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v3.6.0.2

Notes Payable (Summary Of Indebtedness) (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2016 | Dec. 31, 2015
Unsecured Debt | $ 1,583,236 | $ 1,824,930
Secured notes payable | 897,352 | 899,757
Total notes payable | 2,480,600 | 2,724,700
Value Of Real Estate Assets At Cost Subject To Secured Notes | 1,598,900 | 1,568,900
Commercial Banks [Member] |  |
Unsecured Debt | 0 | 244,000
Senior Unsecured Notes [Member] |  |
Unsecured Debt | 1,583,200 | 1,580,900
5.83% Notes Due 2017 | Senior Unsecured Notes [Member] |  |
Unsecured Debt | $ 246,600 | 246,300
Notes payable, effective interest rate | 5.83% |
Debt Instrument, Maturity Date | May 15, 2017 |
4.78% Notes Due 2021 | Senior Unsecured Notes [Member] |  |
Unsecured Debt | $ 248,400 | 248,000
Notes payable, effective interest rate | 4.78% |
Debt Instrument, Maturity Date | Jun. 15, 2021 |
3.15% Notes Due 2022 | Senior Unsecured Notes [Member] |  |
Unsecured Debt | $ 346,000 | 345,400
Notes payable, effective interest rate | 3.15% |
Debt Instrument, Maturity Date | Dec. 15, 2022 |
5.07% Notes Due 2023 | Senior Unsecured Notes [Member] |  |
Unsecured Debt | $ 247,200 | 246,800
Notes payable, effective interest rate | 5.07% |
Debt Instrument, Maturity Date | Jun. 15, 2023 |
4.36% Notes Due 2024 | Senior Unsecured Notes [Member] |  |
Unsecured Debt | $ 248,200 | 248,000
Notes payable, effective interest rate | 4.36% |
Debt Instrument, Maturity Date | Jan. 15, 2024 |
3.68% Notes Due 2024 | Senior Unsecured Notes [Member] |  |
Unsecured Debt | $ 246,800 | 246,400
Notes payable, effective interest rate | 3.68% |
Debt Instrument, Maturity Date | Sep. 15, 2024 |
Secured Notes 1.25% to 5.77% Conventional Mortgage Notes Due 2018 to 2045 [Member] [Member] | Secured Debt [Member] |  |
Secured notes payable | $ 866,700 | 867,400
Secured Notes 2.18% Floating Rate Tax Exempt Mortgage Note Due 2028 | Secured Debt [Member] |  |
Secured notes payable | $ 30,700 | 32,400
Notes payable, effective interest rate | 2.28% |
Debt Instrument, Maturity Date | Jun. 15, 2028 |
Secured Notes 1.25% Floating Rate [Member] | Secured Debt [Member] |  |
Secured notes payable | $ 175,000 | 175,000
Minimum [Member] | Secured Notes 1.25% to 5.77% Conventional Mortgage Notes Due 2018 to 2045 [Member] [Member] | Secured Debt [Member] |  |
Notes payable, effective interest rate | 1.25% |
Debt Instrument, Maturity Date | Oct. 01, 2018 |
Minimum [Member] | Secured Notes 1.25% Floating Rate [Member] | Secured Debt [Member] |  |
Notes payable, effective interest rate | 1.25% |
Maximum [Member] | Secured Notes 1.25% to 5.77% Conventional Mortgage Notes Due 2018 to 2045 [Member] [Member] | Secured Debt [Member] |  |
Notes payable, effective interest rate | 5.77% |
Debt Instrument, Maturity Date | Sep. 01, 2045 |
Short-term Debt [Member] | Commercial Banks [Member] |  |
Unsecured Debt | $ 0 | 19,000
Unsecured Credit Facility [Member] | Commercial Banks [Member] |  |
Unsecured Debt | $ 0 | $ 225,000

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