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v3.23.3

Mortgages and Notes Payable (Details) | 3 Months Ended | 9 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Sep. 30, 2023 USD ($) | Mar. 31, 2023 USD ($) | Sep. 30, 2023 USD ($) extension | Oct. 17, 2023 USD ($) | Jun. 30, 2023 USD ($) | Dec. 31, 2022 USD ($)
Debt Instrument [Line Items] |  |  |  |  |  |
Mortgages and notes payable | $ 3,212,185,000 |  | $ 3,212,185,000 |  |  | $ 3,197,215,000
Unamortized debt issuance costs | $ (15,149,000) |  | (15,149,000) |  |  | (16,393,000)
Maximum liquidity requirements | 1 year |  |  |  |  |
Revolving Credit Facility [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Maximum borrowing capacity on credit facility |  |  |  |  | $ 750,000,000 |
Additional borrowing capacity on revolving credit facility | $ 200,000,000 |  | $ 200,000,000 |  |  |
Number of additional extensions | extension |  |  | 2 |  |  |
Term of optional extension |  |  | 6 months |  |  |
Temporary reduction in interest rate due to sustainability goals (in hundredths) |  |  | 0.01% |  |  |
Amount outstanding on revolving credit facility | 205,000,000 |  | $ 205,000,000 |  |  |
Outstanding letters of credit on revolving credit facility | 900,000 |  | 900,000 |  |  |
Unused borrowing capacity on revolving credit facility | 544,100,000 |  | $ 544,100,000 |  |  |
5.69% Mortgage Loan Due 2028 [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Principal amount of debt |  | $ 200,000,000 |  |  |  |
Term of debt instrument |  | 5 years |  |  |  |
Effective interest rate (in hundredths) |  | 5.69% |  |  |  |
Debt issuance costs |  | $ 1,300,000 |  |  |  |
Variable Rate Term Loan Due 2024 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Term of optional extension |  |  | 1 year |  |  |
Principal amount of debt | 200,000,000 |  | $ 200,000,000 |  |  |
Secured indebtedness [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Mortgages and notes payable | 677,839,000 |  | 677,839,000 |  |  | 483,988,000
Aggregate undepreciated book value of secured real estate assets | 1,170,700,000 |  | 1,170,700,000 |  |  |
Unsecured indebtedness [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Mortgages and notes payable | $ 2,549,495,000 |  | $ 2,549,495,000 |  |  | $ 2,729,620,000
Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Revolving Credit Facility [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Facility interest rate basis |  |  | SOFR |  |  |
Interest rate, basis spread (in hundredths) |  |  | 0.85% |  |  |
Annual facility fee (in hundredths) |  |  | 0.20% |  |  |
SOFR Related Spread Adjustment [Member] | Revolving Credit Facility [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Interest rate, basis spread (in hundredths) |  |  | 0.10% |  |  |
Subsequent Event [Member] | Revolving Credit Facility [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Amount outstanding on revolving credit facility |  |  |  | $ 205,000,000 |  |
Outstanding letters of credit on revolving credit facility |  |  |  | 900,000 |  |
Unused borrowing capacity on revolving credit facility |  |  |  | $ 544,100,000 |  |

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