundredths) |  | 0.10% |  |
Variable Rate Term Loan due 2024 [Member] |  |  |  |
Scheduled future principal payments [Abstract] |  |  |  |
Temporary reduction in interest rate due to sustainability goals (in hundredths) |  | 0.01% |  |
Principal amount of debt |  | $ 200,000,000 |  |
Term of debt instrument (in years) |  | 2 years |  |
Variable Rate Term Loan due 2024 [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] |  |  |  |
Scheduled future principal payments [Abstract] |  |  |  |
Interest rate |  | SOFR |  |
Interest rate, basis spread (in hundredths) |  | 0.95% |  |
Variable Rate Term Loan due 2024 [Member] | SOFR Related Spread Adjustment [Member] |  |  |  |
Scheduled future principal payments [Abstract] |  |  |  |
Interest rate, basis spread (in hundredths) |  | 0.10% |  |
Revolving Credit Facility [Member] |  |  |  |
Scheduled future principal payments [Abstract] |  |  |  |
Maximum borrowing capacity on revolving credit facility | $ 750,000,000 |  |  |
Annual facility fee (in hundredths) | 0.20% |  |  |
Temporary reduction in interest rate due to sustainability goals (in hundredths) | 0.01% |  |  |
Amount outstanding on revolving credit facility | $ 20,000,000 |  |  |
Outstanding letters of credit on revolving credit facility | 900,000 |  |  |
Unused borrowing capacity on revolving credit facility | $ 729,100,000 |  |  |
Revolving Credit Facility [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] |  |  |  |
Scheduled future principal payments [Abstract] |  |  |  |
Interest rate | SOFR |  |  |
Interest rate, basis spread (in hundredths) | 0.85% |  |  |
Revolving Credit Facility [Member] | SOFR Related Spread Adjustment [Member] |  |  |  |
Scheduled future principal payments [Abstract] |  |  |  |
Interest rate, basis spread (in hundredths) | 0.10% |  |  |
PAC Portfolio Acquisition [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Effective interest rate (in hundredths) |  |  | 3.54% |
Scheduled future principal payments [Abstract] |  |  |  |
Principal amount of debt |  |  | $ 403,000,000 |
Debt issuance costs |  |  | $ 3,500,000 |
Term of debt instrument (in years) |  |  | 10 years 8 months 12 days |
Number of loans assumed in acquisition | numberOfBuildings |  |  | 4 |
Unsecured Bridge Facility Due 2022 [Member] |  |  |  |
Scheduled future principal payments [Abstract] |  |  |  |
Maximum borrowing capacity on revolving credit facility |  |  | $ 200,000,000 |
Interest rate, basis spread (in hundredths) |  |  | 0.85% |
Annual facility fee (in hundredths) |  |  | 0.20% |
Debt issuance costs |  |  | $ 1,000,000 |
Gains/(losses) on debt extinguishment |  |  | $ (200,000) |
Term of debt instrument (in years) |  |  | 6 months |
3.20% (3.363% effective rate) Notes due 2021 [Member] |  |  |  |
Scheduled future principal payments [Abstract] |  |  |  |
Principal amount of debt |  |  | $ 150,000,000 |
Stated interest rate (in hundredths) |  |  | 3.20% |
Gains/(losses) on debt extinguishment |  |  | $ (100,000) |
Carrying Amount of Notes, Total |  |  |  |
Scheduled future principal payments [Abstract] |  |  |  |
Principal amount of debt | $ 2,140,200,000 |  |  |
Secured indebtedness [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Mortgages and notes payable, net | 720,752,000 | $ 483,988,000 |  |
Aggregate undepreciated book value of secured real estate assets | 1,237,600,000 |  |  |
Annual repayments through principal amortization | 6,700,000 |  |  |
Scheduled future principal payments [Abstract] |  |  |  |
Mortgages and notes payable, net | 720,752,000 | 483,988,000 |  |
Secured indebtedness [Member] | 5.69% Mortgage Loan due 2028 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Mortgages and notes payable, net | 200,000,000 | 0 |  |
Scheduled future principal payments [Abstract] |  |  |  |
Mortgages and notes payable, net | 200,000,000 | 0 |  |
Secured indebtedness [Member] | 7.29% Mortgage Loan due 2028 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Mortgages and notes payable, net | 45,000,000 | 0 |  |
Scheduled future principal payments [Abstract] |  |  |  |
Mortgages and notes payable, net | 45,000,000 | 0 |  |
Secured indebtedness [Member] | 4.27% (3.61% effective rate) mortgage loan due 2028 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Mortgages and notes payable, net | 110,391,000 | 113,105,000 |  |
Unamortized premium | 2,700,000 | 3,300,000 |  |
Scheduled future principal payments [Abstract] |  |  |  |
Mortgages and notes payable, net | 110,391,000 | 113,105,000 |  |
Secured indebtedness [Member] | 4.0% Mortgage Loan Due 2029 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Mortgages and notes payable, net | 87,003,000 | 89,204,000 |  |
Scheduled future principal payments [Abstract] |  |  |  |
Mortgages and notes payable, net | 87,003,000 | 89,204,000 |  |
Secured indebtedness [Member] | 3.61% (3.19% effective rate) mortgage loan due 2029 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Mortgages and notes payable, net | 84,360,000 | 84,666,000 |  |
Unamortized premium | 1,700,000 | 2,000,000 |  |
Scheduled future principal payments [Abstract] |  |  |  |
Mortgages and notes payable, net | 84,360,000 | 84,666,000 |  |
Secured indebtedness [Member] | 3.40% (3.50% effective rate) mortgage loan due 2033 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Mortgages and notes payable, net | 69,524,000 | 69,473,000 |  |
Unamortized discount | 500,000 | 500,000 |  |
Scheduled future principal payments [Abstract] |  |  |  |
Mortgages and notes payable, net | 69,524,000 | 69,473,000 |  |
Secured indebtedness [Member] | 4.60% (3.73% effective rate) mortgage loan due 2037 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Mortgages and notes payable, net | 124,474,000 | 127,540,000 |  |
Unamortized premium | 8,600,000 | 9,300,000 |  |
Scheduled future principal payments [Abstract] |  |  |  |
Mortgages and notes payable, net | 124,474,000 | 127,540,000 |  |
Unsecured indebtedness [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Mortgages and notes payable, net | 2,510,193,000 | 2,729,620,000 |  |
Scheduled future principal payments [Abstract] |  |  |  |
Mortgages and notes payable, net | 2,510,193,000 | 2,729,620,000 |  |
Unsecured indebtedness [Member] | 3.875% (4.038% effective rate) Notes due 2027 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Mortgages and notes payable, net | 298,734,000 | 298,334,000 |  |
Unamortized discount | 1,300,000 | 1,700,000 |  |
Scheduled future principal payments [Abstract] |  |  |  |
Mortgages and notes payable, net | 298,734,000 | 298,334,000 |  |
Unsecured indebtedness [Member] | 4.125% (4.271% effective rate) Notes due 2028 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Mortgages and notes payable, net | 348,276,000 | 347,863,000 |  |
Unamortized discount | 1,700,000 | 2,100,000 |  |
Scheduled future principal payments [Abstract] |  |  |  |
Mortgages and notes payable, net | 348,276,000 | 347,863,000 |  |
Unsecured indebtedness [Member] | 4.20% (4.234% effective rate) Notes due 2029 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Mortgages and notes payable, net | 349,484,000 | 349,386,000 |  |
Unamortized discount | 500,000 | 600,000 |  |
Scheduled future principal payments [Abstract] |  |  |  |
Mortgages and notes payable, net | 349,484,000 | 349,386,000 |  |
Unsecured indebtedness [Member] | 3.050% (3.079% effective rate) Notes due 2030 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Mortgages and notes payable, net | 399,400,000 | 399,302,000 |  |
Unamortized discount | 600,000 | 700,000 |  |
Scheduled future principal payments [Abstract] |  |  |  |
Mortgages and notes payable, net | 399,400,000 | 399,302,000 |  |
Unsecured indebtedness [Member] | 2.600% (2.645% effective rate) Notes due 2031 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Mortgages and notes payable, net | 398,892,000 | 398,735,000 |  |
Unamortized discount | 1,100,000 | 1,300,000 |  |
Scheduled future principal payments [Abstract] |  |  |  |
Mortgages and notes payable, net | 398,892,000 | 398,735,000 |  |
Unsecured indebtedness [Member] | 7.650% (7.836% effective rate) Notes due 2034 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Mortgages and notes payable, net | 345,407,000 | 0 |  |
Unamortized discount | 4,600,000 |  |  |
Scheduled future principal payments [Abstract] |  |  |  |
Mortgages and notes payable, net | 345,407,000 | 0 |  |
Unsecured indebtedness [Member] | Variable Rate Term Loan due 2026 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Mortgages and notes payable, net | $ 200,000,000 | 200,000,000 |  |
Effective interest rate (in hundredths) | 6.35% |  |  |
Scheduled future principal payments [Abstract] |  |  |  |
Mortgages and notes payable, net | $ 200,000,000 | 200,000,000 |  |
Unsecured indebtedness [Member] | Variable Rate Term Loan due 2027 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Mortgages and notes payable, net | $ 150,000,000 | 150,000,000 |  |
Effective interest rate (in hundredths) | 6.35% |  |  |
Scheduled future principal payments [Abstract] |  |  |  |
Mortgages and notes payable, net | $ 150,000,000 | 150,000,000 |  |
Unsecured indebtedness [Member] | Variable Rate Term Loan due 2024 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Mortgages and notes payable, net | $ 0 | 200,000,000 |  |
Effective interest rate (in hundredths) | 6.35% |  |  |
Scheduled future principal payments [Abstract] |  |  |  |
Mortgages and notes payable, net | $ 0 | 200,000,000 |  |
Unsecured indebtedness [Member] | Revolving Credit Facility [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Mortgages and notes payable, net | $ 20,000,000 | 386,000,000 |  |
Effective interest rate (in hundredths) | 6.25% |  |  |
Scheduled future principal payments [Abstract] |  |  |  |
Mortgages and notes payable, net | $ 20,000,000 | $ 386,000,000 |  |

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