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v3.20.1

Notes Payable (Summary Of Indebtedness) (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2020 | Dec. 31, 2019
Unsecured notes payable |  | $ 2,606,876 | $ 2,524,099
Total notes payable (1) |  | $ 2,606,900 | $ 2,524,100
Commercial Banks [Member] | 2.60% Term loan, due 2022 [Member] |  |  |
Debt Instrument, Maturity Date |  | Jan. 01, 2022 |
Notes payable, effective interest rate |  | 2.60% | 2.70%
Unsecured notes payable |  | $ 99,800 | $ 99,700
Commercial Banks [Member] | Unsecured 2.10% Floating Rate Debt [Member] |  |  |
Notes payable, effective interest rate |  | 2.10% |
Senior Unsecured Notes [Member] |  |  |
Unsecured notes payable | [1] | $ 2,381,100 | $ 2,380,400
Senior Unsecured Notes [Member] | 3.15% Notes Due 2022 [Member] |  |  |
Debt Instrument, Maturity Date |  | Dec. 15, 2022 |
Notes payable, effective interest rate |  | 3.15% | 3.15%
Unsecured notes payable |  | $ 348,100 | $ 348,000
Senior Unsecured Notes [Member] | 5.07% Notes Due 2023 [Member] |  |  |
Debt Instrument, Maturity Date |  | Jun. 15, 2023 |
Notes payable, effective interest rate |  | 5.07% | 5.07%
Unsecured notes payable |  | $ 248,600 | $ 248,400
Senior Unsecured Notes [Member] | 4.36% Notes Due 2024 [Member] |  |  |
Debt Instrument, Maturity Date |  | Jan. 15, 2024 |
Notes payable, effective interest rate |  | 4.36% | 4.36%
Unsecured notes payable |  | $ 249,000 | $ 249,000
Senior Unsecured Notes [Member] | 3.68% Notes Due 2024 [Member] |  |  |
Debt Instrument, Maturity Date |  | Sep. 15, 2024 |
Notes payable, effective interest rate |  | 3.68% | 3.68%
Unsecured notes payable |  | $ 248,100 | $ 248,000
Senior Unsecured Notes [Member] | 3.74% Notes Due 2028 [Member] |  |  |
Debt Instrument, Maturity Date |  | Oct. 15, 2028 |
Notes payable, effective interest rate |  | 3.74% | 3.74%
Unsecured notes payable |  | $ 396,900 | $ 396,700
Senior Unsecured Notes [Member] | 3.67% Notes Due 2029 [Member] |  |  |
Debt Instrument, Maturity Date |  | Jul. 01, 2029 |
Notes payable, effective interest rate |  | 3.67% | 3.67%
Unsecured notes payable |  | $ 593,800 | $ 593,700
Senior Unsecured Notes [Member] | 3.41% Notes Due 2049 [Member] |  |  |
Debt Instrument, Maturity Date |  | Nov. 01, 2049 |
Notes payable, effective interest rate |  | 3.41% | 3.41%
Unsecured notes payable |  | $ 296,600 | $ 296,600
Unsecured Credit Facility [Member] | Commercial Banks [Member] |  |  |
Unsecured notes payable |  | 126,000 | 44,000
Short-term Debt [Member] | Commercial Banks [Member] |  |  |
Unsecured notes payable |  | $ 225,800 | $ 143,700
[1] | Unamortized debt discounts and debt issuance costs of $19.1 million and $19.9 million are included in senior unsecured and secured notes payable as of March 31, 2020 and December 31, 2019, respectively.

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